This is in my oem 400, stock bottom end, 6x-4 heads by Racing Head Service built for Comp 292 cam, so springs are for the 292. Comp roller tip rockers, Hooker headers, Torker II intake, Holley 4150 dbl pumper, torque converter 2500 stall, 3:23 ring & pinion. I may install a dual plane intake, and the oem quadrajet to tone things down? What do ya'll think about the valve springs?
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