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Old 03-28-2014, 07:29 PM   #4
CST10
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Join Date: Sep 2013
Location: Gonzales, La
Posts: 1,441
Re: timing for 285 horse good wrench crate motor

I use straight mechanical advance. No vacuum advance. I use 91 octane gas and set it like the post above. Vacuum advance is better for gas mileage though.
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Goldilocks the "Ol School Survivor" 1968 C10, SWB Stepside, 08/15 TOTM, 250 CI 6 cylinder, 3 on the tree, 3.73 rear, 3/5 static drop, 23,500 original miles.
Samson the 1970 CST10, LWB, 462Ci, Turbo 350 tranny, 3.08 rear gear, PB, PS, A/C, AM/FM, 2/4 Drop.
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