Quote:
Originally Posted by bugsiegel
I'm just a little confused though. If the bell housing is tight to the block and the trans is tight to the bell housing where is the adjustment possible? It sounds to me that once the trans is tight to the block the out put shaft will land where it lands? Unless spacers are used between the bell and the block?
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Well, that sounds logical, but it isn't. The front mounts are rubber. If you have no rear mount, the trans will hang down. As you support the trans with a crossmember, how you fabricate the crossmember will determine the inclination of the engine.
Generally, if you're installing an drivetrain from scratch, you want a few degrees down. Really, the key is that your crankshaft & transmission output shaft centerline is parallel to the pinion centerline.
This is usually accomplished with a magnetic angle finder. Measure the angle of the pinion at ride height. Then fabricate your new transmission mount so the output shaft of the trans has the same angle. Parallel...not pointing at each other.
If you do not do this, you may develop driveshaft vibrations and/or destroy u-joints.