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#1 |
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Registered User
Join Date: Oct 2016
Location: Dallas Texas
Posts: 3,848
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drop spindles 2.5" and springs 2". Align spec
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I've got the 2.5" spindles and 2" springs on otherwise stock suspension. I've read through most of the threads here that were returned on a Title search for "camber" as there was only 1 page of results. What I'm reading is that on these trucks with these lowering specs, the camber adjustment available/possible by adding shims is within acceptable specifications ( around -0.5 or so ). After my recent offroad adventure, I've got roughly -0.8 and -1.0 camber at max shims installed on the -1 side and maybe a small bit of more-toward-positive on the -0.8 side still available. If my frame rails are factory straight and suspension components hanging from the frame are all not compromised/bent/warped, do the above numbers make any sense? I'm trying to find proof positive based on experience here that I've got either frame problems or other components mucked up. Thoughts? EDIT: The side with -1.0 camber has 4 thick shims in the front and rear (equal) positions. The other side has the same number. Thank you, -Kevin
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67 C10 fleet fuel injected '70 402, 700r4, 3.73 posi 07 335 sport turbo 6sp 94 Trans Am GT LT1 6sp posi -- sold after 22yrs 99 540 sport V8 6sp -- sold 73 240z L24 4sp -- given to friend 68 C10 step 350/350 3.73 open -- sold Last edited by weq92f; 06-23-2025 at 07:36 PM. |
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#2 |
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Registered User
Join Date: Apr 2001
Location: DALLAS,TX
Posts: 22,569
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Re: drop spindles 2.5" and springs 2". Align spec
For a lowered truck, I'd target .5 - .75° Negative Camber.
Tell the alignment guy you want as much Positive Caster as possible while still landing within that Camber target. The amount will vary. Factory Caster was minimal & it takes modding to get the more aggressive Caster numbers similar to modern vehicles. Anything over +3° is good. My CC Squarebody Dually was modded & yielded > +6° Caster. My OBS '99 CC 3/4 ton is around +4.1 - 4.6° (both lowered w/spindles + drop springs).
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67SWB-B.B.RetroRod 64SWB-Recycle 89CCDually-Driver/Tow Truck 99CCSWB Driver All Fleetsides @rattlecankustoms in IG Building a small, high rpm engine with the perfect bore, stroke and rod ratio is very impressive. It's like a highly skilled Morrocan sword fighter with a Damascus Steel Scimitar..... Cubic inches is like Indiana Jones with a cheap pistol. |
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#3 | |
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Senior Member
![]() Join Date: Jul 2011
Location: Florence, MS.
Posts: 246
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Re: drop spindles 2.5" and springs 2". Align spec
Quote:
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#4 |
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Registered User
Join Date: Feb 2016
Location: Portland Oregon
Posts: 12,406
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Re: drop spindles 2.5" and springs 2". Align spec
This my or may not help you as it not apples to apples but the link is from my Burban when it was bagged in the front with stock spindles. It does have photos of the shim stacks and some explanations on how changing them affected my alignment specs.
https://67-72chevytrucks.com/vboard/...nt#post8018309 P.S. I did the "Caster mod" to the truck before hitting the alignment rack. https://67-72chevytrucks.com/vboard/...d.php?t=501241 I have since removed the air bags and reinstalled 2 inch drop springs with the factory spindles. The photo is from the current set up.
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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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