Hi, I thought this would be the correct section to post this question. Umm, I have lowered my '72 Satellite to the point where the rockers are 7'' off the ground. I don't have the center chunk installed in the rear end housing, and I don't even have a driveshaft for the car yet. My worry is... what if the driveshaft ends up in a straight line with the transmission yoke? I understand that universal joints require an angle of some sort between the two moving parts. Does anyone have a thought on whether or not I should be concerned about that possibility? I really do not want to change the ride height of the car because it looks perfect with the size tires that I bought. I tried to add pictures to this post, but I am puzzled about that situation too!

Thanks!

Tangentially I suppose it might be relevant. But drive shaft angles are important regardless of application, street only, drag race, off road, etc. Unless you rotated the housing or changed the location of the tail shaft it's not likely to have changed but you can check it easy enough.

Here's a calculator that does the math for you, you do have to measure the angles though. I have a fancy digital protractor that measures to the tenth of a degree.

http://spicerparts.com/calculators/driveline-operating-angle-calculator

How to measure, cause someone will ask

http://www.hotrodhotline.com/md/html/drive_shaft_harmonics.php

Thanks, I'll check it out. I can adjust the rear pinion angle with the 4-link, and I figure that the rear portion of the drive shaft tunnel will have to be raised too.

if you have a smartphone, get the Tremec app, it includes an angle finder and will calculate the angles for you..