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Original Message
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Timing recommendations for low compression 390? |
By Charles - 11/08/2001 8:39:06 AM; IP 207.121.52.30 |
I am putting together a 390 for my truck that will be used for hauling/towing. Empty truck is 6700 lb. 4.88 gears, 0.85 OD (2570 rpm at 60 mph). Pistons are the 390/410 low compression truck (Sterling 381P), cam is a Crane dual pattern 260-2H. Haven't measured my head volume yet, but I'm assuming my CR will be around 8.0:1. I plan to run 87 octane gas.
I am not familiar with the tolerance of the FE combustion chamber to advance and octane. Any recommendations for initial timing, distributor recurve, and vacuum advance? I have an adjustable vac.advance canister on a stock distributor with a Pertronix ignitor. Thanks. |
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