Compression Testing ....(Hot vs Cold)?
My 289 was rebuilt 4 summers ago now and I'm not sure if my rings are still seating.
The reason I say this is there is a difference in the hot vs cold readings.
Basically the "cold" readings are:
The "hot" readings are:
Is there supposed to be that much of adifference between the hot and cold readings?
Also, when i squirt oil in the cylinders some of the jump up to 170 and 175.
Does this tell me anything about my rings and if they are seated properly?