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Old 03-29-2004, 01:07 PM
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Default Gen? Roller?

Can I tell without taring the engine down. On the ECM box lid: Model MCM 502 Mag EFI, Eng S/N OF 363859. Its a '95, is it a Gen V or VI. Would it have any rollers in it. I'm thinking of doing a cam change. ttfn
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Old 03-29-2004, 02:15 PM
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1991 to 1995 is a Gen V non roller
1996 to... Gen VI
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Old 03-29-2004, 02:19 PM
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If it is a GenVI, it's a roller.
The timing cover on a Gen VI has only "six" cap screws instead of "ten". The timing cover is also cast aluminum instead of stamped steele. Take a look you should be able to see!
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Old 03-29-2004, 02:42 PM
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Also the stock GM rollers if it is a Gen VI are good to a max lift of .625". Anything more and you need an aftermarket lifter.

Chris
 
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