Quote:
Originally Posted by taff2
My custom solid flat tappet from Comp was 250/248 @.050" and .600" lift on a 421 combo, and it drove like a stocker.
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Taff, yours is fairly close to mine. Mark spec'd mine at 252/256 @.050" and .596"/.607" lift with 1.65 rocker, 114° Lobe Separation. It uses UF282 Master Intake Lobe and UF286 Master Exhaust Lobe. This is for my street 461. He said to install it at 110° Intake Centerline.