LS3 and Manley Valves different height
08-01-2009, 08:20 PM
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LS3 and Manley Valves different height I had a caddy lifter come apart in my setup a couple of weeks ago, so when I had the heads off to upgrade to Lunati (Morel) lifters. I decided to change my stock valves in my L92 heads to LS3 hollow intake and Manley SS #11621 exhaust valves. To find that all eight of the Manley valves sit .025" lower than my LS3 valves? Has anyone seen or heard of this?
08-02-2009, 05:24 AM
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I had a caddy lifter come apart in my setup a couple of weeks ago, so when I had the heads off to upgrade to Lunati (Morel) lifters. I decided to change my stock valves in my L92 heads to LS3 hollow intake and Manley SS #11621 exhaust valves. To find that all eight of the Manley valves sit .025" lower than my LS3 valves? Has anyone seen or heard of this?
If you are talking the LS3 intakes are longer than the Manley (or GM) exh, thats correct. All LS3 intakes are longer than the exh valves to support the different base circle on the factory LS3 cam.
