Couldnt agree more. I recommend diff gears as one of the very first mods to anyone who will listen (so not many) intakes, exhaust etc etc are great but none of them gives the very obvious improvements diff gears will/do give. Going from something like 3.08 to 3.73 or shorter or 3.45 to 4.11 or shorter makes a massive difference that everyone will feel after the change and is one of the biggest single improvements possible imo.
In my old BA NA XR6, 4.11 diff gears made it MUCH quicker off the line, added a 3000rpm hi-stall after that, it was good enough for it to run a 13.7 1/4 mile. If I were to do it again though I would go 3.9 gears as a good compromise between performance and everyday drivability.
Hey thanks mate! I ended up dipping into the 11's then called it a day, and with bo breakages 🙂 I got alot of love from so many awesome people yesterday. Great way to spend my 30th Birthday 😁
@@GapSauceRUclips hey mate, would love to buy a BA 260, can you share the mods list, and the tune? I know it’s been a long time, perfecting the art, but 260-290s are so much cheaper than everything else!
I did notice being a former xr8 260 owner' that the 5.4 is s little sluggish down low under 4k, So I think the short gearing would help this motor in particular.
@@GapSauceRUclips Totally if I had a FPV (BA MKii) like yours I would opt for the T56 6speed manual over the BTR 4 speed slushbox. Though I would strongly consider the ZF. 🖒
Another great video , albeit i found it later than the others . And an essential upgrade I'll be doing , 3.9 or 4.11 ... Not sure . But what i want to mention was the lightweight rear wheels you put on your car . That's exactly what I'm doing with my xr6 fgx , it came with 20's and they're heavy af ... Even putting konis on it didn't help much . So it's some motegi racing 18's I'm going for . Thanks again , looking forward to a better car to drive soon ... Not as quick as yours , but hey ... I haven't got that much spare money right now . All good , thanks again for your great videos 👍👍👍
Great video! I'll be changing the stock 2.53 gears in my BF Fairlane G8 (5.4L 3V SOHC Barra 230, ZF auto) to standard XR 2.73. This will give me a bit more boogie and stock XR freeway cruising revs. :) Can't wait!
Nice, the ZF v8s really do like the shorter rear end. If you can find a set of 3.23s, it's a big upgrade and you wint notice a difference in fuel economy. Even with 4.11s, I'm still able to see 11L/100km with the huge cams on the highway.
Fully agree with you. I bettered my PB by 0.15 when I went from a standard 2.73 diff in my ZF Auto Boss 290 with 288 rwkw to a 3.45 diff. I would like to try 3.75, I think that could be optimum for me but may never happen 😊??
Thats not a bad gain main especially for a gearbox that already has nice short gears. I've seen a few ZF guys with similar power and slicks make a few tenths up just from the swap before too.
@@GapSauceRUclips my new PB on the weekend at Springmount FNQ : 12.960 @108 MPH(weather conditions were perfect) Now have Mace 25% underdrive pulleys to go on for next meet, will keep you posted for any gain 😊
Hey man. The size issue isn’t so much actual tooth size. It mainly referring to the pinion gear. The longer the gear the bigger the pinion gear can be. The reduced thickness of the crown wheel isn’t as much a power handling problem. Also need to be making a heap of torque before it would became an issue anyway
Hey mate, I agree it's definitely not something I'm worried about. But it could definitely be an issue, I have actually torn a couple teeth of a crown wheel before in a formula v. Thanks for clarifying for everyone 🙂
Hey guys, I mentioned my T56 6th gear as .67(my memory failed me) ratio when in fact it is claimed to be .63. Although you should check with Ford as I've seen a few different claims now.
