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Car and Auto Forums > Chevrolet - Trucks 4 x 4 > 77 GMC k20 4x4 ...
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77 GMC k20 4x4 - 305 engine

by amjason7@[EMAIL PROTECTED] Feb 5, 2008 at 05:41 AM

My truck starts great and idles around 700-800 rpm, once you start
driving and then go into neutral or park it will rev up to 1000 rpm.
So when I am in DRIVE, and want to goto reverse - i go into neutral
and it revs so high the CLUNK is louder than i would like it before it
gets to reverse.

In drive and reverse it idles around 700-800 rpm.

any ideas?
 




 3 Posts in Topic:
77 GMC k20 4x4 - 305 engine
amjason7@[EMAIL PROTECTED  2008-02-05 05:41:24 
Re: 77 GMC k20 4x4 - 305 engine
Certainly <gStacey07@[  2008-02-05 21:25:58 
Re: 77 GMC k20 4x4 - 305 engine
amjason7@[EMAIL PROTECTED  2008-02-06 05:32:28 

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tan12V112 Fri Nov 21 7:07:16 CST 2008.