86 Suburban R20 strange linkage ?
AS I am working to remove the old fuel tank, I noticed a strange linkage over the rear end that looks like it has something to do with rear hydraulic brakes ?? Rear brake lines stop at one end of the linkage...then continue from rear of linkage to wheel cylinders. WTF is this about ? Some type of booster for rear brakes ? This baby has a 411 rear end and is set up for heavy towing (oil cooler and towing package). Anyone else ever see this...came this way from factory...not added on.
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