I learnt this when I hopped in a lazy Auto SS to a manual 3.7 HSV. And learnt more when 4.11 EVOs and other smaller cars seem to have more get up and go despite power disadvantage (taking into account obvious weight difference). 4.11 on the street, from street speeds is the go. Who cares if you’re car is geared to 270km/k lol
It really makes all the difference mate! Some of the older 4sp autos make huge gains with a gear swap. Bloody Evo's are hard to beat no matter what though 😅
Hi Gap Sauce. My 4.11's are coming soon along with an old SCT tuner. Only plans I have for the SCT are to input the new diff ratio, firm up the auto if I can and I am keen to advance the timing a bit to run 98. For some reason mine has always started, run and achieved better economy on E10/94 and that's measured closely over 45,000km. Doesn't like 98 but I am keen to change that. Any suggestions on how many degrees I can safely pull back? I am thinking 2 is conservative, 3 probly OK and 4 doable but starting to ask for trouble. Street only so sees WOT for a bout 1 second, 3 times, once a month! Cheers mate keep the vids on the GT coming. Love em. (BA GTP BTR Auto - CAI, headers, Xforce full system, intake pipe)
Hi mate, sounds like a good plan. If you want to be safe, add 2-3 degrees on 95 and if you don't see knock. Switch to 98, this will give you relative safety when a warm day comes around. The amount of timing it will take will vary with mods, but 2 degree's is pretty safe for most setups.
Awesome content 💪😎👍 Better ratios “yeah yeah yeah yada yada yada “ I call BS o’l mate You’re just showing of to the rest of us mortals How good you can shift 😂🤪💥🚀💪😎👍
Yeah I got 440rwhp but used to run 2.92 diff gears in the wagon, swapped to 3.73 gears and it really opened it up, but it did cost $1500 including the speedo recalibrated on DYNO tho
I guessed tyres. I'm still going with tyres as most important (and easily reversible) mod you can do. But diff ratios, yep, also good, especially with more modern cars and their economy focused diffs. Had 4.11 in my t56 LS1 commode. Could actually use 6th gear on hwy! Picked up 2 tenths going from 3.9 to 4.44 in my RX7 many, many years ago. Trap speed didn't change, as you'd expect. That depends on power/weight, and gears font change that. Keep up your vids, great content!
I won't argue with that mate, if you can't put the power down then there's no point in shorter gears 🙂 I used to run a mates 320rwkw LS1 at track days for testing and the difference between 3.73's and 4.11's was light and day. I love Rx7's, which series??
@@GapSauceRUclips S2. Old school. 12AT BP, T04 etc. Dug out a couple of videos of it in action from back in the day on my RUclips if you want some open gate ear bleed. It's for sale in QLD now actually. $35k. Make a purchase ...
Hi mate, I'd find out if they are DANA/Spicer units. I'm wary of foreign copies, they don't have same quality of metal. I have only ever used genuine gears.
@@GapSauceRUclips Hi l enjoy your segments, l have the 260kw auto & am ready to change the diff out to 4:11 from 3:45 or 3:46 ( l can't remember) is there a brand your happy with? My main concern is that it is NOT made in China
@@GapSauceRUclips sorry mate, I was tired when I wrote this. Do you go see a car tuner to change the gear ratio or do you do it by pulling apart the gearbox?
@@samthestoryman3757 oh okay, I get what you're saying. So changing the gear ratio of the rear differential is what I was referring to. Just take the diff out and swap the gears over.
@@GapSauceRUclips around the city it would sit between high 18's and 19, but it wouldnt drop below 18 even on highway driving, still waiting to get the car into a decent tuner to get a real number post mods
@@smithy2 Yeah might be worth looking into the fuel trims and and see what's going on, may have an o2 sensor fault because that isn't right on the highway, unless it's e85😅
@@GapSauceRUclips yeh na you can smell its rich as fuck now, but i did have a decent split in a valve, so that might explain why it was a bit high before, But funny you say o2, ive been thinking i need to replace them, but its definitely a shit tune too, i get engine lights and lose of throttle at start up almost ever start
@@smithy2 If there was a burned exhaust valve it would have been pumping fresh o2 right into those sensors and the fuel trims would have been dumping fuel in to compensate. If the revs hang to high on startup it will log a fault and you will need to restart the car too. Hopefully it gets sorted mate!
