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dougminton · 05-10-2010, 03:03 PM

I need some help with ignition timing. Its a 462 10 to 1 compression oval port heads with big valves .590 intake .610 exhaust camshaft single plane intake holley 780 MSD HEI. Current timing is 15 initial 36 total. Any help would be greatly appreciated.

05-10-2010, 03:03 PM	#1
dougminton Registered User Join Date: Mar 2009 Location: norman okahoma Posts: 269	Big Block ignition timing I need some help with ignition timing. Its a 462 10 to 1 compression oval port heads with big valves .590 intake .610 exhaust camshaft single plane intake holley 780 MSD HEI. Current timing is 15 initial 36 total. Any help would be greatly appreciated. __________________ The TEAL GMC build thread is HERE 1972 GMC SWB 454 oval ports TH400 fastest 1/4 mile time so far 13.05 @ 104 If you think you have too much horsepower you obviously have a traction problem !