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03-21-2019 #1Registered User
- Join Date
- Oct 2018
- Location
- San Jose, CA
- Posts
- 523
speedtech LCA bolt question - Camaro with factory subframe
I am installing the Speedtech lower control arms in a factory frame - 1971 Camaro
the bolts they sent with the kit measure .54" - they are big, maybe 5/8" bolts. The hole in the frame is just over .5" - aprox .525"
these bolts certainly don't fit through the factory frame holes.
the factory bolt is just under .5" at the collar - they are probably a 7/16" bolt.
Is there any reason to use their hardware? I am not very keen to drill out the factory frame because it may need to go back to stock arms someday or maybe another supplier that doesn't use such large hardware. Plus I don't have a 5/8" cobalt drill bit anyway.
So I'm currently installing these using the factory hardware. Mine is in great shape - I see no reason not to reuse it.
Anybody have experience with this or a good reason why I shouldn't use the factory bolts?
Also - the shock mount isn't threaded like a stock arm. There is nothing in the instructions about opening up those holes or about how to mount conventional shocks - I can just use the same bolts but with a locking nut. I have a fresh set of Bilstein shocks and currently running Hotchkis springs - not coil overs.1971 Camaro - 406 / T56
2016 Camaro SS convertible
2018 Colorado 4x4
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03-22-2019 #2Registered User
- Join Date
- Feb 2014
- Posts
- 196