100% agreed. My ute is way better with 3.23 behind the zf over the factory 2.73. Better on fuel on freeway. The car sounds and feels like its where is should be at freeway cruise revs. Still need to hit heqthcote to seen the gain on the quarter to make it official but definitely feels stronger in acceleration. Cabin drone, well its actually better now with the diff gears. Due to sitting at 2k rpmthe drone has gone. Used to drone around 1600. 60kph driving i have to sports mode and leave in gear to avoid 5th and drone lol
I haven't looked into them myself I great detail but for someone who would like to gain another advantage with shift speed it appears to be a great option. 🙂
G'day. Ive done a couple of test n tune nights with my 6 speed auot bf gt. Best i got completely stock was 13.88. Now i have the bug and its tax time. When doing the change in diff gears to the 4.11.1 do you need to upgrade anything else to handle the extra torque that it gives in lower revs? Or is changing the diff gear ratio just applying the max torque at a shorter time?
That's decent for stock mate. No you can just install them, it actually allowed my factory clutch to hang on a little longer. It essentially just multiplies the torque to the wheels so yeas the CV and axles see a % increase know applied torque but they are fairly strong if you aren't clutch dumping and axle tramping around.
@@GapSauceRUclips Thanks, not too bad and I spose I could have just done the maths from the 3.45. Sounds like the next mod on the list for the xr8 along with a tru trac while it’s apart.
@@GapSauceRUclips just a N/A 6 litre auto, the cam thats in it the 2.92 made it feel sluggish even though it had 460rwhp, the 3.45 now puts it in the power band a lot earlier and pulls a lot header and faster
@@GapSauceRUclips cheers buddy, I need to see what she’ll on a 1/4 mile, I’m in the process of porting the throttle body and intake so that should make acceleration better again
@@Aidoz_Garage oh nice, I did a half shaft and knife edge on my stock 75mm t/b before I upgraded it too, although the tune did require touching up for it to idle properly. Definitely get thst badboy to the strip!
I recently installed a truetrac diff and upped the ratio from standard 3.23 to 3.7 but notice no difference other than the revs are higher and it’s slot louder when sitting on 100kmh.
You should have noticed a fair difference in torque. There's no getting past physics on that one. You'll usually see a big difference on the strip depending on what your setup is and what transmission.
@@GapSauceRUclips it’s probably the way I drive it too lol I’m a bit light with the pedal as I’ve got a manta exhaust & headers that’s quite loud so I tend to early shift to keep the revs down.
Man I went 3.45 to 4.11 6 speed and I can't get the thing under 17L per 100km now average Street driving. Before diff gears I could get it down to around 14.8L
Pushy as in you need a lot of brake to stop it rolling? They would have lifted the idle rpm for the cam, a larger stall converter would unload the driveline. I don't think think diff gears would hurt you, you could drop the rpm 50-100 at idle to help with that anyway.
@@GapSauceRUclips not a lot of brake needed but its definitely noticeable. I used pretty much the mildest cam from VCM (for LS). I was thinking of going from 2.92 to 3.27, but may as well look at the converter while im at it. $$$$
![YoungBoy Never Broke Again - Sneaking [Official Video]](http://i.ytimg.com/vi/1ILUps2zDFU/mqdefault.jpg)
Couldnt agree more. I recommend diff gears as one of the very first mods to anyone who will listen (so not many) intakes, exhaust etc etc are great but none of them gives the very obvious improvements diff gears will/do give. Going from something like 3.08 to 3.73 or shorter or 3.45 to 4.11 or shorter makes a massive difference that everyone will feel after the change and is one of the biggest single improvements possible imo.
Thanks for the input mate, there aren't alot of single mods that can gain you so much.. except perhaps nitrous 😅.
In my old BA NA XR6, 4.11 diff gears made it MUCH quicker off the line, added a 3000rpm hi-stall after that, it was good enough for it to run a 13.7 1/4 mile. If I were to do it again though I would go 3.9 gears as a good compromise between performance and everyday drivability.
Thanks for the input mate, that's very quick for an n/a 6. Do you remember the 60ft or mph?
@@GapSauceRUclips it was 13.75 @ 101.95
Video of it is here ruclips.net/video/6rIwftgesu8/видео.html
@@doogstar Awesome mate, well setup car!
