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Old 04-09-2009, 10:54 PM   #103
RunninLo
3DrDwn--the 'burb not the band
 
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Join Date: Jan 2007
Location: missoula, mt
Posts: 598
Re: 72 suburban "3drdwn"

OK so I actually knocked the dust off the burb frame today and dealt with that rolled portion of the frame that is folded down about half an inch. It was a win/lose(win?) sort of day.

While dealing with that last bit of clearance allowed the frame to lay flat, firmly planted on terra firma (WIN ) it did reveal a wheel/tire diameter issue.
In the pictures the frame is still rolling the stock 235/75/15 which has an outside diameter of ~28.87":




anybody notice that all 4 tires are sitting on 2x4 box tubing and the frame STILL plants flat.

Now my 20's are fitted with 245/35/20 which have an outside diameter of ~26.75". That effectively would allow me to swap to 3" tubing under the tires and still lay the frame flat out.
This situation is effectively wasting 3" of my suspension travel.
now I could go back to my stock spindles up front and space my bags in the back. I could also put some balloon rubber on my 20's and get a plusher ride.

Honestly though I think I'm going to begin the process of begging my wife to let me upgrade to 22's. I do have the fact that she likes my 20s and they fit her 66 conti going for me. Only time will tell.

Well back to being a dad but the weather is finally warming so we should see some more progress on this thing soon.
Josh
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Slo and Lo that is the tempo.
'72 burb build page here:
http://67-72chevytrucks.com/vboard/s...d.php?t=259256

'89 GMC Dually crew build page coming soon.
88 4x4 crew DD

duallys past/present pics here:
http://67-72chevytrucks.com/vboard/s...46#post4001246

89 1 ton Dually rear flip kit install here:
http://67-72chevytrucks.com/vboard/s...d.php?t=354327
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