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jly535 jly535 is offline
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Join Date: Jan 2008
Location: Spokane
Posts: 361
rear trailing arm brake mount??????

I am in the process of upgrading my 77 930 brakes to 85 930 calipers and rotors. I noticed my rear trailing arms have the rear caliper mounting bosses that are not milled, drilled and tapped for anything. Does anyone know what these bosses are actually for? My brake calipers mount to the front of rear spindles? I would much rather machine the trailing arms to 3.500" spacing to accept later turbo calipers instead of machining calipers to fit 3.00" spacing. The drivers side is actually machined flat with drilled but not tapped holes and the passenger side is just the cast bosses that would need machining. Are these trailing arms maybe a transition cast between the early turbo and later turbo and can be adapted to later style rear mounted calipers?
Old 07-06-2008, 03:12 PM
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