Congrats on the run at all Ford day mate! 12.05 1/4, in an NA 8! You did well, and so many people were watching and recording you!
Hey thanks mate! I ended up dipping into the 11's then called it a day, and with bo breakages 🙂 I got alot of love from so many awesome people yesterday. Great way to spend my 30th Birthday 😁
@@GapSauceRUclips hey mate, would love to buy a BA 260, can you share the mods list, and the tune? I know it’s been a long time, perfecting the art, but 260-290s are so much cheaper than everything else!
@@rickmAussie exactly this I'm on the hunt then spoolin boost kit
I did notice being a former xr8 260 owner' that the 5.4 is s little sluggish down low under 4k, So I think the short gearing would help this motor in particular.
Definitely the biggest gain I made.
6:28 Absolutely love the shiftwork.
Thanks mate! The gearbox is a credit to me.
@@GapSauceRUclips Almost had me fooled that it was an auto. 😆
@@queenslandballistics2987 The greatest praise 🙌 I'd love an auto for the speed honestly, but banging gears is too much fun.
@@GapSauceRUclips Totally if I had a FPV (BA MKii) like yours I would opt for the T56 6speed manual over the BTR 4 speed slushbox. Though I would strongly consider the ZF. 🖒
@@queenslandballistics2987 I did like the zf in my BF turbo, nice box for daily driving, just didn't like big power.
Another great video , albeit i found it later than the others .
And an essential upgrade I'll be doing , 3.9 or 4.11 ... Not sure .
But what i want to mention was the lightweight rear wheels you put on your car .
That's exactly what I'm doing with my xr6 fgx , it came with 20's and they're heavy af ... Even putting konis on it didn't help much . So it's some motegi racing 18's I'm going for .
Thanks again , looking forward to a better car to drive soon ... Not as quick as yours , but hey ... I haven't got that much spare money right now . All good , thanks again for your great videos 👍👍👍
Thanks mate, glad you enjoyed it! Definitely worth the shorter gears and the lightweight wheels. These are just 7.2kg each! It all adds up 😁
Great video! I'll be changing the stock 2.53 gears in my BF Fairlane G8 (5.4L 3V SOHC Barra 230, ZF auto) to standard XR 2.73. This will give me a bit more boogie and stock XR freeway cruising revs. :) Can't wait!
Nice, the ZF v8s really do like the shorter rear end. If you can find a set of 3.23s, it's a big upgrade and you wint notice a difference in fuel economy. Even with 4.11s, I'm still able to see 11L/100km with the huge cams on the highway.
@GapSauceRUclips oh man. Don't tempt me! It's my daily, and I do lots of freeway driving.
@@lordhumungous7908 Trust in me 😉 haha
Fully agree with you.
I bettered my PB by 0.15 when I went from a standard 2.73 diff in my ZF Auto Boss 290 with 288 rwkw to a 3.45 diff.
I would like to try 3.75, I think that could be optimum for me but may never happen 😊??
Thats not a bad gain main especially for a gearbox that already has nice short gears. I've seen a few ZF guys with similar power and slicks make a few tenths up just from the swap before too.
@@GapSauceRUclips my new PB on the weekend at Springmount FNQ : 12.960 @108 MPH(weather conditions were perfect)
Now have Mace 25% underdrive pulleys to go on for next meet, will keep you posted for any gain 😊
@@tommyrowanracing Hell yeah, into the 12's mate! Awesome 🙂
Hey man. The size issue isn’t so much actual tooth size. It mainly referring to the pinion gear. The longer the gear the bigger the pinion gear can be. The reduced thickness of the crown wheel isn’t as much a power handling problem. Also need to be making a heap of torque before it would became an issue anyway
Hey mate, I agree it's definitely not something I'm worried about. But it could definitely be an issue, I have actually torn a couple teeth of a crown wheel before in a formula v. Thanks for clarifying for everyone 🙂
Hey guys,
I mentioned my T56 6th gear as .67(my memory failed me) ratio when in fact it is claimed to be .63. Although you should check with Ford as I've seen a few different claims now.
