Comp 918's enough spring for my FI setup?
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Hey guys, I wanted to bounce this tech question off you as I'm piecing together my procharged setup. Here's what I'll be running:
Stock bottom end 346 LS1
P1 or D1 Supercharger @ 8 psi
317 heads, 9.5:1 CR
Futral F7 Cam (224/230 +114LSA 0.585/0.595)
I currently am running a TR224 +112 which I am running Comp 918 springs (rated at 0.600" lift) and TSP hardened push rods. I would really like to transfer the springs from my 241 heads to my new 317 heads. My question is, will these springs be enough for me? I plan on revving to 6,400 RPM. thanks!
Stock bottom end 346 LS1
P1 or D1 Supercharger @ 8 psi
317 heads, 9.5:1 CR
Futral F7 Cam (224/230 +114LSA 0.585/0.595)
I currently am running a TR224 +112 which I am running Comp 918 springs (rated at 0.600" lift) and TSP hardened push rods. I would really like to transfer the springs from my 241 heads to my new 317 heads. My question is, will these springs be enough for me? I plan on revving to 6,400 RPM. thanks!
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You would probably get by using unless they have alot of miles on them. With the boost behind them I would have to suggest going to a nicer dual spring setup. I would never build a customers car for boost with them but if you are on a very very tight budget use them but keep new springs on the top of your list.
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Thanks for the info. I am not on a super tight budget with my build, but it does feel nice to be able to re-use a few parts! I suppose I might be able to sell my CC918's...
Last edited by mattster03; 10-28-2010 at 05:20 PM.