What should I do?
What should I do? So I ended up dynoing my car today and made 405HP and 366TQ.
Now the horsepower bug bit me right in the *** after this and now Im thinking should I go with stroking out the ls1 to 408/427? or just saying **** it and go with something a little bigger like a 6.0l longblock etc?
Trying to figure out whats going to be the best bang for buck while reaching my goal of 550 to the wheels NA(i know expensive), and being a little reasonable with price... Open to suggestions! Thanks all!
Now the horsepower bug bit me right in the *** after this and now Im thinking should I go with stroking out the ls1 to 408/427? or just saying **** it and go with something a little bigger like a 6.0l longblock etc?
Trying to figure out whats going to be the best bang for buck while reaching my goal of 550 to the wheels NA(i know expensive), and being a little reasonable with price... Open to suggestions! Thanks all!
Last edited by slow78z28; May 1, 2011 at 07:57 AM.
I believe you can only stroke a ls1 to a 383. If you want a 408 you will need a 6.0 block to start. Now trying to make 550 to the wheels is gonna take a lot of money if you want to all motor. You can always just do a 383 with a decent head/cam and be around 450-475ish rear wheel, then throw on a 100 shot and be done 
have a sponsor build you a nice 402 or 408 bottom that you can use your current heads on, maybe a little reworking and a larger cam. then like said above, throw a little spray and be done!. hell get the bottom end built stout enough and you could put a 200 shot through it.
you'll need a LS2 block or LQ4/9 block to go 408. Then put a set of cnc ported Ls3 heads and top end, a stout cam and you should be there. Either that or build up a 427 and you be there easily. Or the quickest way for you would be change your rod bolts to ARP2000 and slap a 150 shot on it. Good luck, let us know what ya plan to do.
Ive been wondering how often people go with resleeving their ls1s now? though im sure that would cost twice as much if i decided to just go with buying a ls2 block and going from there :/
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i believe an ls1 can stretch out to 393ci. however, if you are wanting 550whp n/a i'd be looking at an aggressive 408+ inch setup. you'll need an lq series engine (or ls2). lq4 would be the cheapest, as you will only reuse the block and possibly the crank.
http://www.texas-speed.com/shop/item...d=708&catid=42
this is a nice block to start off at 454 dont you all think?
but then again a ls2 block off a truck stroked out would be the same..
this is a nice block to start off at 454 dont you all think?
but then again a ls2 block off a truck stroked out would be the same..
