Boost is a measure of restriction, and doesn't necessarily indicate an increase in horsepower. If nothing changed but the cam, and it is showing more manifold pressure at the same RPM, then logic would state that it is not capable of moving as much air as it was with the previous cam. Turbo boost logic doesn't work with centrifugal superchargers.
@@nufnuffz28I’m a bit late to the party, however your answer is that you swapped an NA cam for a blower cam..the blower is still moving the same amount of cfm. NA cams have a shitload of overlap to help evacuate the cylinder by scavenging, etc. Boost cams typically don’t have much overlap and don’t give a shit about high rpm scavenging because they are force fed a fresh charge. The reason the NA cam was showing lower boost and making less power is a decent portion of the charge was being lost in overlap. Essentially letting the blower just blow right through the exhaust. Not going to check out the cams specs, but I think my old cam was similar to the btr stage 3 na cams for my motor so I’ll assume it’s relatively the same across this platform as well. My old NA cam had 17.5 degrees of overlap, the blower cam probably has 5 or so degrees of overlap. It’s more “restrictive” in a sense it isn’t letting half the air go unrestricted right out the exhaust which is why the boost is higher. The new cam is making more use of your blower. The blower cam is without a doubt making more power EVERYWHERE under the curve as well and increasing the efficiency of each Otto cycle. Plus I bet it drives way easier lmao. That tune probably needed more fuel everywhere, especially in lower rpm areas, in the VE tables since the cam was more efficient…Or MAF curve I guess but I’d imagine it’s on a 2 bar OS and has maxed that MAF sensor garbage out lol. Anyway, love the channel with all the dynos. Subscribed!
Nice video, I would be interested on seeing the follow-up is there one? A cam swap with parts and labor is easily another $1500, if it's only boost you gain, wouldn't it be cheaper just to keep the na Cam and drop a $50 pulley?
Boost on a supercharger is a measurement of intake tract backpressure. What matters is HOW MUCH POWER DID IT PRODUCE? If you put in a set of long-tube headers, considering your blower is NOT CHANGING SPEED compared to the old exhaust manifolds, you will see a drop in intake tract backpressure, which some read as "less boost." Get scientific and do some mass airflow readings to see which engine is actually gobbling more fresh air. But, with enough overlap, you can just be discarding boost down the header tubes. You have to use a dyno to quantify the reality of your situation. A supercharged engine needs long-tube headers of larger pipe diameter than the same engine naturally-aspirated. Blower cams usually use more duration and/or lift on the exhaust compared to an N/A cam, because since the blower speed does not vary per RPM, you are now exaggerating the intake while leaving the exhaust un-boosted in its ability to scavenge, so the Hellcat, for example, from the factory, just uses more exhaust valve timing than the same-exhaust-manifold-engine 392 does.
We have all the MAF data as well. This was a very non scientific comparison of boost levels for the 2 different cams, but no matter the cam design 2 psi would make more power than 2 psi less 99/100 times. As you said, headers will lower your boost/backpressure, but power will increase. Dyno numbers don't mean much though(and we have a dyno), but the car went faster at the track and thats what matters unless you live on RUclips or dynos!
I've almost got my self talked into picking a tourqe storm blower up. I'm in the process of putting my 77 Nova back together it hasn't moved under its own power since 2012 it was my first LS swap I did way back in 2011 when I was 21 it got a 4.8 with like 26,000 miles a very budget hot side with truck manifolds very simple kit a used cast s475 it was a t4 so the exhaust housing wasn't very big can't remember the a/r the cold side and intercooler was from eBay I think it was held together with just silicone couplers. I ended up just putting a used ls6 cam and pac springs in the motor, a basically stock th400 with a manual valve body and a cheap jegs converter that was actually pretty good for that combo especially for 300 bucks it was a fun little setup but the car needed quite a bit of suspension and chassis love all I really done was weld the 10 bolt new leafsping hardware and some summit brand traction bars and 90/10 front and 50/50 summit shocks some old prostars I painted gloss black 15x4 and 15x8's with 26x8.5 Hoosiers I think the fastest it went was a 6.82 at 106mph food breaking it that was pretty damn quick back then and it was pretty scary to drive and didn't stop very fast with the old disc brakes up front and drums out back and alot of stock stuff that had over 300,000 miles on it my pawpaw bought it new and dailied it until 2006 but I got my 4th gen Camaro and robbed everything from the Nova and put it on blocks and threw a tarp on it untill 2020 I've been wanting to build a badass strip/street setup with it for years but so far now it's got Calvert leaf springs and caltracs a custom anti roll bar setup my local chassis shop built, subframe connectors and a nice 6 point