Engine rebuild cam

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Nov 15, 2014 | 10:40 AM

vetteOnTheRun

Thread Starter

Racer

Joined: Aug 2011

Posts: 343

Likes: 10

Engine rebuild cam

Guys I just stripped my down to the block and am getting ready to send it over to my engine builder/machinist. I noticed that the factory cam actually looks bigger than the cam I am replacing it with. I'm not a cam expert but the over all lobe(s) height of the factory cam is bigger than my comp cam 230/236 cam. Is this normal?

Nov 15, 2014 | 02:44 PM

65Z01

Team Owner

Joined: Dec 2000

Posts: 90,675

Likes: 304

From: SE NY

Cruise-In II Veteran

What year Vette & what motor??

Is is possible that the current cam is not OEM?

Nov 15, 2014 | 02:55 PM

vetteOnTheRun

Thread Starter

Racer

Joined: Aug 2011

Posts: 343

Likes: 10

Quote:

Originally Posted by 65Z01

What year Vette & what motor??

Is is possible that the current cam is not OEM?

1993 and I am 100% sure the old cam is factory. I went on YouTube and seen a vid on how to measure a cam and the numbers come out perfect. It just seems odd that the overall lobe height is actually bigger on the factory cam. No big deal I think I got everything figured out.

Last edited by vetteOnTheRun; Nov 15, 2014 at 03:15 PM. Reason: Updated info.

Nov 15, 2014 | 03:48 PM

89onlyZ51

Burning Brakes

Joined: Aug 2006

Posts: 1,061

Likes: 99

From: Seattle WA

The factory cam probably has a bigger base circle.

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