SDT Control Arms
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Joined: Nov 2017
Posts: 80
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From: Miami Beach
Car: 1986 IROC-Z
Engine: 305 SBC, SLP Runners, Headers
Transmission: AUTO
Axle/Gears: G80
SDT Control Arms
Anyone have experience/ opinions on these, price seem too good to be true https://www.ebay.com/i/111775673204?...yABEgJy9_D_BwE
Last edited by JimInMiami; Sep 23, 2019 at 10:52 PM.
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From: East Moline, IL
Car: 88 T/A, 91 Formula, 94 Firehawk
Engine: 400 Pontiac, 5.0 TPI, 5.7 LT1
Transmission: 700R4, T5, T56
Axle/Gears: 4.10, 3.42, 3.42
Re: SDT Control Arms
No experience with them but pictures of the parts look good quality, and that seems like a decent price!
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Joined: Aug 2008
Posts: 172
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Car: 88 gta
Engine: 5.8
Transmission: 700R4
Axle/Gears: 3.73 POSI
Re: SDT Control Arms
never heard of them.but I know for the same price or cheaper you can get the same set up from founders.i have a bunch of there stuff an never had a problem
https://www.foundersperformance.com/...v=7516fd43adaa
https://www.foundersperformance.com/...v=7516fd43adaa
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Joined: May 2015
Posts: 1,765
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From: Florida
Car: 1991 Z28
Engine: 305 TPI
Transmission: 700R4
Axle/Gears: 3:42 Auburn
Re: SDT Control Arms
never heard of them.but I know for the same price or cheaper you can get the same set up from founders.i have a bunch of there stuff an never had a problem
https://www.foundersperformance.com/...v=7516fd43adaa
https://www.foundersperformance.com/...v=7516fd43adaa
I used all Founders stuff also Jim. I don't trust some Fleabay stuff that looks to good to be true. Last edited by vinny R; Sep 24, 2019 at 07:11 AM. Reason: add info
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Re: SDT Control Arms
Just a heads up, DO NOT use LCA's that have Poly on both ends.
They bind even on the street and cause horrific snap oversteer.
I was almost sent off an AutoX course because of those awful Poly-poly LCA. They got stuck in a turn and when I went to change direction, the axle wouldn't rotate. Then it SNAPPED back like an angry animal.
You want LCA with one end Poly and one end a spherical joint. Either a heim joint or pseudo joint like UMI Roto joint or sphoons del sphere
If you are racing, use a LCA with rods on both ends.
Same goes for the panhardbar.
you also want adjustable ones.
you definitely want the ability to adjust your axle.
our cars are super old and the axle is almost never centered perfectly.
and if you lower your car even a little, the axle won't be centered.
They bind even on the street and cause horrific snap oversteer.
I was almost sent off an AutoX course because of those awful Poly-poly LCA. They got stuck in a turn and when I went to change direction, the axle wouldn't rotate. Then it SNAPPED back like an angry animal.
You want LCA with one end Poly and one end a spherical joint. Either a heim joint or pseudo joint like UMI Roto joint or sphoons del sphere
If you are racing, use a LCA with rods on both ends.
Same goes for the panhardbar.
you also want adjustable ones.
you definitely want the ability to adjust your axle.
our cars are super old and the axle is almost never centered perfectly.
and if you lower your car even a little, the axle won't be centered.
Thread Starter
Junior Member
Joined: Nov 2017
Posts: 80
Likes: 18
From: Miami Beach
Car: 1986 IROC-Z
Engine: 305 SBC, SLP Runners, Headers
Transmission: AUTO
Axle/Gears: G80
Re: SDT Control Arms
McLovin, thanks for the heads up, for the those very reasons I decided after additional research to go with the Global West control arms with rubber bushings on the chassis side and and spherical bearings on the axel end. https://www.globalwest.net/camaro-re...1987-1988.html
Seemed like a good compromise for a car that is occasionally driven in a sporting fashion on the street, but not going to be raced. As I intend to keep the stock ride height I went with the non-adjustable arms and Panhard rod. I also ordered the S&W subframe connectors and torque rod.
Seemed like a good compromise for a car that is occasionally driven in a sporting fashion on the street, but not going to be raced. As I intend to keep the stock ride height I went with the non-adjustable arms and Panhard rod. I also ordered the S&W subframe connectors and torque rod.
Last edited by JimInMiami; Sep 29, 2019 at 05:29 PM.
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