cage, tubular upper lower control arms TRZ spindles and used strange springs and disc brakes TRZ rack and pinion,used strange double adjustable's front and rear, I cleaned up the stock 8.5 10 bolt welded the axle tubes I ended up going with strange's rebuild kit 33 spline axles 4.10 gear and painted everything I could rattle can black under the car to hide rust and make it pretty lol I took it to Maco and had them sand it and Bondo the only small hole in the body on the bottom of the rear fender And hit it with a couple of coats of gray primer (it's been primer gray since I was a kid) I had to beat the shit out of the inner fenders and rolled to get a 10" wide wheel I could put 28x10.5s on it with a little more hammering but it's got 27x9 Hoosiers on black VMS star wheels and 18x5 VMS stars up front. I've finally got it looking and sitting how I've wanted for years! It's got a gen 4 4.8 on a Holley terminator with a TBSS intake amazon/ebay 90mm throttle body cheap rails and bosh 210# injectors it's got some 706's that sombody sent to PRC to get CNC'ed before they where mine and a really old TSP MS4 I found to at least make it sound good until It gets some form of boost lol it's got my back up th400 from the race car manual valve body and fti pro trans brake with a unknown tci converter. But I've been driving my self crazy on deciding if I want a basic simple turbo kit with a air to water intercooler and billet wheel s475 with a 1.15 exhaust housing that I already have or the tourqe storm blower But I've never owned a blower, I'm not trying to make 1000hp Maybe 750 max since I plan on racing quite a bit I'm gonna run pump gas or e85 but since I got enough fuel pump and 210# injectors I'm gonna run it on alcohol when it's party time I'm pretty sure my pump and the 210's can support around 800-850 on m1. But I've made my mind up I'm going with the blower I didn't know tourqe storms where that loud and so badass plus I like a rowdy ass idle and the BTR cams always make make power I think I'll probably go with the stage 2 blower cam I don't plan on turning this one much past 7000rpm maybe 73 or 7400 max
So I’ve got a custom 6.2 -11cc pistons with 243 heads and the btr ls3 na cam. Just got my torqstorm delivered yesterday with the 3.1” pulley. Hope I make good power. Boost psi idc about 2psi or 200psi. I just want to make 550 wheel
This car was bought this way. I think the TorqueStorm is an affordable option that will make decent power. If you have larger goals I'd go LSA or Procharger. This car is getting a turbo soon.
But the las isnt that choppy its a 115 +5 this cam is not as good as the sum8708r1 cam which is 600 lift both sides a better chop and 7000 plus rpm with a lsa of 113 which is a rightous chop
Lifters would support it. BUT the big stick is a High RPM cam and the whipple is going to make tons of torque. Would probably not work out too well, but would sound nasty!
@@nufnuffz28 honestly how did it run with the big na btr cam? Did it still make good power? Still idle well? Leak much boost? I've got 238 242@112 cam Im to scared to use the centrifugal supercharger ,so may have to wait till pull apart again use a c's cam,but could it work centrifugal supercharger cam
@@BobbyBrown-sl7zp Any cam is a boost cam, so you can certainly run the BTR cam in it at all times. If I were you I'd get their new Redhot cam. It is a monster NA(check our other builds) and works well with boost!
I was looking for a video like this. I have a 6.0 with a lsa blower. Stage 2 ls3 cam NA. I was wondering if it would be worth installing a cam made for a supercharger.
@@th3lunchb0x thanks for the replay. I was having issues with my 4l80e stalling in reverse and at idle. I took my truck to a local mechanic and he told me my issue was my n/a cam. I ended up doing some research,and changed the pressure regulating valve in the tranny, and my issue with stalling was solved.
@@koolairbros7358 Your cam specs would have to be jacked to cause those issues, but the thing I would suspect would have been the tune first. Glad it was something completely unrelated. If you haven't checked out Richard Holdener's videos, I would look him up. Lots of awesome information from back to back dyno testes.
In the video I said fully built RCR trans, 3DP triple disk lock up stall. Engine has the supporting mods like springs, oil pump, headers, etc. Not sure on the internals as it was bought as is. (Iron 6.0)
@@nufnuffz28 yes! I couldn't remember if I did or not on one of your videos and commented again. I'll be in contact soon to get one ordered from you. Thank you again
This is a btr ls3 centrifugal cam or the BTR stage 2 centrifugal cam? I’ve got a 6.0 with 243 heads going on with a 3.1 torqstorm and I have the btr3 na cam but gonna swap
These blowers aren't made to make HUGE power. This car makes 5 psi at 5k if I remember. It's a decent entry level blower, but for big power it's not the best choice. We have worked on/with 4 or so of these so far. Since this is our customers car and he bought it this way, we are going to see how fast we can make this thing before pulling it off for a turbo. I think the fastest Torquestorm has only been 6.87 in the 1/8, so maybe we can top that. We have a few tricks up our sleeve, so hopefully we will see more power and boost...
