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Old June 15th, 2019, 04:43 AM
Chuck78 Chuck78 is offline
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Join Date: Jul 2014
Location: Columbus OH
Truck: 1962 GMC 1000 panel truck
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Default Re: Clutch slave cylinder bore sizes? 1" vs 1-1/6"?

Well I found my manual! It states that there are three different varieties of clutch master cylinder, the double barrel brake combo unit, a horizontal unit, and a vertical unit. It states that they are ALL 1-1/8" bore.
The factory manual also states that the slave cylinders are all 1" bore.

So I'm not really sure where this identical appearing (same casting) 1-1/16" bore slave cylinder comes from. Any ideas?
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Chuck in Ohio
*'62 GMC 1000 Panel Truck - 305D/Saginaw 4sp soon: 351C V6 + AX15 5sp OD trans, & 73-87/91 disc brake front end, rear Cadillac calipers/ AWD Astro rotors, Dana 44 redrilled to 5 lug
*'88 Suzuki Samurai 4x4 project, VW 1.9L mTDI turbodiesel, Toyota V6 LandCruiser drivetrain, full floater axles, future LWB bed stretch
*'77-'79 Suzuki GS motorcycles, '76 Rickman CR900 roadracer.
*Dirtbikes: 2 Kawasaki KDX220R's, '77 Suzuki PE250, '83 PE175
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