static drop w/20's - The 1947 - Present Chevrolet & GMC Truck Message Board Network

byrd · 06-26-2007, 05:35 PM

How low can I go using drop spindles and springs only without modding the inner fenders or tire rub issues. Wheels that are possiblly using are 20x8.5 (4.5 or5 backspacing)in the front. TIA ...Randy

gringoloco · 06-26-2007, 06:03 PM

As low as you want. I would not do more than 3" springs 'cause it won't align. Go with at least 5.25 BS for a 8.5" wheel so that the wheel 'tucks' in a little; that will keep you from rubbing when you hit a bump.

I have done exactly this with a 255/70-15 which is the exact same as a 255/45-20 (29" tall). It could easily go another inch with no problems...

-Chris

droppedgmc · 06-27-2007, 12:20 AM

do you have truck arms in the rear? im running a 20x8.5 and 20x10 both with 4.5" of bs. no probs at all and im lowered 4.5/7. im also running an adjustable panhard bar to center the rear after i lowered it. tires are 255/40 and 295/40
pics http://67-72chevytrucks.com/vboard/s...d.php?t=244913

06-26-2007, 06:03 PM	#2
gringoloco A guy with a truck Join Date: Sep 2005 Location: Germany, for now Posts: 5,921	Re: static drop w/20's As low as you want. I would not do more than 3" springs 'cause it won't align. Go with at least 5.25 BS for a 8.5" wheel so that the wheel 'tucks' in a little; that will keep you from rubbing when you hit a bump. I have done exactly this with a 255/70-15 which is the exact same as a 255/45-20 (29" tall). It could easily go another inch with no problems... -Chris __________________ -Chris Instagram _elgringoloco_ '70 Short-Wide How to: Ruin a perfectly good C10 ‘70 Blazer ConversionHow To: Ruin a Perfectly Good 4wd '72 Highlander How To: Ruin a Perfectly Good K/5 (SOLD) '72 Blazer 2WD How to: Ruin a perfectly good Blazer (SOLD) '05 Yukon Daily Driven (not so stock) Yukon (SOLD) ‘07 Yukon Denali (daily) Members met list: SCOTI, darkhorse970, 67cheby, 67cheby'sGirl, klmore, porterbuilt, n2billet, Fastrucken, classicchev, Col Clank, GSFMECH, HuggerCST, Spray-Bomb, BACKYARD88, 5150, fine69, fatbass, smbrouss70, 65StreetCruiser, GAc10boy

06-27-2007, 12:20 AM	#3
droppedgmc Truck Enthusiast Join Date: Dec 2006 Location: Arlington, WA Posts: 1,346	Re: static drop w/20's do you have truck arms in the rear? im running a 20x8.5 and 20x10 both with 4.5" of bs. no probs at all and im lowered 4.5/7. im also running an adjustable panhard bar to center the rear after i lowered it. tires are 255/40 and 295/40 pics http://67-72chevytrucks.com/vboard/s...d.php?t=244913 __________________ '85 swb Last edited by droppedgmc; 06-27-2007 at 12:22 AM.



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