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#1 |
Registered User
![]() Join Date: Dec 2012
Location: Los Banos CA
Posts: 2,705
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alignment question again!
Hello All,
I am almost completed with rebuilding the frontend of my sons truck. with 73-87 frontend, a-arms to pitman arm. I installed disk brakes with 2-1/2" drop spindles and 1" drop springs since is is now basiclly 73-87 front components do I align to that year(1978 parts)? if so what is the best in numbers for this? my research on the forum shows +2.0 deg +/-.25 caster -.25 camber +/- .25 -.11 to +.03 Total Toe with 0 thrust offset Is this correct? can anyone help me out that has done this upgrade or change to their truck? Thanks Scott
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1956 Chevy Bel Air 2 door 1956 Chevy 210 4 Door 1970 K20 LWB project the Hulk build w/Supercharged 4.8L-ly2/4L60E HULK BUILD 1970 C10 Yellow/White Deluxe LWB w/ 5.3L-LC9/6L80E 1968 K10 LWB Dark green my son calls it "THE HULK Jr"HULK JR *SOLD* GO ![]() |
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#2 |
Registered User
Join Date: Mar 2004
Location: CA
Posts: 2,057
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Re: alignment question again!
Yes, since you have installed 73-up parts I'd say to tell the alignment shop to adjust it to the 78 specs. I bet the 78 specs are pretty close to your original 70 specs. Maybe the alignment specs are adjusted for radial tire technology but I'd bet that's it.
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#3 |
Registered User
Join Date: Oct 2005
Location: Overland Park, Ks.
Posts: 5,216
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Re: alignment question again!
My 70 is original but those specks are about what I set it at & it drives fantastic.
2 degree pos. caster. 1/8 neg camber. 1/8 in toe in. |
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#4 |
Registered User
Join Date: Jun 2011
Location: Richmond,Va
Posts: 2,934
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Re: alignment question again!
Your specs are ok. Camber should be negative and not exceed -1.0°. With your springs it will likely wind up around -.25°. Specs call for somewhere between +2 and +3 degrees. The more positive caster the better. Like Wrenchbender, 1/8" TOTAL (1/16th per side) toe-in is recommended.
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Nick Carter 1967 C10 Short bed Fleetside Project Cheap Thrills! 2WD C10 Modern/Performance Alignments Easiest Alignment Ever! |
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