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

Comp custom grind

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Old 02-05-2009, 04:53 PM
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Default Comp custom grind

I found a extreme roller custom grind with these specs 218 int.,228ex. 503 lift int./510 ex.,but has 110 sep(270/278 adv.).The cam is a cross between a 502 and a503 cam,I like it except for the lobe sep.,what do you guys think,will hurt my over rev and be to rough of a idle for my dd driver?

Last edited by clwz28; 02-05-2009 at 06:06 PM.
Old 02-05-2009, 04:58 PM
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If you need to pass emissions that probaly wont, just in case that may be a concern. Don't know all the specs of the cam but a 110lsa should be fine for DDing and should sound pretty decent too.
Old 02-05-2009, 05:01 PM
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I'd run it, I don't see anything wrong with those specs.
Old 02-05-2009, 08:30 PM
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You need to make sure the cam is LT1-specific. Typical SBC cams will not work.
Old 02-05-2009, 08:47 PM
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Its a short pin oem roller.
Old 02-05-2009, 08:48 PM
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'87-'97 roller cams have a step nose and the thing to watch for is the dowel pin. you would be good to go...
you can get a longer pin if needed.
Old 02-06-2009, 07:07 AM
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Is that lift on a 1.5 or 1.6 as it seems pretty small?
Old 02-06-2009, 07:16 AM
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Originally Posted by DAVE00
Is that lift on a 1.5 or 1.6 as it seems pretty small?
Probably with 1.5 ratios rockers.
Just so you know, the lift on a CC503 is .502/.510.



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