331 Cu. In H/C/I Fox Body Mustang Dyno | How Much HP?
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- Опубликовано: 6 авг 2024
- Follow along as Landan dynos our 1993 Race Fox!
This particular Fox has a 331 Cu. In H/C/I and a ton of modifications! If you'd like to learn more about this build, click the article link! | latemodelres.to/RaceFoxDyno_A...
Fox Body Engine Parts: latemodelres.to/FoxEngineParts
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If you could build a Fox Body, what route would you go? N/A or boost?
Building it now and boost for sure!
Start out with a Coyote and go from there
92 lx notch condor or trinity swap with either a whipple or a kennebell
N/A
I'd go Turbo Coyote
In my opinion. That is the BEST two tone combo ever
Emerald green and titanium frost!
I wish you guys would could start manufacturing the inner shields for the fenders! 😭
We've been looking into it actually! Don't worry, it's something we've been wanting to offer for a while as well!
Here are our new inner fender splash shields for the 91-93 applications!
lmr.com/item/LRS-16103B-K/mustang-inner-fender-splash-shield-kit-91-93
Love the dyno vids 💪💪
Nice numbers for that setup, back in the day my similar 332ci 90 notch with Twisted Wedge 170s (10.5:1cr), custom cam, and basically everything else on this made 360 rwhp/380rwtq. Car was a blast! Want another one and looking at the torque arm, curious how it behaves on the street?
Never caught what intake Runner volume those 11r heads are. If they are the 170's I think that's stealing a little power off the table.
By looking at the dyno chart, looks like it needs a tune to fix that big dip in the torque curve. But that’s decent power for a bolt on motor.
I have an all original 88 stang GT hatchback. Put it on the dyno and lets see what it does. It is a one owner car I bought in 1988 and drove off the show room floor.
100rwhp but congrats on still having it, keep it original man..
Nice! Looks like a fun machine. If you want more HP then you need a bigger head like a 190-205cc and a matching cam. For road racing I want something responsive that can pull hard down low all the way up through a meaty mid range
Wheels look so good, bought a set way to long ago and still haven't got my car finished to drive with them. Need paint still 😔
I'd like to see this car in action, it looks so good on the rollers
Add the box r intake on there extend the power band out would make 380 wheel 365 torque and carry power out.
It wouldn't make that much with those heads, If they were 190cc sure all day
Impressive
The squiggly torque curve line as the engine approaches 5000 rpm suggests valve train instability. Probably light on valve spring pressure for the cam's ramp velocity.
356 / 380
Nice
Sweet sounding small block and good looking Fox body.
Do you guys have anything that runs in the Coyote Stock class?
That looks like a lot of fun. 10sec on bone stock Coyote motor. Pulling the wheels in first and second.
Our technician Scott Hubbard has his Coyote Swapped SN95 but he uses it for road course racing. We have some other employees here at LMR that run their Coyote at the strip when events are available.
Healthy build for a 331. TQ curve looks great for road racing tracks.
But the dyno graph shows it's running out of stream at 5200. Hard to tell if it's the intake, cam, or heads. Leaning to heads as a 11R 190 seems more appropriate for a 331 at that C/R level. Nonetheless, definitely room to grow. Our 331 is near that number, but we have full smog and 8.8:1 C/R.
It's the intake manifold
@@cars_and_stuff second that from firsthand experience with a 332" sbf running a TFS Street then Track Heat, shorty headers aren't helping either
Awesome Foxbody!! Sounds so good. I got a question on my 90’ LX the hood is stuck? I release the hood and it pops up and then when I pull the lever to lift up the hood it comes up a little and just stops like it’s stuck on something?! Any idea, thanks you guys rock
Check the hood struts to make sure they're working as they should be. And then work your way down to the hood hinges near the firewall, where they connect to the car. Make sure there isn't anything in the way of the hinges.
@@latemodelrestoration thank you so much!!!
@@latemodelrestoration do you know how I could get it open? Since it’s stuck.
Try pulling the bumper off and looking underneath. If you can work your way under, you might be able to find what's causing it to be stuck. It's possible that the hood latch is catching and not releasing.
Comparison: I had a similar setup in my 95, a 11:1 331 with all the bolt-ons except I was in California and had the stock H-pipe. It only made 305 rwhp but the torque was 370.
Later I got the Magnaflow catted X but never got that dynod.
Damn..I'd cry .
@@19jody72 so would I you are making average 302ci power
@@msk3905 exactly
I always wonder where the name 331 came from, since a 4.030 x 3.25 is a 331.6(332) yet they refer to a 302 as a 302, even though it's only 301.49. That aside, I run a 332 in my 77 Mustang II, 530hp,(crank dyno) all motor on pump gas, and the car weighs 2450 without me in it. The 3.25 stroke works great.
I'm with you and always referred to my 3.25" stroked SBF as a 332".
Sweet set up, did y'all do a full video on this build from ground up? Great content even if I don't have a Stang myself
Hi Francisco, we did not. This car has been passed around through a few mutual friends of ours so the build has been ongoing in different hands over the year.
Do you reman strut towers yet for both sides and frame rails?
Hey Zach, we don't offer strut towers at this time. We do offer the frame rails for 79-93. I'll include a link below: lmr.com/products/Mustang-Frame-Rails
My guess is 350-370whp.
