Subscribe to Precision Engine
Sign up for our E-newsletterCLAMPING OUR HEADS Using ARP moly lube on our stud threads and nuts (and on both sides of each washer), all nuts were tightened to a value of 65 ft-lbs, with the exception of the four special inboard (lifter valley side) studs, which were tightened to 45 ft-lbs. Note: Because the four lower outboard studs [...]
Tag: CYLINDER HEADS
Project 632, Part 4 (4C)
Posted By Mike Mavrigian,
May 26, 2009 ·
No Comments »
LIFTERS Cyl. No. Lifter cup orientation (per lifter pair) 1-close together 2-far apart 3-far apart 4-close together 5-close together 6-far apart 7-far apart 8-close together Our mechanical roller lifters are Crane’s offset Ultra Pro R/T lifters, P/N 13571-16. With the lifters soaked with 30W oil, these were slid into the lifter bores. Because of the [...]
Project 632, Part 4 (4B)
Posted By Mike Mavrigian,
May 26, 2009 ·
No Comments »
Our Dart Big Chief II cylinder heads came equipped with Dart 1.625T 330 lb. @2.100″/0.910″ max Comp 948 triple valve springs, but since our Crane custom billet cam specifically calls for their 928 lb. springs, we performed a spring swap. Our Victory titanium intake valves measured 2.470″, while the exhaust valves measured 1.800″. Our Crane [...]