I have a 02 F350 4X4 7.3 Ford removed the 4'' block under the springs, and inst. 2'' block. They have re-aligned the drive angle twice, but i still have a vibration, under load [5th wh] up to 20-25 mph. It has also had 2 rearends by 75tho. Dont know if they are related! ldsmss
if your bike is air cooled, don't use rotella. aircooled motors operate at a higher temp. than liq. cooled. you cannot go wronge using manufactures product. ldsmss.
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