Can you get to 400 without turbo or super-charger

JoeyD

I think we need to get away from the FI vs NA discusion a bit and focus more on the thread topic. I could go on all day about why I won't FI another NA car. Upgrading FI on an OEM FI car is one thing but on a stock NA it's a whole different animal.

I would like to see 350RWHP (that's over 400 at the crank) naturally aspirated out a 370. The cosworth build did involve a stroker kit to 3.7 I believe. The stock head has great potential. So here is what I think will do it:

-CAI
-Header Back Exhaust (although when looking a the stock headers I think they are going to be tough to beat)
-Injectors
-Ingnition (HKS DLI)
-Underdrive Pulleys ( I hate using these but NA it should be ok)
-Aggresive tune taking full advantage of VVEL

On this car 350RWHP will be incredible to drive. Match that with the longevity you are sure to have without boost and you have a streetable, reliable, monster.

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When was the last time you did 230MPH in something with 4 seats?