Is it posible to interchange 64 drum brake and 65 disc brake trailing arms with modification? What modification is necessary? Are they the same length?
64 to 65 trailing arm interchange?
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Re: 64 to 65 trailing arm interchange?
The last set of SERVICE trailing arms available from GM were the same for both drum and disc brake applications. However, I just don't recall what the original differences were. It might have had something to do with the parking brake or brake line brackets.In Appreciation of John Hinckley- Top
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Re: 64 to 65 trailing arm interchange?
They're the same length, but the '65-up trailing arms have a separate pad welded on the top surface to contact the jounce bumper, which was moved inboard from its original '63-'64 location outboard of the frame with the advent of disc brakes in '65, and there are several other minor bracket differences. Photo below is a LH '65-up arm.
TrlgArmInboard4 (2).jpg- Top
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Re: 64 to 65 trailing arm interchange?
Stan -
They're the same length, but the '65-up trailing arms have a separate pad welded on the top surface to contact the jounce bumper, which was moved inboard from its original '63-'64 location outboard of the frame with the advent of disc brakes in '65, and there are several other minor bracket differences. Photo below is a LH '65-up arm.
[ATTACH=CONFIG]46315[/ATTACH]
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