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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!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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| | | | Joined: Jun 2008 Posts: 25 New Guy | | New Guy Joined: Jun 2008 Posts: 25 | geting ready to instal my reground cam,retainer goes on first,round spacer with concave next, what direction does the concave go,? what does it do?
thanks art | | | | | Joined: Feb 2004 Posts: 29,773 Kettle Custodian (pot stirrer) | | Kettle Custodian (pot stirrer) Joined: Feb 2004 Posts: 29,773 | The spacer prevents the timing gear from going onto the cam snout far enough to lock up the gear against the thrust plate. If you measure the spacer with a micrometer or a dial caliper, it should be a few thousandths thicker than the thrust plate. I can't say which way the concave goes, but it really shouldn't matter since the spacer is sandwiched tight between the gear and the cam.
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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