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10-19-2004, 07:01 PM
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Registered User
Join Date: Sep 2004
Location: Princeton
Posts: 25
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Question on 305 problems from new guy
I have an 86 305 in my 1/2 ton 2wd silverado. last summer I started to get bad bad gas milage i went from 15 to 8mpg then it started to idle rough so I put plugs wires cap rotor and a coil in. that didn't work. so then I put an egr valve in and it helped some it still gets bad milage and idles ruff and after my 2hour drive to college it misses. I have heard of head problems in this year is that what it could be?
 
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