Ignition Timing Curve Thoughts

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#6 (permalink)

07-14-2013, 07:50 AM

YerDugliness YerDugliness is offline

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Join Date: Sep 2006

Location: No city...only 118 residents in Manter, KS

Cobra Make, Engine: Cobra Auto Works body, Ron Godell Racecars chassis, 1989 Mustang GT 5.0 HO (converted to carb), W/C T-5, 3.73's in a Ford 9" Traction-Loc.

Posts: 812

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Great reading....thanks, Tom!

That article really brings home the issue of compression ratio's effect on spark timing.

I have always been a fan of vacuum advance....however, I think my Mallory Hi-Fire system is mechanical, only. I may look into the possibility of adding vacuum advance....if it needs it. Right now I think the long block is box-stock 1989 Mustang GT/5.0 HO.

Cheers!

Doug

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