Thread: ls3 427
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Old 10-23-2008, 11:14 AM   #10
racer7088
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Quote:
Originally Posted by 89Formulaws6 View Post
cool thanks!

i mean as it is if i spend what 3500 on a trick flow top end with intake vs a l92 top end with a sheet metal intake for like 3k im saving a lil money im just going for cost effective but not skimping out on anything.

just trying to figure things out before the snow hits
I don't think anyone has made 600 RWHP with L92 heads and an L76 manifold but 550 is probably doable. The pistons are what matters. I did these a long time ago and still do them and have never had issues but used my own special pistons that take into account the bore length. Most of the guys doing the 4.100 and up stroke had problems since they did not know what they were doing on the pistons.

I fixed more than a few of these 4.100 and up stroke deals for several vendors with the correct stuff. Most of the piston makers did not even know at one time how short the cylinders actually are on those engines. Ashley Gable just went 9.50 @ 143.3 mph last night with one of these L92 427s they've had a while. With the bigger stroke and things done right you can not run any large power adders on the engine though.
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