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Re: Long Backfire

To: "Cullen Bennett" <r51465@email.sps.mot.com>
Subject: Re: Long Backfire
From: James Barrett <jamesbrt@mindspring.com>
Date: Thu, 25 Jan 2001 17:31:41 -0500
Cullen,
        Thanks for the idea.  Will check the lift on the cam.
Had a Ford Motorsports cam in several years ago and it wiped
a couple of lobes at 15k miles. In that case I found a lot
of cam and lifter metal in the crank case and the oil cooler.
The oil has been clean the last several time I have pulled
the oil pan.  

At 12:54 PM 1/24/2001 -0700, you wrote:
>James,
>I had a car one time that exhibited similiar symptoms. It was a 350
>chevy in an 81 corvette, so things may be different. The full symptoms
>were that it ran fair, but with a little sluggishness, while  driving it
>normally. However, when romping on it a bit, it would backfire through
>the carb consistently. I finally traced it to a couple of flat cam
>lobes. One of them was as close to totally gone as could have been done
>on a lathe. GM had quite a few cams going bad during that time period.
>When you said that you were able to re-adjust the valves on #1 and
>regain compression, I would suspect that set of cam lobes first.
>Just guessing....
>Cullen Bennett
>Tempe, AZ
>
James Barrett Tiger II 351C and others

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