Hey everyone, i was wondering what mods should i useto get around 425 hp. I have a 351w(with approx.365 hp)with a 750 holley carb, gt40 heads, new exhaust and thats it. what mods are out there to get it up around 425?

 

stroke it to 408

 

Stroke it, better heads, blower, N2O, turbos, something that will help very very little but is very cheap is advance your timing that should make a little diffrence; I think something like 2rwhp per degree.

 

I don't know what cam and intake you have but a rpm air gap and a cam with more lift/duration should put you there. That would be relatively inexpensive compared to the above mentioned methods (except advance the timing).

 

On second thought get a nice dart block and a set of forged 408 stroker internals w/ 8.5:1 compression.top it off with some afr 205 heads (maybe more?) and a trick flow upper/lower intake w/ fuel injection and two t70 turbos. Get some 3 inch exhaust and some glass packs. Then post up the dyno. That is what I plan to do eventually and I want to see the power it will put out (properly tuned hopefully around 800 hp at 10-15 psi).

 

no replacement for displacement, STROKE DA BISH!! but if you dont wanna do that, a 100 shot of juicey juice should put you there, but you always run the risk of crackin the block or blowin some stuff up. but a nice kit from Nitrous Oxide Systems or ZEX is the cheapest way to get you to your goal.

 

depends on your budget im runing a world man o war block thats a 460ci small block based off a 351w

 

what heads and intake do you guys reccomend?? And where is cheapest place to purchase them? Thanks

 

I would definately go with better heads. While the GT40 heads are fine for small gains in HP, aluminum heads with 2.02's will be much better. Check your pistons and see if you can run the 2.02's before buying a set. If you have flat tops, get 1.94 and you'll be fine. An Edelbrock RPM performer air gap with your 750 and those heads will put a big smile on your face.
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^any idea where to buy the intake from and the aluminum heads from?