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Valve spring kit for FMS F13 cam?

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Old 04-08-2006, 10:35 AM
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Default Valve spring kit for FMS F13 cam?

I'm putting together my cam package - already bought the cam - FMS F13 112LSA +4. The car is a 2006 LS2 C6. Stock heads.

I'm trying to make sure I get the right springs. Right now I'm looking at the AFR Duals - they claim 130lbs of seat pressure.

Should I be in good shape with the AFR dual spring kit (with AFR titanium retainers, locks, etc) and a set of Comp Cams chromemoly 7.425" pushrods?
Old 04-08-2006, 10:48 AM
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The Patroit springs kit would work very well also.
I would say you made a good guess on PR length.
Old 04-08-2006, 07:57 PM
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Originally Posted by JZ'sTA
The Patroit springs kit would work very well also.
I would say you made a good guess on PR length.
Thanks - appreciate the feedback. I was told the .025+ would help quiet the valvetrain down with the F13.

I think I'll go ahead and order the AFR spring kit and rods. Anyone else have any suggestions? I'll be putting a FAST intake and this cam in the corvette soon. Other mods are LG pro headers, callaway honker intake, and a B&B catback. I'll finish it up with a tune from Jeff Creech once the cam is in.

Any guesses on numbers?
Old 04-09-2006, 10:14 AM
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Also, another noob question. It seems like one of the recommended timing chains for LS1s is the LS2 chain. Do I have any need to replace my timing chain at the same time?



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