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PY Online Forums - Bringing the Pontiac Hobby Together > General Classic PONTIAC TECH > Pontiac - Street > 1st test drive. (Motor built by GTOFREEK- Paul Carter)
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Old 08-20-2019, 11:03 PM
Sun Tuned Sun Tuned is offline
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Any chance this thing might have a cam drive gear pressed on the back of the cam?
Any chance it's pressed/ machined not quite right causing an elliptical deal?

Runout check on it if it comes out...

  #2  
Old 08-21-2019, 01:36 AM
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STEELCITYFIREBIRD STEELCITYFIREBIRD is offline
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Quote:
Originally Posted by Sun Tuned View Post
Any chance this thing might have a cam drive gear pressed on the back of the cam?
Any chance it's pressed/ machined not quite right causing an elliptical deal?

Runout check on it if it comes out...
Would that be a viable, probable cause, for rapid wear of lower distributor bushing?

With that, have you checked for a repeat failure there?

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Old 08-21-2019, 07:16 AM
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grivera grivera is offline
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Originally Posted by Sun Tuned View Post
Any chance this thing might have a cam drive gear pressed on the back of the cam?
Any chance it's pressed/ machined not quite right causing an elliptical deal?

Runout check on it if it comes out...
It's a Lunati billet roller cam and gear is not press on type

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'69 Firebird, 400/461, 290 Eddy D-Ports, HR 230/236, 4l80E, 8.5 Rear, 3.55 gears
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  #4  
Old 08-21-2019, 01:18 PM
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Va68goat Va68goat is offline
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grivera,
Paul did say the old gear had some wear. He may be able to elaborate on that.

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