I'm not sure but I think its 3 degrees positive. I am about to "lower" my pinion back down as it is defintely to high but I didn't know better back when I did it. My nephew says they use a guage of some sorts at Freightliner Chassis Co. and he may be able to help me get it right. He mentions something about checking it at the starter and tranny but it would depend on what set up you are running. I think the tranny as mentioned above would do it. I'm sure someone else will be along that can be more positive help.


1937 Chevy Pickup
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1952 Chevy Panel
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1950 Chevy Coupe
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I'd rather walk and carry a Chevy hub cap than ride in a Ferd.
I can explain it to you, but I can't understand it for you smile