LT1-LT4 Modifications 1993-97 Gen II Small Block V8

LT4 Vortec max cam?

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Old 04-12-2011, 09:12 AM
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Default LT4 Vortec max cam?

whats the biggest cam i can use in a vortec lt4 with cast heads?
Old 04-12-2011, 09:17 AM
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I believe any cam the LT1 can take. Bigger is not always better when dealing with cams. There are alot of cam threads on here just search for a sticky or do advanced searched.
Old 04-12-2011, 09:21 AM
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the cam i have is max lift of 690
Old 04-12-2011, 10:06 AM
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WTF is a vortec lt4? Cast heads, really? As opposed to what, forged ones? Billet? You need to ask a question that makes at least a little bit of sense before you get a decent answer.

If you are trying to ask about L31 Vertec heads, they are very restrictive on max lift because of extra tall valve guides. .690 lift is going to be way, way too much for those heads.
Old 04-12-2011, 10:25 AM
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Vortec LT4 ? ? ?
Old 04-12-2011, 10:53 AM
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Originally Posted by gjohnsonws6
Vortec LT4 ? ? ?
X2

Maybe someone sold him an old caprice 4.3 and told him its a vortec lt4?
Old 04-12-2011, 11:17 AM
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Old 04-12-2011, 02:20 PM
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Hold the f***ing phone. where are you from in nebraska? I can maybe help you out a bit. But obviously you have some things messed up here, what exactly are you working on?



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