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Camshaft timing marks 1922/28 4 cyl chevy


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  #1  
Old 10-08-2018, 02:13:46 PM
Rod Gaffrey Rod Gaffrey is offline
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Default Camshaft timing marks 1922/28 4 cyl chevy

I need to find a Guru with experience setting the camshaft to crankshaft timing marks on the early 4 cyl chevy motors.
The book show's when the timing marks on the camshaft and the crank shaft are lined up, there should be 14 teeth between crankshaft timing mark and the centerline of the keyway on the camshaft.
I have three gears here that have 15 teeth between camshaft/keyway centerline and the camshaft timing mark.
What am I missing?
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Old 10-08-2018, 06:58:55 PM
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Jack Innes Jack Innes is offline
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Default Re: Camshaft timing marks 1922/28 4 cyl chevy

Could it be that the tooth that is lined up with the mark is not considered "between" the mark & keyway?
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Old 10-08-2018, 07:08:08 PM
J.B. Castagnos J.B. Castagnos is offline
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Default Re: Camshaft timing marks 1922/28 4 cyl chevy

Set it where you think it should be, place the lifters on the #1 cylinder lobes. When the piston moves from top center either way, one lifter or the other should move if your not on the firing stroke, if nothing happens turn it one round and try it. It's obvious when it's correct.
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Old 10-09-2018, 06:56:26 AM
Phil P Phil P is offline
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Default Re: Camshaft timing marks 1922/28 4 cyl chevy

Quote:
Originally Posted by J.B. Castagnos View Post
Set it where you think it should be, place the lifters on the #1 cylinder lobes. When the piston moves from top center either way, one lifter or the other should move if your not on the firing stroke, if nothing happens turn it one round and try it. It's obvious when it's correct.
Hi

This is the way I check all of my camshaft installations regardless of the marks.

Phil P
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Old 10-09-2018, 08:25:52 AM
BHoward BHoward is offline
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Default Re: Camshaft timing marks 1922/28 4 cyl chevy

Do what he said.
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Old 10-09-2018, 10:42:58 AM
Rod Gaffrey Rod Gaffrey is offline
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Default Re: Camshaft timing marks 1922/28 4 cyl chevy

Thanks.
I had it set fourteen teeth apart and will leave it there.
Makes one wonder how many early Chevys are running around with the camshaft retarded one tooth.
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Old 10-22-2018, 11:49:33 AM
edisondiamond edisondiamond is offline
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Default Re: Camshaft timing marks 1922/28 4 cyl chevy

Vintage Chevrolet Club of America site;
https://vccachat.org/
Some areas are open, like the teck section, others are closed.
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