Cam to Rod Clearance-383 Small block chevy - Hot Rod Forum : Hotrodders Bulletin Board
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Old 10-15-2002, 05:25 PM
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Post Cam to Rod Clearance-383 Small block chevy

Anyone with a rule of thumb for Maximum lift without connecting rod interference in a Small Block 383?

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Old 10-15-2002, 06:26 PM
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were running a roller cam close to .700 lift. small base circle cam
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Old 10-15-2002, 06:47 PM
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the figure will be different on each grinders cam due to base circle differences,and block differences, the only way to know for sure is to measure it with the short block mocked up
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Old 10-16-2002, 07:48 AM
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I run a .640 solid roller in mine w/ a .900 base circle. No problems.

Strkr
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Old 10-16-2002, 07:21 PM
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I will have to mock the cam up. I will be running a comp cam roller cam with .520/540 lift. In the mock up process would it be easier simply to first install each piston separately and rotate the assembly through 720 degrees or several revolution to see if something is in the way. Measuring cam to connecting rod clearances may be difficult. Visual is about all you have unless you actually contact the two in rotating the assembly. How much clearance is acceptable? Thanks for all your assistance

Sam

[ October 16, 2002: Message edited by: Cobracar ]</p>
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