Edit: right on the money, that's a healthy fox
I think I have actually made an equation to know how much whp you will make. As long as it's NA. I calculated this to be 355hp, a stock Foxbody to be 188 and mine to be 320 (made 323)
What is it? How do I calculate!
Will you ever produce the pace car bumper?
Hi Tyrik, at this time, I do not know if we have plans of offering the Pace Car bumper anytime soon. If you have any other questions or concerns, email or call us with the link below. Thanks - lmr.com/contact
I had to watch this with the volume off. What was the compression ratio?
11:1
Thank you brother
what it runs in the quarter mile
We haven't tested the 1/4 mile, since this car is designed for road course racing
Did it ever run the 1/4 mile?
We've never ran it at the drag strip. -Landan
Do you still run a stock ECM with HCI?
Yes, this car still has the factory A9L ECU. -Landan
@latemodelrestoration thank you my friend for the timely response!! I will definitely be using your business as I continue my 91 GT build!
You're welcome! Let us know if you have any questions with your '91 GT. -Landan
What cc are the heads? 170 or 190?
They're the Trick Flow 11R 170 cylinder heads: 53cc
Late Model Restoration thanks for the reply!
What does H/C/I stand for?
Cylinder Heads, Csmshaft, Intake
I guessed 360/385 😎
😁
Why is it 355hp instead of 400hp
Because it made 355 RWHP. I'm not sure I understand your question. -Landan
@@latemodelrestoration I too wondered why it was less than 400s. It just occurred to me that every video I've seen with a 331 on a dyno was on engine dynos and not factoring in powertrain loss. Still a bit shocked that it's ~350 to the wheels but there are so many factors at play it's never going to be a perfect representation to what others could make. Pretty sure that's what their comment was referencing.
A 5.3 ls makes 350+ with stock heads, intake, electronics, etc.. just a cam and springs
That’s the allure. I know guys get bent out of shape, about Chevy and anything that’s not ford. But if you look at as a performance per dollar.. it’s almost impossible to beat.
My P71 eat a 5.3 swapped single cab Silverado when mine was all stock, dude was loud as hell but still got ahead of him.. I wouldn't waste money swapping unless the car didn't have an engine to begin with..
@@P71ScrewHead your 4.6 crown Vic beat a stock pick up truck? Cool story.. you’re probably lying, but whatever makes you feel good.
@@matt6951 I'm not lying, dude had cai n loud ass exhaust, seemed like open headers loud.. Sure those trucks are still a bit heavier but not by much, my Vic weighs 4,200lbs n has a 3.27 gear ratio on heavy ass widened steelies, thing needs way more mods to be fast.. Take a look at my car if you'd like to see it, I've actually added on weight than lose some, but like in regular good ol' Ford fashion, small Ford engines beating bigger Chevy n Dodge engines..
Damb that xpype is patched up.
XYZ-pipe.
Needs more intake, cam, and exhaust. It's choked down.
Cam isn't terrible but I agree with intake and exhaust at a minimum toss some 1 3/4" long tubes on this
landan what’s up man, I’ve spent a truck load of money with lmr and I wonder if you can tell me why a $1400 cobra body kit from cervini would come with cracks all in the wing to the point where it’s almost useless! I mean it’s separated at the seams!
Call them, they have been helpful with product issues I have had.
Hey DK, I'm very sorry about that! Could you please email or call our customer service team with the link below? We'll be more than happy to help you out and get it all resolved! - lmr.com/contact
RPM extender II and Cobra R intakes are both better. Trick flow has no low end.
Cobra r had same intake as normal cobra and it was not better than the trickflow intake I assure you. They're the same as the explorer and gt40 intakes they all have the same intake gasket. The trickflow is def a step up. I agree rpm 2 and systemax intakes might be upgrades but not the cobra.
LMR is great but nice foxes are nowhere to be found.
We keep the nice Fox's off the dyno most of the time 😉 Check our social media accounts and you'll see more of the fleet!
@@latemodelrestoration
Yes, but I meant nice foxes for us, your customers, to buy.
Unfortunately, nice Fox's are becoming more rare and difficult to find each day. Just keep looking! You'll find one eventually!
Damn. This is why I'm LS swapping. that's stock 5.3 with a tune and header territory.
Not any stock iron block 5.3 with headers and tune will make those #. More like 280 at best at the wheel.
Just looked at a dyno of a cammed 5.3 in a foxbody it made 320 whp 282 torque through a 4l80 ....transmission isnt eating 36 hp bro.
Lmao LShit swap
@@socleanmx6 the guy stated that just with headers and tune. Not a cam install. Yes with a cam those # are promising. But you wont get that with headers and tune only as the gentlemen quoted on his comment.
@@bigdoo350 Not to mention you'd have an unholy abomination. There is no brand loyalty left these days. I wouldn't even walk across the street to see a 5.3 LS swapped Fox body Mustang. I've never seen an engine so overhyped in my life.
that motor shouldve been in the mid 400s to low 500s all day . Weakest 331 ive saw ever . For those wondering i used to work at Dayton 5.0 performance before i moved to MI
What do you suspect is to blame for the low numbers?
To run mid 400 to low 500 HP with a 331, it's going to take way more cam than in this engine and a shorter runner intake manifold.
6,500+ rpms is where it will need to be to make that type of HP.
Those aren't low numbers for the set-up.
This is around 420 crank hp on a 170cc head. those rwhp numbers are pretty spot on.