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#1 |
Registered User
![]() Join Date: Dec 2012
Location: Vancouver, Washington
Posts: 1,644
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Thought I would ask this question here.
Scenario - my '68 C10, trailing arm and coil rear suspension. Had a 4/5 drop done recently - in the rear, a combination of 2" blocks and 3" CPP lowering springs. Been driven 150 miles or more so far, so I would assume any settling in is done. Work was done locally. The driver side from ground to top of the wheel arch has about one inch more height than the passenger side. Not knowing much about springs personally, does the way they are installed have anything to do with this? Can rears be installed differently, or rotated to make the sides match? I know the fronts seat into pockets on the lower control arm. Posed this question a few places. I notice on the summit site the specs shows this spring lowers in a range, so wasn't sure if that meant they can be seated different ways. Thanks in advance, appreciate your patience with my lack of knowledge...
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1968 Chevrolet C/10 LWB - 327, TH350 - 4/5 Drop |
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#2 |
Registered User
![]() Join Date: Jan 2011
Location: Chattanooga TN
Posts: 6,208
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Re: Drop Springs - '68 C10
Is the front level? You might be experiencing what's commonly referred to as 'Chevy Lean'.
I can explain - bit my first question would be more focused on the front. See if it's lower on the drivers side.
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Chad 1967 C10 SWB - Project Savannah - 6.0/4L80 *Currently underway* 1968 C10 SWB - TOTY 2018, 50th Anniversary Tribute Project * Sold * Pride and Joy 1986 Silverado Short Fleet - Scarlet *Sold* 1985 Silverado Short Fleet *Sold* 2022 Jeep Gladiator Mojave 2001 Jeep Cherokee XJ 4x4 - Lifted, Built 1992 Jeep Cherokee XJ 4x4 - Lifted 2013 Honda Accord EX-L v6 Coupe 6spd (wife's ride) |
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#3 |
Senior Member
![]() Join Date: Feb 2010
Location: Falls City, Nebraska "100 Miles From Nowhere"
Posts: 2,219
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Re: Drop Springs - '68 C10
Try swapping the springs left to right, while doing so make sure they're both clocked correctly in the plates. Check the frame and bed, these beds have taken unimaginable beatings over the years. Level the axle and start inspecting taking measurements of the cross sills and frame mounts...
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Michael of the clan Hill, "Two Seventy Two's" 71 1-ton Dually 350 4-Speed 71 C/50 Grain Truck, 350 Split-Axle 4-Speed 02 3/4 ton Express 14 Indian Chief Vintage 1952 Ford 8N, "Only Ford Allowed On The Property" ![]() "Be American, Buy American" ![]() |
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#4 |
Registered User
![]() Join Date: Dec 2012
Location: Vancouver, Washington
Posts: 1,644
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Re: Drop Springs - '68 C10
Thanks both for the advice - getting it in the shop in a week or two and will look into this. will post back with results/fix
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1968 Chevrolet C/10 LWB - 327, TH350 - 4/5 Drop |
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#5 |
Registered User
![]() Join Date: Dec 2012
Location: Vancouver, Washington
Posts: 1,644
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Re: Drop Springs - '68 C10
Wanted to give an update on what we found. My driver front lowering spring was not seated properly in the top control arm, and simply rotating it into the pocket on the bottom and seating the top was the issue. Basically it was "high centered" on the stamped section at the top making up the 1" difference. We didn't initially see this, so when we got it on the lift again was able to determine this. Once corrected, the back is now also perfectly leveled. Seems just the one corner threw everything out of whack.
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1968 Chevrolet C/10 LWB - 327, TH350 - 4/5 Drop |
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#6 |
Post Whore
![]() Join Date: Feb 2016
Location: Portland Oregon
Posts: 11,157
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Re: Drop Springs - '68 C10
Good to hear you solved the problem. And thanks for the follow up post. We all learned something.
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Thanks to Bob and Jeanie and everyone else at Superior Performance for all their great help. ![]() RIP Bob Parks. 1967 Burban (the WMB),1988 S10 Blazer (the Stink10 II),1969 GTO (the Goat), 1970 Javelin, 1952 F2 Ford OHC six 4X4, 29 Model A, 72 Firebird (the DBP Bird). 85 Alfa Romeo If it breaks I didn't want it in the first place The WMB repair thread http://67-72chevytrucks.com/vboard/s...d.php?t=698377 |
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#7 |
Senior Member
![]() Join Date: Dec 2014
Location: Edmonton Alberta
Posts: 1,344
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Re: Drop Springs - '68 C10
I'm curious, do you think it would have eventually slid into place, or was the adjustment completely necessary, ie, it would have had the lean until you did something about it.
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DAVE Edmonton, Alberta 1959 Apache 1967 K20 1968 C20 1970 C10 1972 GMC 2500 1981 C10 |
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#8 | |
Registered User
![]() Join Date: Dec 2012
Location: Vancouver, Washington
Posts: 1,644
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Re: Drop Springs - '68 C10
Quote:
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1968 Chevrolet C/10 LWB - 327, TH350 - 4/5 Drop |
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