![ARGENTINA vs. CHILE [3-0] | RESUMEN | ELIMINATORIAS SUDAMERICANAS | FECHA 7](http://i.ytimg.com/vi/De3AWmXzhuA/mqdefault.jpg)
Boost is a measure of restriction, and doesn't necessarily indicate an increase in horsepower. If nothing changed but the cam, and it is showing more manifold pressure at the same RPM, then logic would state that it is not capable of moving as much air as it was with the previous cam. Turbo boost logic doesn't work with centrifugal superchargers.
Understand all of this, but it also went faster at the track?!
@@nufnuffz28 interesting. Maybe the new cam is making more average power?
@@BigMikesGarage we are assuming that as well. We test woth this car wvery mow and then still
@@nufnuffz28I’m a bit late to the party, however your answer is that you swapped an NA cam for a blower cam..the blower is still moving the same amount of cfm. NA cams have a shitload of overlap to help evacuate the cylinder by scavenging, etc. Boost cams typically don’t have much overlap and don’t give a shit about high rpm scavenging because they are force fed a fresh charge. The reason the NA cam was showing lower boost and making less power is a decent portion of the charge was being lost in overlap. Essentially letting the blower just blow right through the exhaust. Not going to check out the cams specs, but I think my old cam was similar to the btr stage 3 na cams for my motor so I’ll assume it’s relatively the same across this platform as well. My old NA cam had 17.5 degrees of overlap, the blower cam probably has 5 or so degrees of overlap. It’s more “restrictive” in a sense it isn’t letting half the air go unrestricted right out the exhaust which is why the boost is higher. The new cam is making more use of your blower. The blower cam is without a doubt making more power EVERYWHERE under the curve as well and increasing the efficiency of each Otto cycle. Plus I bet it drives way easier lmao. That tune probably needed more fuel everywhere, especially in lower rpm areas, in the VE tables since the cam was more efficient…Or MAF curve I guess but I’d imagine it’s on a 2 bar OS and has maxed that MAF sensor garbage out lol. Anyway, love the channel with all the dynos. Subscribed!
Wow. I wasn’t expecting that supercharger sound. Thanks for sharing.
Great sounding blower!
Nice video, I would be interested on seeing the follow-up is there one? A cam swap with parts and labor is easily another $1500, if it's only boost you gain, wouldn't it be cheaper just to keep the na Cam and drop a $50 pulley?
Sure, but torqstorms won't take anymore pulley, so if you have one you gotta do all you can to maximize the boost in this case.
Yeah they are small, thanks!
Boost on a supercharger is a measurement of intake tract backpressure. What matters is HOW MUCH POWER DID IT PRODUCE?
If you put in a set of long-tube headers, considering your blower is NOT CHANGING SPEED compared to the old exhaust manifolds, you will see a drop in intake tract backpressure, which some read as "less boost."
Get scientific and do some mass airflow readings to see which engine is actually gobbling more fresh air.
But, with enough overlap, you can just be discarding boost down the header tubes.
You have to use a dyno to quantify the reality of your situation.
A supercharged engine needs long-tube headers of larger pipe diameter than the same engine naturally-aspirated.
Blower cams usually use more duration and/or lift on the exhaust compared to an N/A cam, because since the blower speed does not vary per RPM, you are now exaggerating the intake while leaving the exhaust un-boosted in its ability to scavenge, so the Hellcat, for example, from the factory, just uses more exhaust valve timing than the same-exhaust-manifold-engine 392 does.
We have all the MAF data as well. This was a very non scientific comparison of boost levels for the 2 different cams, but no matter the cam design 2 psi would make more power than 2 psi less 99/100 times.
As you said, headers will lower your boost/backpressure, but power will increase.
Dyno numbers don't mean much though(and we have a dyno), but the car went faster at the track and thats what matters unless you live on RUclips or dynos!
