smbikes

I have a built 306 in my car right now that im tired of , imready to upgrade to more cubesbut dont know if i should go 347 or 408w!?!?!

I have a LOT of money in 302 parts and 302 blocks are a dime a dozen but i know alot of my parts will interchange with the 351w but the block are very hard to find and not sue and what year modle to get.

cani get as much hp out of a 347 as 408 in NA form?

[IMG]local://upfiles/43346/6F8DAFC83F0D43D9B52975C71A2BE11F.jpg[/IMG]

aode08

I looked at your sig and dont see how a 306 is making 500 hp .

Thats 347 Territory.

smbikes

it had a little hlep, lol, and that was at the fly

I want that powerall the time , not just when i hit thebottle

smbikes

wanting to stay N/Aalso

mjr46

how big a shot was on it to hit those numbers?? and a well built stroked 351 will annialate a 347..no replacement for displacement

smbikes

hereu go

[IMG]local://upfiles/43346/D0A1121F3DB44893885CEDAA67B01319.jpg[/IMG]

absolutbspec

How does a wrx make 650 hp then....and that is only a 2.5 or even a 2.0 (i know turbo but still) 350hp+ gain
Why spend all that time changing over to a big block when some aftermarket blocks say they can handle over a 1000 hp

aode08

Definetly 351 over to a 408, you will be happy with all that instant torque.


Parts for the conversion only if fuel inj $1,000

cody91mustanglx

if it was me i would go with the 347, heard good things about them at the track, but between a 408 and 351 , go wit the 351

Tberg725

explain?