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SOOOO today I decided to try to make 400whp on a Mustang Dyno on a stock turbo Evo X. Since everyone thinks it can be done “safely” thanks to this Joey Kid and Jack Cecil.

Many of you know who I am and what I’ve done so ill skip that part and get right to the nitty gritty.

Took a car with an Extrenal dump and tuned it on 91/E85 like I usually do and it made the Normal power on my Mustang Dyno (not fucked with to read higher)
And it made the usual 360whp/370wtq in 4TH GEAR starting from 2000 to 7500 with a 4100lb weight and 16.7 hp @ 50 (this is important ill tell you why later)
29psi tapering to 20ish and the car runs great and is quick.

At that point I watched the video, set up a 3rd GEAR pull because that is what Jack/JOEY used and set the car weights to what they had them at 38XX and 16.X I believe. Started the pulls at 3000-3500 just like them and the car made……… LESS POWER LOL. Less load but the same boost and timing as 4th.
SO I added some more boost (100% wastegate duty after 5k)
And added some timing ……. Made another pull ……. Still less power than my 4th gear pulls with less timing……. :-\
Changed Mivec …….. same power
Changed Fuel ……. Same power
Added MORE timing……………….
SAME POWER ………
At this point im thinking no way in fuck did this guy make 400whp on this stock turbo on a mustang…… I kept trying. Less timing, fuel richer and leaner etc etc etc it NEVER MADE MORE POWER in 3rd than my 4th gear normal mapping.
At this point my timing is STUPID high and im not making power, ive gone past MBT …….. I put it back as NO tuner would let a car leave with that much timing in a real world load scenario like 4th gear lol, and sent the customer on his way. He loves it .

The point of this story is, there’s no secret fucking sauce to make 400whp on a stock evo X turbo on a real Mustang dyno.
The only thing you’re drinking is this guys bullshit KOOLAID if you believe it. I’ve taken a KNOWN mustang dyno and tried to replicate his shit, and I guarantee ive tuned 500+ more evo X than he has.
Ill post up some Logs of timing and Boost to show you and ill post the dynocharts as well……
Scammers.
 

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This kid on Facebook is convinced he is at 400 whp on a mustang dyno tuned by HP logic in Florida.

The Facebook thread is priceless!
 

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Can anyone share the link to this thread?! I need something funny to read on this Friday the 13th!!
 

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What was the weather like when you dyno'd? Also, my car has had this tune for 20k miles now and it runs great. I ran 11.9 @117. Only two runs and on the 11.9 run I was on the limiter. We overinflated the tires to get the 117mph trap, but that fucked up the launch so my ET sucked.
 

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117 MPH seems about right for 390-400 on a dynojet. My car on 440WHP on a dynojet traps 122 MPH. Rule of thumb is 10hp = 1MPH in my experience. My car went from 300WHP trapping 108 to 340WHP trapping 112 to 440WHP trapping 122 (all on same dyno).

- Robert
 

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"Thanks for the input! My car was on the rev limiter before passing the trap. At 26psi tire pressure the car hit the limiter at 113mph. Then at 55psi the car trapped 117mph on the limiter. So we were able to get a few mph from over inflating the tires. I suspect that if we were to raise the limiter then another 1-2mph would be in the trap speed. What tires/rpm are you turning to hit 122mph? Assuming that's fourth gear and a stock final drive/transmission?
 

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I hate to break it to you, but you aren't at 410whp on a true Mustang dyno. Take it to another dyno that isn't HP Logic.

You will be right at 380-385whp like Bakaunchi said. I'm willing to bet on it.

Your traps and times fall right in line with that # too.

Ask me how I know...I have 385whp on CBRD's Mustang dyno.
 

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Dyno numbers from different dynos shouldn't be compared. That's dynamometer 101, you know it, I know it, everybody knows it. If a guy is claiming some wild number of HP from a random dyno, who cares? That just means the dude doesn't have meaningful numbers like 1/4 mile times or lap times. Let's stop glorifying some potential to go fast, and put the emphasis on actually going fast. Rigamaroo for 2020.
 
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