PMD,
I like the mileage I get with the 2.78 rear, but it lays down too much smoke when I mash it and I'd rather burn off two tires at a time than one using a posi. I have the 3.55 rear, I just have to put it in.
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1967 Firechicken, 499", Edl heads, 262/ [email protected]" duration and 0.627"/0.643 lift SR cam, 3.90 gear, 28" tire, 3550#. [email protected] mph with a 1.45 60'. Still WAY under the rollbar rule.
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