Quote:
Originally Posted by jholley
I've considered that the transmission may be the root cause too. I'm putting a different one in on Monday. I'll let you know what happens.
When I talked to ECE yesterday, Stan (I think) told me that lowering these trucks actually improves the borderline excessive pinion angle the trucks had from the factory.
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Drive line and pinion angles are not the same, dropping does improve driveline angle but a 5" drop w/o a 2" lowering block changes the pinion angle ~5.6* and a 3" drop with a 2" lowering block (5" total drop) changes the pinion angle ~ 3.3*. Assuming the pinion angle was perfect before the drop both of the above changes puts it out of spec (IMO). While it is apart would be a good time to at least verify your angles a cheapo angle finder would work for this.
All angles were calculated on cad layout with real word dimensions.
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1965 GMC shortwide big window
1969 Chevy C20 long (for now)
2005 Silverado 2500HD Crew Cab
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