I learnt this when I hopped in a lazy Auto SS to a manual 3.7 HSV. And learnt more when 4.11 EVOs and other smaller cars seem to have more get up and go despite power disadvantage (taking into account obvious weight difference). 4.11 on the street, from street speeds is the go. Who cares if you’re car is geared to 270km/k lol
It really makes all the difference mate! Some of the older 4sp autos make huge gains with a gear swap. Bloody Evo's are hard to beat no matter what though 😅
Hi Gap Sauce. My 4.11's are coming soon along with an old SCT tuner. Only plans I have for the SCT are to input the new diff ratio, firm up the auto if I can and I am keen to advance the timing a bit to run 98. For some reason mine has always started, run and achieved better economy on E10/94 and that's measured closely over 45,000km. Doesn't like 98 but I am keen to change that. Any suggestions on how many degrees I can safely pull back? I am thinking 2 is conservative, 3 probly OK and 4 doable but starting to ask for trouble. Street only so sees WOT for a bout 1 second, 3 times, once a month! Cheers mate keep the vids on the GT coming. Love em. (BA GTP BTR Auto - CAI, headers, Xforce full system, intake pipe)
Hi mate, sounds like a good plan. If you want to be safe, add 2-3 degrees on 95 and if you don't see knock. Switch to 98, this will give you relative safety when a warm day comes around. The amount of timing it will take will vary with mods, but 2 degree's is pretty safe for most setups.
Awesome content 💪😎👍
Better ratios “yeah yeah yeah yada yada yada “
I call BS o’l mate
You’re just showing of to the rest of us mortals
How good you can shift
😂🤪💥🚀💪😎👍
Hahahaha, you foiled my whole plan 🤣 Thanks for watching mate 🙂
Yeah I got 440rwhp but used to run 2.92 diff gears in the wagon, swapped to 3.73 gears and it really opened it up, but it did cost $1500 including the speedo recalibrated on DYNO tho
Glad you made the right choice mate! They shouldn't have charged you for a speedo recalibration as the speed should be taken from the rear ABS 🤔
Yeah the cost was a bit steep for my liking but during covid I rolled with it hahaha
@@mickdejager3910 To be honest, I've seen shops quote $1600+ just to change then3 diff bushes so you aren't doing too bad there.
I guessed tyres. I'm still going with tyres as most important (and easily reversible) mod you can do. But diff ratios, yep, also good, especially with more modern cars and their economy focused diffs. Had 4.11 in my t56 LS1 commode. Could actually use 6th gear on hwy!
Picked up 2 tenths going from 3.9 to 4.44 in my RX7 many, many years ago. Trap speed didn't change, as you'd expect. That depends on power/weight, and gears font change that.
Keep up your vids, great content!
I won't argue with that mate, if you can't put the power down then there's no point in shorter gears 🙂
I used to run a mates 320rwkw LS1 at track days for testing and the difference between 3.73's and 4.11's was light and day.
I love Rx7's, which series??
@@GapSauceRUclips S2. Old school. 12AT BP, T04 etc. Dug out a couple of videos of it in action from back in the day on my RUclips if you want some open gate ear bleed. It's for sale in QLD now actually. $35k. Make a purchase ...
@@200mphgt40 Ooh, I just had a look, I have a soft spot for the old S1-2's. Honestly 35k isn't bad money for it either! Killer driving too 🙂
Hi mate love your car goes and sounds wicked! Do you know if motive diff gears from eBay are any good?
Hi mate, I'd find out if they are DANA/Spicer units. I'm wary of foreign copies, they don't have same quality of metal. I have only ever used genuine gears.
Next time you need a set of 4.11's hit me up mate! I know a guy 😜
I am on my second set, hopefully don't need another haha.
@@GapSauceRUclips Hi l enjoy your segments, l have the 260kw auto & am ready to change the diff out to 4:11 from 3:45 or 3:46 ( l can't remember) is there a brand your happy with? My main concern is that it is NOT made in China
PONOR84: Am looking for 4:11 gears for XR8 2004 BA if u can help.