I've almost got my self talked into picking a tourqe storm blower up. I'm in the process of putting my 77 Nova back together it hasn't moved under its own power since 2012 it was my first LS swap I did way back in 2011 when I was 21 it got a 4.8 with like 26,000 miles a very budget hot side with truck manifolds very simple kit a used cast s475 it was a t4 so the exhaust housing wasn't very big can't remember the a/r the cold side and intercooler was from eBay I think it was held together with just silicone couplers. I ended up just putting a used ls6 cam and pac springs in the motor, a basically stock th400 with a manual valve body and a cheap jegs converter that was actually pretty good for that combo especially for 300 bucks it was a fun little setup but the car needed quite a bit of suspension and chassis love all I really done was weld the 10 bolt new leafsping hardware and some summit brand traction bars and 90/10 front and 50/50 summit shocks some old prostars I painted gloss black 15x4 and 15x8's with 26x8.5 Hoosiers I think the fastest it went was a 6.82 at 106mph food breaking it that was pretty damn quick back then and it was pretty scary to drive and didn't stop very fast with the old disc brakes up front and drums out back and alot of stock stuff that had over 300,000 miles on it my pawpaw bought it new and dailied it until 2006 but I got my 4th gen Camaro and robbed everything from the Nova and put it on blocks and threw a tarp on it untill 2020 I've been wanting to build a badass strip/street setup with it for years but so far now it's got Calvert leaf springs and caltracs a custom anti roll bar setup my local chassis shop built, subframe connectors and a nice 6 point cage, tubular upper lower control arms TRZ spindles and used strange springs and disc brakes TRZ rack and pinion,used strange double adjustable's front and rear, I cleaned up the stock 8.5 10 bolt welded the axle tubes I ended up going with strange's rebuild kit 33 spline axles 4.10 gear and painted everything I could rattle can black under the car to hide rust and make it pretty lol I took it to Maco and had them sand it and Bondo the only small hole in the body on the bottom of the rear fender And hit it with a couple of coats of gray primer (it's been primer gray since I was a kid) I had to beat the shit out of the inner fenders and rolled to get a 10" wide wheel I could put 28x10.5s on it with a little more hammering but it's got 27x9 Hoosiers on black VMS star wheels and 18x5 VMS stars up front. I've finally got it looking and sitting how I've wanted for years! It's got a gen 4 4.8 on a Holley terminator with a TBSS intake amazon/ebay 90mm throttle body cheap rails and bosh 210# injectors it's got some 706's that sombody sent to PRC to get CNC'ed before they where mine and a really old TSP MS4 I found to at least make it sound good until It gets some form of boost lol it's got my back up th400 from the race car manual valve body and fti pro trans brake with a unknown tci converter. But I've been driving my self crazy on deciding if I want a basic simple turbo kit with a air to water intercooler and billet wheel s475 with a 1.15 exhaust housing that I already have or the tourqe storm blower But I've never owned a blower, I'm not trying to make 1000hp Maybe 750 max since I plan on racing quite a bit I'm gonna run pump gas or e85 but since I got enough fuel pump and 210# injectors I'm gonna run it on alcohol when it's party time I'm pretty sure my pump and the 210's can support around 800-850 on m1. But I've made my mind up I'm going with the blower I didn't know tourqe storms where that loud and so badass plus I like a rowdy ass idle and the BTR cams always make make power I think I'll probably go with the stage 2 blower cam I don't plan on turning this one much past 7000rpm maybe 73 or 7400 max
There are more efficiant blowers out there for just a little more money.
@@angelo_giachetti such as?
Great video. Nice to see real world data
So I’ve got a custom 6.2 -11cc pistons with 243 heads and the btr ls3 na cam. Just got my torqstorm delivered yesterday with the 3.1” pulley. Hope I make good power. Boost psi idc about 2psi or 200psi. I just want to make 550 wheel
Good luck!
@@nufnuffz28I’ll definitely be posting about it on every platform
Nice vid. Why go with a TorqueStorm over a LSA blower?
This car was bought this way. I think the TorqueStorm is an affordable option that will make decent power. If you have larger goals I'd go LSA or Procharger. This car is getting a turbo soon.
But the las isnt that choppy its a 115 +5 this cam is not as good as the sum8708r1 cam which is 600 lift both sides a better chop and 7000 plus rpm with a lsa of 113 which is a rightous chop
True. More than one way to skin a cat for sure
Weird. I'm making 10psi at 60k on stock 5.3 silverado. But I'm looking into that btr cam set up.
I like the new BTR cams. Id not switch though unless you need to
@@nufnuffz28 i want to do dod delete and add that centrifugal supercharger cam
@@lylegoodluck if you have a stock cam, yes I'd look at the 5.3 SC cams and ask fhem what they would use.
Iv a ls3 in a Uk g8 with a btr stage 2 pd cam. I make 9.3lbs of boost
Right in line with this one
The black one?
