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I have a sbc 355, forged pistons 8.5 to 1 comp, 2.02/1.60 iron heads, main studs, head studs, waveloc rod bolts, stock hei dist w/ a msd 6a ignition, msd boost timing master, comp cam (268 total dur. , 218@.050, .480 lift). Keeping in mind that i will probably turn it into a 383 in a year or two, should I go with the weiand 177 or the 142? I am looking for 12 to 15 lbs of boost. This car is also my three season daily driver.
Any input will be greatly appreciated.

Billy

 

Thats a lot of boost for a roots street application.

 

Yea, I realize that now. I was looking at some of the older posts about this type of stuff and now I understand the whole "More boost doesnt mean faster" thing. I am probably going with the 177 and a more ideal 6-8 lbs of boost.

 

you can do some cool things with intercooled centrifigal setups, what induction will you be running?

 

I will probably go with the roots style weiand 177, with a holley 750 DP on top.

 

Hey Damon, KingtalOn, or anyone else, what is aprox. the max rpm that these type of s/c work well with?

 

max 5500 they get to hot when you spin them faster and may cause the rotors to touch.