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Old 11-05-2007, 06:15 AM
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327 Timing/Plug gap questions

I have a 327, bored 30, flat top pistons, 204/214 cam, 300 horse double hump heads, HEI ignition and holley 600.. What should the plug gap be, 35 and how hot of plug, any suggestions on type and number - have been using autolite 145? What should the total timing be? thanks

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Last edited by 67ssguy; 11-05-2007 at 01:04 PM.
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Old 11-05-2007, 08:04 AM
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Depends on your ignition source.
1. If still points with the original coil: .035"
2. If HEI: probably about .045"-.055"
With those heads, I would think you should shoot for 36-38 degrees, total advance.
I'm sure other, more informed people will elaborate.
JA
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