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Old 01-28-2009, 01:41 AM   #1
badpeanut
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Master Cylinder Bore Diameter for '72 1/2-ton 4x4

The master cylinder on my '72 Chevy 1/2-ton 4x4 is leaking so I went to buy one today but the auto parts store doesn't know if this truck should have an 1-1/8" bore or 1-1/4" bore. Both have to be ordered so I'd like to get the right one before I take things apart. Anybody know which one is correct for this truck?
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Old 02-01-2009, 08:30 PM   #2
badpeanut
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Re: Master Cylinder Bore Diameter for '72 1/2-ton 4x4

My current theory is 1-1/8" bore if for 1/2-ton and 1-1/4" bore is 3/4-ton.
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'72 Chevy LWB 4x4 plow truck
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