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Click on image for the lowdown. 
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| | | Forums66 Topics128,110 Posts1,056,242 Members48,437 | | Most Online14,466 Apr 26th, 2026 | | AD Chevy Trucks Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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For helping keep this great
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on the Internet for over 30 years! and not clogged down with Ads! Again, thanks! | | | | Joined: Feb 2004 Posts: 29,803 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,803 | That's a relatively mild cam, somewhat similar to the Comp 268H that I put in a lot of street engines. It will have a slightly choppy idle and the manifold vacuum at idle will be a little low, especially if you're running an automatic transmission. A manual shift vehicle can get a little higher idle speed, maybe 750-1000, and the vacuum will stabilize. All the 268's I've had on the dyno pulled strong from about 2k RPM to 7K. This cam should be fairly similar in performance.
Be sure to check closely for valve to piston clearance, particularly at the exhaust valves. Jerry
"It is better to be silent and be thought a fool than to speak and eliminate all doubt!" - Abraham Lincoln Cringe and wail in fear, Eloi- - - - -we Morlocks are on the hunt! There is nothing noble in being superior to your fellow man; true nobility is being superior to your former self. - Ernest Hemingway Love your enemies and drive 'em nuts!
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