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Old 02-16-2011, 09:22 PM   #1
7111127
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bagged 1970 gmc

ive got a 1970 gmc i working on as project and ive got some ?s

this is 1st truck i am tryin 2 bag im not looking 2 set the frame on the ground but would like it low can i just put bags in place of all the coil springs? cnotch the frame
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Old 02-16-2011, 09:49 PM   #2
72BlckButy
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Re: bagged 1970 gmc

7111127... that is exactly how you want to bag your truck as it is the simplist of installs. The easiest would be to replace the springs with bags, bolt in a c-notch and use schrader valves to air up the bags. When time/money allows add an air management system (lines, compressor, tank, valves, etc.) and you're set.

BTW... to the board!

For more info search through some of the projects and builds found here: http://67-72chevytrucks.com/vboard/f...play.php?f=115

And run a search for "bagged" in the Project and Builds section, as well as in the Suspension section. The best advice I can give is to read the posts made by fellow members as you can learn (and save money) by seeing what works and what doesn't.

Let us know if you have additional questions.
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1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6)
1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior)
2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)

Last edited by 72BlckButy; 02-16-2011 at 09:51 PM.
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Old 02-16-2011, 11:44 PM   #3
Mad Rods
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Re: bagged 1970 gmc

Welcome from West Texas!
I had the same plan but then I said screw it let's lay this one on the ground. But if I would of gone the other route I never would of stripped my truck down ALL the way but it would of already been on the road though!!
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Old 02-17-2011, 07:38 PM   #4
7111127
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Re: bagged 1970 gmc

thanks for the help guys i got another ?
do i need 2 get drop drop spindles along with bagging it or can i just put a bag in and get the same drop?
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Old 02-17-2011, 07:56 PM   #5
jimmydean
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Re: bagged 1970 gmc

The spindles will give you as much as the spindles give. So a 2" drop spindle will be 2" lower.

My '69 was 4 bags, 8 valves, single comp, single tank, and 7 switches. I didn't notch the frame, but that would have gotten my truck about 3" or more in the back than this picture.



<edit> I had 2" (or 2.5?) drop spindles with front discs, also.
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Last edited by jimmydean; 02-17-2011 at 07:57 PM.
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Old 02-17-2011, 09:41 PM   #6
72BlckButy
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Re: bagged 1970 gmc



Drop spindles will bring you just that much lower...
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1969 CST SWB - Project Blank Slate (4.5/6" ECE Static Drop, 6-lug disc brake upgrade (manual), Billet Specialties Vintec 20x8.5 255/40 (F) 20x10 295/40 (R), 250 I-6)
1960 AMF Skylark - Tot Roddin' (Lowered with custom frame; soon to include custom push bar and interior)
2008 Silverado CrewCab 1LT (5.3L, 3:73, 4x4, LT1, Z-71, Towing Package)
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