joefarmer
MR. Supreme Overlord
- Joined
- Jul 31, 2006
- Messages
- 6,137
I'm chasing a harmonic issue with my latest 2006 CR build. Every 2nd burnout the flexplate to crank bolts come loose. Been using red loctite and tried both 95 & 105 ft/lb.
Specs:
What's causing the flexplate to crank bolts to back out on every other burnout?
Specs:
- 12v crank with 12lb shaved off. Came from a reputable shop that said it was straight and balanced.
- ATI Superdamper, prototype that was run on my 12v too.
- New BD flexplate, replaced older BD flexplate that was run in my daily without issues.
- Balanced and matched CR rods.
- Balanced and matched CR pistons.
- Converter was run with the 12v and fully balanced.
- Transmission internals were run with the 12v without issues.
- New Suncoast 4x4 OD 2WD conversion housing and yoke support.
- New 4" chromoly driveshaft fully balanced.
- Custom pinion brake setup. Found zero-runout on it.
- Ford 9" rearend setup exactly like it was in the 12v.
What's causing the flexplate to crank bolts to back out on every other burnout?
Last edited: