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Whipple plus long tubes = ?

S550AC11

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"No cats" likely being a major contributor.
Of course! It all adds up, no cats, 3" pipes vs 2.25 or 2.50 and bigger/longer header primaries. Plus the tune won't be bumping the safe guards as quickly and make it run more consistent. Drop in boost pressure, less heat, no cat protection etc.
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SHONOFF15

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You gained some of it from the pulley swap obviously.
Outside of that, I’d be VERY suspicious of any dyno that suggests 800rwhp is possible from a Gen 3 without e85 and at least a 3.500” pulley at a minimum.
I completely agree. Also take note his dyno graphs are in STD as opposed to SAE corrected numbers.
 

olaosunt

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Signature Speed just posted a before and after on a Whipple 18 with 3.87 upper with 20% lower. Before 865 hp 656 tq. After stainless works headers no cats was 917 hp 680 tq.
I completely agree. Also take note his dyno graphs are in STD as opposed to SAE corrected numbers.
That’s great info . My 18 GT /Gen 5 whipple /stock exhaust including cats made mid 800’s (SAE) with a 6 rib 3.5 pulley with race gas and a little less with the 3.625 pulley and E85 .
https://www.mustang6g.com/forums/threads/2018-gt-whipple-and-still-waiting.104455/page-20

Just bought lethal cat deletes so hoping I pick up some power but dreading the sound .
 
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The_Mad_Patcher

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Thanks guys. I must run cats for NYS inspection. For me, an approximate 50 HP gain is not worth the price and possible headaches of catted long tube headers. The stage 2 Whipple will get an after market cat back. I think I will try the Ford performance by Borla touring but use the Steeda H-pipe instead of the resonator. If the exhaust is too loud or drone is too bad I can switch out the H-pipe for the resonator. Thanks again for the input
 

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Platinum_5.0

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I completely agree. Also take note his dyno graphs are in STD as opposed to SAE corrected numbers.
Yes they are STD so 802WHP in SAE would be what? 790? Believe me I'm skeptical as well. I've asked Rob Shoemaker what he thinks and he said that he has seen it, very rare though. I'm determined to figure it out myself. Like I said before, It's a place I'm very familiar with, this same dyno has been used for all of the tuning.This same dyno also had a Trackhawk on it and that did 588WHP SAE which seems accurate to me. It also had a 2019 ZR1 on there which did 688WHP STD which from what I've seen they are around 660 - 670whp SAE so I guess it's pretty accurate with everyone else except my car? Either way I will be going to another shop in the spring just to check what it reads there. Having the car running safe is more important then the dyno number. Rob knows what he is doing and 18* timing isn't unsafe but can't hurt to do some real road testing in the spring and try another dyno for reference :)
 

Platinum_5.0

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As for the pulley? 800whp on a Gen 3, 3.6 with E85 is very achevieable. It's actually pretty common to run mid 7's on the 3.6 on pump so E85 and 4 - 5 more degrees of timing will give you 800whp no problem.
 

racingmason

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I'm running hollowed out Kooks 1 7/8 cats and its loud as hell. My kids cant rode in the back with our complaining. The car is crazy quiet at idle but 2k and up it screams through the quad borlas. It shifts the exhaust up an octave and some people hate the higher pitch. To me it screams and is t to bad of a sound. Very similar to Vaugh Gitten Jrs. Drift car.
 

SHONOFF15

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Yes they are STD so 802WHP in SAE would be what? 790? Believe me I'm skeptical as well. I've asked Rob Shoemaker what he thinks and he said that he has seen it, very rare though. I'm determined to figure it out myself. Like I said before, It's a place I'm very familiar with, this same dyno has been used for all of the tuning.This same dyno also had a Trackhawk on it and that did 588WHP SAE which seems accurate to me. It also had a 2019 ZR1 on there which did 688WHP STD which from what I've seen they are around 660 - 670whp SAE so I guess it's pretty accurate with everyone else except my car? Either way I will be going to another shop in the spring just to check what it reads there. Having the car running safe is more important then the dyno number. Rob knows what he is doing and 18* timing isn't unsafe but can't hurt to do some real road testing in the spring and try another dyno for reference :)
Just because I'm a stickler for numbers (accountant by trade) it'd be closer to 760-770 SAE

