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| | | Forums66 Topics128,069 Posts1,055,884 Members48,428 | | Most Online14,466
Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
Lots of work on Brad's part ... pure enjoyment (and references) for you!
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For helping keep this great
old truck web site
on the Internet for over 30 years! and not clogged down
with Ads!  Again, thanks!
| | | | Joined: Mar 2005 Posts: 121 Wrench Fetcher | | Wrench Fetcher Joined: Mar 2005 Posts: 121 | I just changed my 66 over to a manual( no power) 4 wheel drum dual master cylinder a few weeks ago. Running the lines was the toughest part.
Go to Partsource ( if you have one) or Canadian Tire and ask for a master cylinder from a 68 1/2 ton chevy. ( Impala etc is the same one). It bolts right up exactly the way your old one did. I just had to grind the shoulders of the bolts slightly. Use the same rod from the pedal- you don't even have to adjust it.
I can't find my receipt for it to give you the part number but I'm sure it was only about 35.00
Dave
66 GMC- father /son project with the "GMC KID"
36 Chevy PU- 4x4 lifetime project
64 Skylark- wife says its hers
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