02-05-2012, 12:09 PM
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CC Member
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Join Date: Dec 2001
Location: Louisville,
KY
Cobra Make, Engine: I'm Cobra-less!
Posts: 9,417
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Not Ranked
A lot of things affect how much total timing an engine likes....such things as chamber design, compression ratios, etc. On a CHI headed Cleveland, total timing of 28-30 degrees is not unheard of...
You won't really know how much total is perfect for your particular combo without sticking it on a dyno, but if you stick it there, you'll be pretty stinkin close.
I've ran 18-20 degrees initial on some FE's, and it's not a problem if you have the starter to flip her over.
The beauty of the MSD is that you can change the curves pretty quickly. I would look at MSD's charts, aim for around a 2800 "all-in" rpm, then experiment from there. The reason I said that you won't really know what's best for you unless you stick it on a dyno is because a Cobra is so quick anyway that you probably won't be able to tell a 15-20hp bump by the seat of your pants. However, it never hurts to try different things.
Last edited by blykins; 02-05-2012 at 12:16 PM..
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