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#1 |
Registered User
Join Date: Feb 2007
Location: Colorado
Posts: 255
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Rear suspension help
I recently lowered my 70 c10 4" in the back (and an unknown amount in the front but that's a story for another day). I've put new tires all around and had the front end aligned since I lowered it. The truck tracks fine going straight but when I go around a right turn of decent length (like an on ramp) at about 35 miles an hour the back end feels like it floats around the corner. I say floats because it feels just like the rear is sliding but the tires aren't losing their grip but it definetly isn't tracking with the front. I've only noticed it turning to the right but I can't remember making any similar turns to the left so it could do it in both directions. I installed an adjustable panhard bar when I lowered it and I thought I had it centered but now I'm not sure. Could the panhard bar being out of adjustment be causing this, and if so what is the best way to measure to make sure it is centered under the truck. Any other ideas of what might be making this happen? I have a rear sway bar that I want to put on but I want to get this fixed first. (This pic reminds me I still need to get the correct length bolts for my diff cover so I can get rid of the extra washers)
Dave
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“If you don’t have time to do it right now, how will you ever find time to fix it.” - author unknown '70 SWB Step-Side (More rust than metal) ![]() |
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#2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Rear suspension help
easy way to measure for center is from the inside of the tire to the frame rail should be the same on each side/when lowering did you check the trailing arm bushings for wear?
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#3 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Re: Rear suspension help
When you had the alignment done did you have a 4 wheel or just the front?
Also it looks like you need some shock relocator mounts for your rear shocks, they are leaning over way too far to be effective.
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#4 | |
Registered User
Join Date: Feb 2007
Location: Colorado
Posts: 255
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Re: Rear suspension help
The bushings weren't horrible but I probably should have gone ahead and replaced them. I couldn't get the bolts off and didn't want to make yet another trip to the hardware store for new bolts so I didn't get them changed although I do have a pair laying around.
Quote:
Thanks for the help guys, Dave
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“If you don’t have time to do it right now, how will you ever find time to fix it.” - author unknown '70 SWB Step-Side (More rust than metal) ![]() |
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#5 |
Registered User
Join Date: Feb 2002
Location: Vacaville, CA
Posts: 2,746
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Re: Rear suspension help
If you have drop shocks now they will work fine. And the angle does make a difference.
Also have the wife or a friend drive your truck and drive along behind it and make sure it looks like its tracking straight.
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![]() ![]() 99 Pontiac S/C GTP, SLP Ram Air hood, GMPP Konis & springs 95 Neon ACR, MP PCM, AFX UDP, 3.0 CAI |
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