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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: Feb 2001 Posts: 96 Shop Shark | | Shop Shark Joined: Feb 2001 Posts: 96 | Measuring Caster, is the caster measured in relation to the ground or to the frame? If you lower the front end of the truck then the frame is no longer level with the ground like all the diagrams. | | | | | Joined: Sep 2003 Posts: 2,384 Shop Shark | | Shop Shark Joined: Sep 2003 Posts: 2,384 | its measured against the frame relative to the ground, values are usually different for diff frame angles. | | | | | Joined: Nov 2005 Posts: 238 Shop Shark | | Shop Shark Joined: Nov 2005 Posts: 238 | The Dunlop made tool that I have for measuring caster angle uses a pair of spirit level bubbles which give a caster angle reading relative to the ground which needs to be level to get a true reading.
when it's measured relative to ground, dropping the ride height at the front only would probably change the amount of caster angle, and you may need to fit thicker or thinner spring wedges to correct it. | | | | | Joined: May 2007 Posts: 275 Shop Shark | | Shop Shark Joined: May 2007 Posts: 275 | I think you would just have to readjust the caster, because if you add spring wedges, it would raise the front up again. However, if you using drop spindles, you may not have to adjust the angle.
No better smell than that of fresh paint. I've been building and painting cars/trucks for 47 years. Not gonna stop now. http://www.coxcustomcars.com/ | | | | | Joined: Nov 2006 Posts: 60 Wrench Fetcher | | Wrench Fetcher Joined: Nov 2006 Posts: 60 | MEASURING CASTER CAN BE QUITE SIMPLE IF YOU HAVE
ONE OF THOSE INEXPENSUVE ANGLE FINDERS FROM YOUR
AUTO PARTS STORE. SIMPLY PLACE IT ON THE GROUND
IN YOUR DRIVEWAY UNTIL YOU FIND A FAIRLY LEVEL
SPOT AND THEN PARK YOUR TRUCK THERE. THEN PLACE
THE ANGLE FINDER ON TOP OF YOUR KING PIN AT THE
TOP OF THE SINDLE AND READ THE DEGREE OF ANGLE.
READ BOTH LEFT AND RIGHT SPINDLES. THEY SHOULD
BE ABOUT THE SAME. IDEALY YOU MIGHT WANT THE
RIGHT CASTER A LITTLE HIGHER THEN THE LEFT
BECAUSE OF THE CROWN IN THE ROADWAY | | |
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