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Re: Heavy vibrations
Quote:
Originally Posted by Mike C
Can't believe no one has suggested tires yet. Typically when things have been good and all of sudden there is a big change, tires should be considered. The relationship of the wheel tire combo is directly linear to speed as well.
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OP indicated he had new tires mounted and balanced twice...You need to do what the factory did, hold the primary driveshaft directly inline with the transmission. They both need to be as close to level as possible. Then your pinion angle should not exceed 1* degree below what the primary shaft angle is. The 1* degree will rotate to zero under load and whatever the angle of the secondary driveshaft is, it should not exceed 3* degrees...If your experiencing the vibration sitting still in park or neutral, disregard the above...
__________________
Michael of the clan Hill,
"Two Seventy Two's"
71 1-ton Dually 350 4-Speed
71 C/50 Grain Truck, 350 Split-Axle 4-Speed
02 3/4 ton Express
14 Indian Chief Vintage
1952 Ford 8N, "Only Ford Allowed On The Property" 
"Be American, Buy American" 
Last edited by Ironangel; 02-11-2018 at 02:39 AM.
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