alright so i got my iron block 4.8 and my 5.3 crank to bore to 5.7 and i am tryin to get all my parts together....i am goin with forged internals and 317 heads but thats as far as i have got.....what is a good cam/spring/lifter set for this or could i use the stock lifters? also turbo, sc, or n2o? i am thinking turbo or could i maybe run both fi and n2o since it would be an iron block ls1? any other info or suggestions would be much appreciated!! thanks!!

 

you can use the stock lifters

the cam will depend on if you go SC, turbo, or NA/nitrous

you are going to have to decide on sc, turbo, nitorus, naturally aspirated before you build your engine, unless you want to change some things later $$$$

there is tons of info on here, so read up

 

thanks i will do that.....i was hoppin to find someone who had done somethin similar to see what they were runnin.....i will search around though.....

 

curt D did a forged iron block 5.7 ( from a 5.3) with a front mount turbo and made over 600rwhp on the dyno at 15lbs. and over 500rwhp at 11lbs.

 

that would be what i am looking for....i figured maybe turbo since they are easily upgradable i just dont know if i want to do a remote mounted or under the hood....i guess they both have their pros and cons

 

yep

check out the forced inductions section and read the stickys, lots of good info in there

i prefer a roots/twin screw SC myself but to each his own

 

if i dont do some kind of fi how big of a cam can i put in it and is still be streetable?

 

that all depends on your idea of streetable but id say somewhere around a low-mid 230s duration max, and i wouldnt go that big

the tune also affects the driveability alot

maybe someone else with some experience will chime in, for i have none when dealing with specing out cams and what not

 

this will be my first engine build so i def. dont have any.....the only thing i have put a cam and springs in is my 22R toyota 4 banger....a little different than this....