Nice vid man,
Is a tuning job or pulling your gearbox out and changing a few things?
Thanks mate, I'm probably reading it wrong but I'm not sure what the question is exactly? 🙂
@@GapSauceRUclips sorry mate, I was tired when I wrote this.
Do you go see a car tuner to change the gear ratio or do you do it by pulling apart the gearbox?
@@samthestoryman3757 oh okay, I get what you're saying. So changing the gear ratio of the rear differential is what I was referring to. Just take the diff out and swap the gears over.
Great info, definitely have to do my dif...
10lt / 100 😮 , before i fixed my engine mine was at lowest 18lt/ 100, its higher now after mods
18L/100km on the highway? 😳 Mine was around 16-17 around town.
@@GapSauceRUclips around the city it would sit between high 18's and 19, but it wouldnt drop below 18 even on highway driving, still waiting to get the car into a decent tuner to get a real number post mods
@@smithy2 Yeah might be worth looking into the fuel trims and and see what's going on, may have an o2 sensor fault because that isn't right on the highway, unless it's e85😅
@@GapSauceRUclips yeh na you can smell its rich as fuck now, but i did have a decent split in a valve, so that might explain why it was a bit high before,
But funny you say o2, ive been thinking i need to replace them, but its definitely a shit tune too, i get engine lights and lose of throttle at start up almost ever start
@@smithy2 If there was a burned exhaust valve it would have been pumping fresh o2 right into those sensors and the fuel trims would have been dumping fuel in to compensate. If the revs hang to high on startup it will log a fault and you will need to restart the car too. Hopefully it gets sorted mate!
100% agreed. My ute is way better with 3.23 behind the zf over the factory 2.73. Better on fuel on freeway. The car sounds and feels like its where is should be at freeway cruise revs.
Still need to hit heqthcote to seen the gain on the quarter to make it official but definitely feels stronger in acceleration.
Cabin drone, well its actually better now with the diff gears. Due to sitting at 2k rpmthe drone has gone. Used to drone around 1600. 60kph driving i have to sports mode and leave in gear to avoid 5th and drone lol
Thats great to hear about the drone Dan! I've seen a few guys make nice gains with ZF diff gear swaps now, especially when you bolt those slicks on!
@@GapSauceRUclips definitely mate. Should be going soon i reckon. Be interesting if stock convertor holds up as its acting up lol
@@koontproductions perfect way to test it, hopefully it slips a little more and you launch harder haha
@@GapSauceRUclips thats what im hopin mate. She was slipping to 4k 2 days ago lol.
@@koontproductions Oh dang 🤣 perfect excuse for a legit 4k haha
Would you potentially use a S1 sequential shifter to speed up your gear changes even more?
I haven't looked into them myself I great detail but for someone who would like to gain another advantage with shift speed it appears to be a great option. 🙂
Would you recommend the 4.11 for the 3v g220 as it has really good low down torque
Definitely, I have ordered some for my 4sp AU xr8 5.0 too.
G'day. Ive done a couple of test n tune nights with my 6 speed auot bf gt. Best i got completely stock was 13.88. Now i have the bug and its tax time. When doing the change in diff gears to the 4.11.1 do you need to upgrade anything else to handle the extra torque that it gives in lower revs? Or is changing the diff gear ratio just applying the max torque at a shorter time?
That's decent for stock mate.
No you can just install them, it actually allowed my factory clutch to hang on a little longer. It essentially just multiplies the torque to the wheels so yeas the CV and axles see a % increase know applied torque but they are fairly strong if you aren't clutch dumping and axle tramping around.
What RPM do you end up at sitting on 100(ish) on the highway? Still can't decide if I want these in the XR8 or just be happy as it is.
From memory it's only around 2200, economy didn't change on the highway, still in the 10's. 12's with cams
@@GapSauceRUclips Thanks, not too bad and I spose I could have just done the maths from the 3.45. Sounds like the next mod on the list for the xr8 along with a tru trac while it’s apart.
