Coil bind!? This is interesting - Team Camaro Tech
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post #1 of 3 (permalink) Old May 28th, 02, 03:57 PM Thread Starter
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Join Date: Apr 2001
Location: Beloit,WI
Posts: 52
As some of you know I have been having this problem with wearing out distributor gear in a very short smount of time(under 2500)miles.

Well I yanked the cam and there is deep grooves in the bearings. So I checked valve spring bind. Sure enough they are binding. The pisser is that when the shop redid the heads they were told to check to see if .480 will work OK. They checked them and said I will have no problem. Well since this is the second rebuild I had to do a differnent camwhich is only a .470. and they still bind.

Does anyone think that this problem might have led to fast cam gear wear?

Regular flat tappet cam(non-roller)

Thanks in advance,
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post #2 of 3 (permalink) Old May 29th, 02, 07:14 AM
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Join Date: Feb 2002
Location: Williamstown,PA
Posts: 500
Absolutely. When the valvetrain binds the cam will actually flex a little.

'69 RS Camaro
355 5-speed 4.11
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post #3 of 3 (permalink) Old May 29th, 02, 08:48 PM Thread Starter
Tech Team
Join Date: Apr 2001
Location: Beloit,WI
Posts: 52
That is what I was thinking. Now my next problem is that the cam bearing look worn. Thew binding sunk the cam jourals into the bearings. Naturally the will wear more at the bottom. but these bearing only have about 200 miles on them. And the wear looks worse than the bearing in abother bloock which has went from wisconsin to kentucky and back.

So now my dilema is..
Is there a way to change cam bearing while the engine is in the car?


[This message has been edited by 71 maro (edited 05-29-2002).]
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