@@JosephNnbs yes mate, the black one lol
What about the big stick cam with a Whipple? Just from ur perspective and everything you've done with 6.0 liters
Lifters would support it. BUT the big stick is a High RPM cam and the whipple is going to make tons of torque. Would probably not work out too well, but would sound nasty!
Well if I end up going to a Whipple somewhere down the road I might have to do a cam swap
@@robinwendt5527 looking at cams now 2010 ss whipple fbo. Power virus 🦠 is real.
The cam is whatever he wants it to be.
Boost always helps!
Abs, and Brake lights how do you get them of and what cause them to come on cause I have the same thing in my g8
Different size front/rear tires on this car.
Got a Vortech Supercharger camaro ls3 debating the btr centrifugal supercharger cam or btr stage 3? What do you recommend
centri cam for sure. It chops hard as seen here. It had the BTR NA 3 and picked up 2 psi by swapping the cam alone
@@nufnuffz28 nice brother I ended up going with that btr centrifugal cam. Appreciate the feedback bro
@@nufnuffz28 honestly how did it run with the big na btr cam? Did it still make good power? Still idle well? Leak much boost? I've got 238 242@112 cam Im to scared to use the centrifugal supercharger ,so may have to wait till pull apart again use a c's cam,but could it work centrifugal supercharger cam
@@BobbyBrown-sl7zp Any cam is a boost cam, so you can certainly run the BTR cam in it at all times. If I were you I'd get their new Redhot cam. It is a monster NA(check our other builds) and works well with boost!
I was looking for a video like this. I have a 6.0 with a lsa blower. Stage 2 ls3 cam NA. I was wondering if it would be worth installing a cam made for a supercharger.
Debatable....
No. There is no such thing as a "supercharger cam." The best cam for boost is the best cam for N/A. Keep the cam you got.
@@th3lunchb0x thanks for the replay. I was having issues with my 4l80e stalling in reverse and at idle. I took my truck to a local mechanic and he told me my issue was my n/a cam. I ended up doing some research,and changed the pressure regulating valve in the tranny, and my issue with stalling was solved.
@@koolairbros7358 Your cam specs would have to be jacked to cause those issues, but the thing I would suspect would have been the tune first. Glad it was something completely unrelated. If you haven't checked out Richard Holdener's videos, I would look him up. Lots of awesome information from back to back dyno testes.
What size injectors did you guys use ? And what fuel pump ?
85 lb injectors. ZL1 pump and a boostapump
Anything done to engine besides cam? Stock trans?
In the video I said fully built RCR trans, 3DP triple disk lock up stall. Engine has the supporting mods like springs, oil pump, headers, etc. Not sure on the internals as it was bought as is. (Iron 6.0)
What adaptor did you use to install the griptec pulley to the torqstorm?
Replied already, correct?
@@nufnuffz28 yes! I couldn't remember if I did or not on one of your videos and commented again. I'll be in contact soon to get one ordered from you. Thank you again
This is a btr ls3 centrifugal cam or the BTR stage 2 centrifugal cam? I’ve got a 6.0 with 243 heads going on with a 3.1 torqstorm and I have the btr3 na cam but gonna swap
They only had one then... btr centrifugal cam. Now they have the redhot
What was the power figure over the old cam? Was it just boost increase or more power too
Ran 2/10 faster. No dyno #s
Baddass car
New sub, like your content you in NC?
Thank you very much. Yes, we are in NC
Did he sell the torqstorm unit yet?
No. Going to try for mid 10s first
Nice commodore
Thanks
why are those blowers so weak? all you can get out of it was 9lbs psi on the smallest pulley ? i bet its like 3psi at 5k rpm, weak
My car makes 725whp at 9#. Boost is nothing. Its efficiency.
Lol no it doesn’t, not with a accurate dyno anyways. Not with that setup
Thing probably traps 125 which is more more like 590 wheel
These blowers aren't made to make HUGE power. This car makes 5 psi at 5k if I remember. It's a decent entry level blower, but for big power it's not the best choice. We have worked on/with 4 or so of these so far. Since this is our customers car and he bought it this way, we are going to see how fast we can make this thing before pulling it off for a turbo. I think the fastest Torquestorm has only been 6.87 in the 1/8, so maybe we can top that. We have a few tricks up our sleeve, so hopefully we will see more power and boost...
@@Dave_Bee ruclips.net/video/9xmxdbXxevQ/видео.html
@@nufnuffz28 actually Torqstorms new racecar is running in the 5's in the 1/8th. 8.50's in the quarter.