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Old 07-19-2017, 09:01 AM
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Location: White City, SK
Cobra Make, Engine: West Coast, 460 CID
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Originally Posted by MaSnaka View Post
I'm in the process of replacing the short block 390FE in my car. Considering this an opportunity to make a power upgrade and installing a 390 stroker with a hydraulic roller. I will hook it up to a TKO600 with .64 overdrive, 370 rear end. This will be sourced from Barry at Survival. Any thoughts or experience you can share? I already have edelbrock RPM heads and intake AED 750 mech carb, currie 9".

0.64;1 OD with a 3.70:1 rear end gives you an effective ratio of 2.37:1. I've seen others comment on regrets of going that low, perhaps wishing they'd gone with a 0.82:1 (eff FDR of 3.03:1). To be fair, there are fans of both and, of course, it depends upon typical speed limits, camshaft selection, tire size, etc.

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