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Old 09-15-2012, 02:05 AM   #15
Slow Build
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Join Date: Sep 2009
Location: California Delta
Posts: 2,163
Re: How about some pics of bagged 60-66

Here are some quotes from other threads from smarter people than me.

Quote:
Originally Posted by Tx Firefighter View Post
It puts the bottom of the u bolts below the wheel rim, which is illegal in a lot of states.
Quote:
Originally Posted by jonzcustomshop View Post
thats called a scrub line, if you have a flat, you want to still be able to roll with out digging in.

Quote:
Originally Posted by lakeroadster View Post
I wanted to mention that from a safety perspective 1-1/2" rear lowering blocks are the most you can go with if your are running 15" wheels, due to scrub line issues. Otherwise if you get a flat rear tire the trucks lower shock bracket will be diggin into the pavement..... not a good thing.

If you want to go more than 1-1/2" then you need to increase wheel diameter.

So if you have 18" dia. wheels you could use 3" blocks, as follows:
18" dia. - 15" dia. = 3" diameter difference,
3" dia. / 2 = 1-1/2" radius difference,
1-1/2" increase in wheel radius + 1-1/2" blocks = 3" blocks
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Name: Rich
Current Ride: 1964 C-10 Short Fleetside
Daily Driver: 2005 GMC crew cab short fleetside /2001 Chevy Tahoe
Past GM Trucks:
1959 GMC short stepside
1968 GMC short stepside-4x4
1973 Chevy short stepside
1989 Chevy short fleetside-reg cab
1993 Chevy short fleetside-Xcab
2002 Chevy short fleetside-Xcab

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