@@phild1031 It's pricey, but the car feels so much better to drive and alot quicker!
@@GapSauceRUclips Does your have a quick shifter of some sort or is that all skill?
are you able to change diff gears on p's? Ik it doesn't change the output of the engine so it should be ok but just thought you might know something.
Depends on the state regs, but nobody will know buy you and the guy you gapped 😉
Hey mate just a quick one. What revs does it sit at while going 100km/h
2200ish from memory, feels the same as stock on the highway and doesn't use any extra fuel.
Going to 3.45 from 2.92 was the best mod I did
Nice mate, what is your setup? For boosted applications or anything with enough power to spin tyres a longer ratio can be beneficial.
@@GapSauceRUclips just a N/A 6 litre auto, the cam thats in it the 2.92 made it feel sluggish even though it had 460rwhp, the 3.45 now puts it in the power band a lot earlier and pulls a lot header and faster
@@Aidoz_Garage oh sorry mate, I read thst backwards as if you now have 2.92's 😅 That would have been a big upgrade then! 460hp is real decent!
@@GapSauceRUclips cheers buddy, I need to see what she’ll on a 1/4 mile, I’m in the process of porting the throttle body and intake so that should make acceleration better again
@@Aidoz_Garage oh nice, I did a half shaft and knife edge on my stock 75mm t/b before I upgraded it too, although the tune did require touching up for it to idle properly. Definitely get thst badboy to the strip!
You officially have australia's fastest boat anchor. ;)
It makes the ls3 laps so much sweeter 😉
I recently installed a truetrac diff and upped the ratio from standard 3.23 to 3.7 but notice no difference other than the revs are higher and it’s slot louder when sitting on 100kmh.
You should have noticed a fair difference in torque. There's no getting past physics on that one. You'll usually see a big difference on the strip depending on what your setup is and what transmission.
@@GapSauceRUclips it’s probably the way I drive it too lol I’m a bit light with the pedal as I’ve got a manta exhaust & headers that’s quite loud so I tend to early shift to keep the revs down.
Man I went 3.45 to 4.11 6 speed and I can't get the thing under 17L per 100km now average Street driving.
Before diff gears I could get it down to around 14.8L
I feel like there's something else going on? Mine was probably better if anything. Maybe check fuel trims with a WiFi OBD2 plugin app 🙂
I have a auto with a mild cam and standard stall. Would diff gears make it more undrivable? Its already slighlty pushy.
Pushy as in you need a lot of brake to stop it rolling? They would have lifted the idle rpm for the cam, a larger stall converter would unload the driveline. I don't think think diff gears would hurt you, you could drop the rpm 50-100 at idle to help with that anyway.
@@GapSauceRUclips not a lot of brake needed but its definitely noticeable. I used pretty much the mildest cam from VCM (for LS). I was thinking of going from 2.92 to 3.27, but may as well look at the converter while im at it. $$$$
@@3lohssvrm I think if you change the diff ratio, go at least 3.45s. I think every auto needs more converter haha
Saw this dude race to at Willowbank
I had an awesome day out there yesterday 🙂
You really know you have a long diff ratio when you can hit 90 kph in 1st. Good old 4sp auto AU XR8.
I have a 4sp 02 Xr8 ute, I know what you mean haha
Spitting truths mate
I try my best to be equitable, there are some good opinions in here 🙂
Nice to have met you at the servo this morning mate. Look me up on Facebook
Cheers, mate same to you! We will have to see that ute of yours out there next time! 🙂
Like your videos but the music in the background might need a up grade
Thanks for the advice mate, and thanks for watching 🙂
how expensive are 3.9 or 4.11 diff gears?
From memory mine were $450 🙂
@@GapSauceRUclips I'll be doing that to mine with the diff hat upgrade
@@tturi2 It's worth it, although yours is boosted isn't it? Might not need 4.11's 😅 Are you keeping the charger?
@@GapSauceRUclips nah I sold the charger to pay for my engine rebuild staying NA now, a bit sore from an oil seal blowing still haha
@@tturi2 oh damn, you think it was tensioner seal that caused the low pil pressure?