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Old 03-13-2011, 11:11 AM   #115 (permalink)
NachtRitter
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Join Date: Dec 2008
Location: Placerville, CA
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Helga - '00 Volkswagen Jetta TDI
TEAM VW AUDI Group
Diesel
90 day: 54.39 mpg (US)

Mathilde - '99 Volkswagen Eurovan Camper
90 day: 16.87 mpg (US)
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Quote:
Originally Posted by Frank Lee View Post
It crowns up and expands to a larger O.D.?
...
I shall have to measure that...
I'm not sure he's saying that...

Quote:
Originally Posted by htvfd460 View Post
I can't check ride height if the wheels aren't attached to the truck on a flat surface. I wanted to see the correlation between the tire height versus ride height.
and
Quote:
Originally Posted by htvfd460
But that does make a difference anyway. I will rub over smaller bumps over inflated, but bottom out with lower pressure.
...
What I get out of these posts is that he's simply measuring the difference between the ride height and then making the assumption that the tire diameter is changing... so if the tires were under-inflated to begin with (28psi seems really low) and then they are pumped up, then naturally the ride height will increase... doesn't mean the diameter of the tire increases though.
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