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Old 12-23-2004, 03:32 PM
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Here are the specs on the modern GM 30-30

Solid, outstanding power & modern tight lash with the exhaust of the GM 30-30 cam

lash> in/.012" ex/.012"

rpm>2300 to 6900

p#> 12-673-4

g#> N+30-30S

ad dur> 284/291

@ .050"> 247/254

lift> in/.504" ex/.498

lobe sep> 112

Like Max said, a cam will "come in" sooner with more cubes. This cam should run 2-2100 thru 66-6700. I once had a cam similar to this in a GN. I loved the sound and feel of that cam. it would pull strong to over 140mph.
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