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Reply to "Questions regarding George's 275/285 Custom Street Cam Profile"

quote:

Originally posted by Danford1:

Can this custom Cobra Jet cam be ground for use with solid roller lifters?



Hi Dan, the answer is yes. Comp Cams makes a series of camshaft lobes called "High Energy Street Rollers". There are a pair of those lobes in their catalog that should do the job fine. Would require using different rocker arm ratios between intake & exhaust. Net valve lift (0.020" lash) either 0.575", 0.585" or 0.610" depending upon the intake rocker ratio (1.7:1, 1.73:1 or 1.8:1).

quote:

Originally posted by 1Rocketship:

... Also with the proper valve springs & titanium valves, would this cam have the characteristics to allow the motor to rev to 7,000rpms!

I need a solid roller cam that has decent idle & streetable driving qualities, yet will rev to 7,000rpms!!!



Mark, with the "right" valve train any type of camshaft you choose can rev to 7000 rpm; hydraulic flat tappet, solid flat tappet, hydraulic roller tappet or solid roller tappet.

Here's the sound of a V8 equipped with 360 degree - 8 into 1 exhaust Smiler

http://www.youtube.com/watch?v=w1xvZ0c59Ic

http://www.youtube.com/watch?v=OxQAz_tJuWw
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