tlbranth wrote:A lot of pictures are not showing up on this thread. Have any of you who've done this swap made allowance for expansion? I assume that's what the wrap-around gasket was for originally.
tlbranth wrote:I'm looking to mount Bonneville mufflers to the '75. The muffler has a 35 degree downturn where it meets the header. So I cut up a 90 degree mandrel bend to get 2 35's out of it and welded some straight pipe to the stub ends. I figured that after fit-up when everything is cut to length, I'd weld my new pieces directly to the manifolds (after cutting off the stubs coming out of them). My new pieces would then be clamped tight to the mufflers and the mufflers hard-bolted to the rear footpeg mounts. Good idea except for expansion. Isn't something going to break in a rigid setup like that?
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