Largest Cam through Stock Manifold
02-20-2006, 02:00 PM
#1
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Largest Cam through Stock Manifold I was wondering what the largest cam was that can be used with stock exhaust manifolds, i know headers will make the cam work better but just wondering if there is othere reasons why i would have to go to heders to run a descent size cam. I know the thunder racing is made to work with stock manifolds but is there any cam that will make more power that it thru stock manifolds.
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02-20-2006, 04:12 PM
#2
Too much back pressure + lots of overlap = polluted charge. Also idle quality will strat to deteriorate with lots of overlap on stock manifolds.
A few people have run 224/224 114 cams (-4 overlap at .05) but whether they made more power than a -8 overlap cam with extra exhaust duration is unknown. Personnally I think the TR Cheater could be put on a 115 LSA 114 ICL for more power.
With XER lobes a 220/228 115 (112 or 113 ICL) would probably be ok.
https://ls1tech.com/forums/generation-iii-internal-engine/440051-maximum-overlap-f-body-stock-manifolds.html
A few people have run 224/224 114 cams (-4 overlap at .05) but whether they made more power than a -8 overlap cam with extra exhaust duration is unknown. Personnally I think the TR Cheater could be put on a 115 LSA 114 ICL for more power.
With XER lobes a 220/228 115 (112 or 113 ICL) would probably be ok.
https://ls1tech.com/forums/generation-iii-internal-engine/440051-maximum-overlap-f-body-stock-manifolds.html
Last edited by Ragtop 99; 02-20-2006 at 04:21 PM.
02-20-2006, 06:47 PM
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if you are planning on add headers/exhaust in the future you may want hold off on the cam. i have been through 4 differents cams which was a mistake. At first i went with what is considered a small cam and i regreted it because it didn't make the power i wanted. know what you want out of the cam before you do one because you dont want to go through the trouble a swap and tuning if you not happy.
