Thread: 2x4 Holley carb problem
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Old 07-09-2004, 10:33 PM
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SCOBRAC SCOBRAC is offline
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Join Date: Jan 2002
Location: Northern California, CA
Cobra Make, Engine: -Sold- Contemporary 427S/C # CCX-3152 1966 427 Med Rise Side Oiler, 8v 3.54:1 Salisbury IRS, Koni's.. (Now I'm riding Harleys)
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Sorry to revive this thread, I know it's been awhile. How did this all work out for you? How are the 660's in general.

I ask because I just bought a pair for my 427. I'm at 11:1 compression 263@.050 with .500 lift ( I think what ford speced as a 306 degree cam, maybe a little more)

I felt like the 450's I was running on my 428 were ok but I know there is more to be had from this 427. Any opinions??
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