Posted by Vaughn in CA [99.110.85.97] on Thursday, February 28, 2013 at 11:16:50 :
In Reply to: M37 engine Help please! posted by 5 of Johns 5 are 4x4 [166.70.201.2] on Thursday, February 28, 2013 at 10:31:29 :
If the head length is 25 inches - 251. The engineering code for the M37 is T245, side of block, behind water pump, drivers side.
Probably excessive rod clearance on one of the rods. Good indication is reduced oil pressure once the engine is warmed up.