Thread: 66 k20
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Old 09-30-2018, 03:27 PM   #51
jdl71
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Re: 66 k20

And what a shocker, something doesn’t jive. The wheel cylinders are 1” and 1/4, not 1” and 1/8” like the fronts, or like is listed in the fsm. Not really an issue I guess they weren’t pitted and the cups are still pretty supple. Gave it a quick hone and run through the parts washer so I will probably just put them back together. The drums are another matter, the machined surface measures about 12.5”. Once again referencing the manual, 1.25 wheel cylinders came on p30 and c30 with 13” brakes. Is it possible these drums have wore down half an inch?
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64 C10

66 K20
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