Best Way to Achieve 430 WHP? - Cherokee SRT8 Forum
WK2 SRT8 General Performance Discussion Discuss WK2 SRT8 general performance enhancing modifications here.

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post #1 of 14 (permalink) Old 02-14-2017, 10:56 PM Thread Starter
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Best Way to Achieve 430 WHP?

I am just curious of what it takes to get about 430 whp out of the 6.4. I am thinking Intake, Tune, and Exhaust. Maybe a hemifever tune.


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post #2 of 14 (permalink) Old 02-14-2017, 11:23 PM
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Not happening with those mods IMO. Add some meth or Nitrous or FI.

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post #3 of 14 (permalink) Old 02-15-2017, 12:47 AM Thread Starter
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Not happening with those mods IMO. Add some meth or Nitrous or FI.

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hmmm...I have seen stock WK2 dyno AWD @ 390-400 WHP.
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post #4 of 14 (permalink) Old 02-15-2017, 03:25 AM
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hmmm...I have seen stock WK2 dyno AWD @ 390-400 WHP.
True, but an intake and exhaust won't give you anything but paper gains, and nothing valuable on a dyno. Best option out of those three is a tune/tuner. You're not gonna feel a 30 whp difference. You'll convince yourself that you do, but honestly you won't. 30 whp is just to go around and tell people "I have 430 whp now". Put some real cash aside and do a stroker kit or turbo. Then you'll feel your money's worth and have something to really talk about.
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post #5 of 14 (permalink) Old 02-15-2017, 12:55 PM
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These guys are right. Ill say it again put a procharger d1 at 4psi and enjoy it. Ull be amazed what it does. You get a whole new ride. Dont chase the power the wrong way. Call skip at demon and hell take care of ya. But you can always do a twin turbo built motor built trans to!
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post #6 of 14 (permalink) Old 02-15-2017, 02:43 PM
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Forced Induction is the best way to approach. With that said if you go the FI route, you will over shoot that number as well.
You would want to look into some safety blankets as well. With that said, don't get too hung up on the difference between
400 and 430.
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post #7 of 14 (permalink) Old 02-15-2017, 02:57 PM
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My stock 15 did 400awhp on the dyno in Toronto. If you ran meth and a custom tune you would reach 430awhp. Forget intake & exhaust, they won't add anything, IMHO.
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post #8 of 14 (permalink) Old 02-15-2017, 07:15 PM
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Why 430 hp? 30hp difference between 400 and 430 is dismal.
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post #9 of 14 (permalink) Old 02-16-2017, 06:26 PM
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My stock 15 did 400awhp on the dyno in Toronto. If you ran meth and a custom tune you would reach 430awhp. Forget intake & exhaust, they won't add anything, IMHO.
Wrong....exhaust and intake add noise...thats it though. It does mess with your brain and make you think with those two mods your ride has just turned into a top fuel dragster. Jokes aside...just put a power adder on. Job done. Still won't be top fuel but will make your eyes go big and a lot of 'F' bombs getting thrown about.
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post #10 of 14 (permalink) Old 02-16-2017, 06:29 PM
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Haha yeah wrong ok expert - noise counts. The guy asked how to get 430 hp so I answered.
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