For reference

http://www.woodcarbs.com/hpcalc.pdf
 

Platinum_5.0

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Just because I'm a stickler for numbers (accountant by trade) it'd be closer to 760-770 SAE

For reference

http://www.woodcarbs.com/hpcalc.pdf
Lol...Hey, I'd still be very happy with those numbers. In my mind I just consider the car to be around the 750whp mark. I'll be tracking it this season so that will help answer some questions. I noticed that Fathouse Fabrications has one making 745whp with the same setup. Palm Beach did 737WHP with a Gen 2 Whipple on pump 93, LTH and 3.6. In that video the car made 646 on the 3.75 and long tubes. So on the stock Whipple calibration and no longtubes it made 631WHP, Gen 2 Whipple. With the longtubes on the Whipple tune it made 646WHP.With the longtubes and a PB Dyno tune the car made 713WHP and 515TQ and again on a Gen 2. So this car picked up 15whp with longtubes alone and 82WHP with just longtubes and a tune! At this point my car is on a Gen 3, 3.75 and no longtubes. With a PB Dyno tune I was at 709WHP and 544TQ. The Gen 2 car then adds a 3.6 pulley and is ran on the same tune setup and nets 737WHP and 537TQ. So this particular car has picked up 106 WHP on 93, on a GEN 2 with longtubes, 3.6 pulley and a tune. Pretty sweet. And Yes these are STD correction numbers. I went from 709WHP and 544TQ to 802WHP and 611TQ with a GEN 3, longtubes and 3.6. Almost the same exact gain but a little less. So I'll let SHONOFF15 fix this up for me. What's your conversion in SAE for these numbers. Stock whipple calibration = 681WHP...Tune = 709WHP...and you've already figured 760-770 SAE for my 802whp pull. :thumbsup:
 

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Platinum_5.0

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Also I never noticed the link you provided before I asked you to convert the numbers...lol:headbang:
 

SHONOFF15

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Also I never noticed the link you provided before I asked you to convert the numbers...lol:headbang:
No worries man, and I do agree those are damn good numbers!

I have the same setup as the one PB did the dyno on that made 737 rwhp (mustanglifestyle I believe) gen 2 whipple, LT's, 3.625, PB tune (coming this spring) so I'm hoping to be around that number as well.

If you have the same setup with only the Gen 3 being the difference you should see 30-40 more so 730-740 + 30/40 puts you right around that 770 mark which falls in line with the SAE numbers.

But who cares right take that bisssssh to the track and see what she does! :muscle::beer:
 

Platinum_5.0

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No worries man, and I do agree those are damn good numbers!

I have the same setup as the one PB did the dyno on that made 737 rwhp (mustanglifestyle I believe) gen 2 whipple, LT's, 3.625, PB tune (coming this spring) so I'm hoping to be around that number as well.

If you have the same setup with only the Gen 3 being the difference you should see 30-40 more so 730-740 + 30/40 puts you right around that 770 mark which falls in line with the SAE numbers.

But who cares right take that bisssssh to the track and see what she does! :muscle::beer:
Yeah it's Mustang Lifestyle...haha...And congrats on the setup man, you will love it! Keep us posted on your results! I'll post some times when Imake my runs!
 

stang17

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I picked up 60+ RWHP when I went catless headers and 1 pulley size down (3.75 to 3.625) on 93 octane and canned Whipple tune. On the second dyno session we used HP Tuners to turn on per cylinder knock monitoring instead of global. Max boost was about 13psi and timing around 22.
 

Platinum_5.0

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I picked up 60+ RWHP when I went catless headers and 1 pulley size down (3.75 to 3.625) on 93 octane and canned Whipple tune. On the second dyno session we used HP Tuners to turn on per cylinder knock monitoring instead of global. Max boost was about 13psi and timing around 22.
22* on 13psi with 93 pump?! That is some scary shit.
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