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Old 03-17-2011, 10:11 PM   #1
1986 Scotty
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It sounds like a diesel! HELP!

I just bought a 86 scottsdale. It sounds like a diesel when i floor it. It makes a clattering noise. When i have it in park and floor it I dont hear it but if i floor it when its in drive I can hear it. It gets progressively worse.
Any ideas??????
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Old 03-17-2011, 10:23 PM   #2
old Rusty C10
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Re: It sounds like a diesel! HELP!

sounds like pre ignition.. make sure your timing is good you may have to retard it a hair and then throw some dry gas in there and dont buy gas in the place you bought it last as that will prolly be the culprit if you are on the mark with timing
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Old 03-17-2011, 10:30 PM   #3
1beatnik
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Re: It sounds like a diesel! HELP!

Cheak timing and reply
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