View Single Post
  #121 (permalink)  
Old 07-18-2016, 04:02 PM
Texasdoc's Avatar
Texasdoc Texasdoc is offline
CC Member
Visit my Photo Gallery

 
Join Date: Feb 2012
Location: Keller, TX
Cobra Make, Engine: Lonestar Classics LS427. Self-built 408W, AFR 195 heads, Performer RPM Intake, Quick Fuel 750, 407rwhp, 479rwtq
Posts: 549
Not Ranked     
Default

From memory:
Bore - 4.030
Stroke - 4
Rod length - 6.2
Cylinder cc - 72
Piston dish - 15.8
Piston to deck - 0.017
Head gasket thickness - .030
Head gasket bore - 4.060

Static compression - 9.55:1

AFR recommends those plugs "as a starting place" with these heads.
Reply With Quote