View Single Post
  #16  
Old 05-29-2020, 06:40 PM
TransAm 474's Avatar
TransAm 474 TransAm 474 is offline
Chief Ponti-yacker
 
Join Date: Jun 2004
Location: Cape Fair,Mo
Posts: 795
Default

Quote:
Originally Posted by taff2 View Post
My custom solid flat tappet from Comp was 250/248 @.050" and .600" lift on a 421 combo, and it drove like a stocker.
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.

__________________
1978 Trans Am
Pump Gas 461 Stroker