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Old 11-19-2002, 04:42 PM
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Talking Cam bearings

On a small block Chevy is it always neccessary to change Cam Bearing when installing a new cam ? is there a way to tell if the bearings need replaced ? Thanks for the help.

Joe

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Old 11-19-2002, 04:51 PM
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It depends. Check with your manufacturer to be sure. Personally, I inspect them and the cam for wear , and mike the Cam for wear to see if they are needed. I've put allot of new cams on old bearings that were in good shape and never had a problem. Make sure you use lots of Assembly lube. My 2 cents. :-)
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Old 11-19-2002, 04:58 PM
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How many miles on your motor?I have changed cams in one motor many times in its life time.If the motor is out and has over 100000 miles yes change the cam bearings and overhall the motor.If you just want to try another cam go for it!with lower miles and good oil press and compression.
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Old 11-19-2002, 05:35 PM
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if your motor has reasonable milage on it, you won't have to change cam bearings. take a light and check for wear, any discoloration, or material displacement, scratches are normal from cam install and removal. to install new bearings you must disassemble the engine.
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Old 11-19-2002, 06:55 PM
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I've been told that cam bearing last almost forever, as long as there is oil and its clean. But don't quote me on that. Just what I've been told.
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Old 11-19-2002, 08:14 PM
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Most cam bearing don't need replacing. but needing to dip the engine for cleaning will dissolve them so it is common to replace them during overhaul. As long as they measure on size with no big scars in them I reuse them regularily. Measuring the back one can be a pain though with the engine in the car. <img src="graemlins/crash.gif" border="0" alt="[crash]" />
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