ls7 valves in l92 head?
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From: Kansas City, KS
ls7 valves in l92 head? anyone know if its possible? i would think it would be, but had not seen it discussed.
it would be nice to have the cheaper l92 head, but with the larger lighter titanium valve for bigger bore and to rev it higher safely
it would be nice to have the cheaper l92 head, but with the larger lighter titanium valve for bigger bore and to rev it higher safely
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From: Kansas City, KS
Originally Posted by DONAIMIAN
The reason the LS7 heads wont fit less than a 4.1 bore is becuase of the size of the valves...keep that in mind.
just a thought which I hadn't heard discussed before
Staging Lane
Joined: Aug 2006
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From: under the hood
LS7 valves are 2.20" dia. and longer than the L92 2.16" valves. The length makes swapping them an issue with non adjustable rockers. However, the .040" diameter difference only makes for a .020" clearance change vs. the bore wall. If you lift the valve enough, you may run into issues, but that would have to be a pretty fair amount. Although it'll be close and not optimal, a 2.20" valve will fit, but the length of the LS7 valves will keep you from using them.
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Originally Posted by LSX Wizard
LS7 valves are 2.20" dia. and longer than the L92 2.16" valves. The length makes swapping them an issue with non adjustable rockers. However, the .040" diameter difference only makes for a .020" clearance change vs. the bore wall. If you lift the valve enough, you may run into issues, but that would have to be a pretty fair amount. Although it'll be close and not optimal, a 2.20" valve will fit, but the length of the LS7 valves will keep you from using them.
Staging Lane
Joined: Aug 2006
Posts: 91
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From: under the hood
Originally Posted by DrkPhx
That's good information that seems to be based on first hand experience. With a name like LSX Wizard, you must be "in the know".
to quote Lynyrd Skynyrd "I know a little"......
