View Single Post
  #104  
Old 09-13-2020, 02:03 PM
lust4speed's Avatar
lust4speed lust4speed is offline
Ultimate Warrior
 
Join Date: Jul 2002
Location: Yucaipa, SoCal
Posts: 8,836
Default

Quote:
Originally Posted by ponjohn View Post
How can spun bearings lock it up?
Babbitt gets hot enough to move around the shell and builds up and grabs the crank. Swapping an upper and lower shell where the lower doesn't have the oil hole can cause the mayhem. Except most bearing companies seem to use a pair of thrust bearings with holes in both shells now. Or too tight of clearances will cause the same result - maybe placing the cap on backwards ate up the thrust clearance?

__________________
Mick Batson
1967 original owner Tyro Blue/black top 4-speed HO GTO with all the original parts stored safely away -- 1965 Catalina Safari Wagon.