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09-30-2004, 04:34 PM
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#1 |
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Registered User
Join Date: Aug 2004
Location: san marcos,tx
Posts: 266
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1972 GMC 2500 Timing Degrees?
Any Ideas? Fully stock. 6 degrees? 8? little help please
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72 GMC sierra 3/4 ton 402 bb  68 GMC 3/4 ton  2010 camaro rs: daily driver |
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09-30-2004, 05:08 PM
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#2 |
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Registered User
Join Date: Aug 2004
Location: san marcos,tx
Posts: 266
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sorry, would help if i put the engine displacement in there, it's a 402cid
sitting at about 4 degrees btdc, trying to make the deiseling stop
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72 GMC sierra 3/4 ton 402 bb 68 GMC 3/4 ton 2010 camaro rs: daily driver |
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09-30-2004, 06:24 PM
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#3 |
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its all about the +6 inches
Join Date: Jan 2001
Location: Hilliard Ohio
Posts: 2,690
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Is it idling high? You running low grade fuel?
It shouldn't do that with 4 degrees. I'm thinking (but not sure) that iyt is supposed to be 6 or 8 degrees, which would make your engine behave worse. |
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