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Re: lumpy idle

To: lottala@mail.auburn.edu
Subject: Re: lumpy idle
From: barneymg@juno.com (Barney Gaylord)
Date: Wed, 25 Feb 1998 17:28:24 EST
On Wed, 25 Feb 1998 12:10:34 -0600 Alan Lott <lottala@mail.auburn.edu>
writes:

>..... Well, after all of the following...
>
>carbs recently rebuilt by Jim Taylor 
>carbs equalized and adjusted
>fuel pump- ok
>new fuel filter
>new points
>new condenser
>new rotor
>new dist cap
>new plugs
>new coil
>plug wires seem ok
>checked the dwell per spec- ok
>checked the timing per spec- ok
>
>...the idle is still lumpy. ..... At higher RPM, there is a faint miss
that is not really rythmic, but more intermittent. At idle, the car runs
very rough with the miss being much more pronounced .....

You need to do a compression check.  Sounds like you may have a burned
valve and low compression on at least one cylinder.  Or maybe just a
valve adjusted too tight.

Barney Gaylord
1958 MGA with an attitude

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