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Old 10-11-2011, 12:50 PM   #1
dougminton
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Join Date: Mar 2009
Location: norman okahoma
Posts: 269
BBC timing question

I've got a .030 over 454 with 10:1 compression and a .615 lift cam.
What do I need as far as timing?
I'm running 91 pump gas and I'm conserned about not hearing detonation.
Currently have 18 initial 38 total, all in by 3000RPM.
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1972 GMC SWB
454 oval ports
TH400

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If you think you have too much horsepower
you obviously have a traction problem !
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