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Click on image for the lowdown. 
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| | | Forums66 Topics128,074 Posts1,055,913 Members48,429 | | 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: Jul 2019 Posts: 559 'Bolter | | 'Bolter Joined: Jul 2019 Posts: 559 | Ive been searching around about converting my 3/4t truck to dual master for saftey and when i called jim carter they said they didnt have a specific listing for 3/4 or 1/2t so they should be the same. From what very little ive actually found on thr subject it says the 1/2t is a 1” bore and the 3/4t is a 1.25” bore. Has anyone used this HP-415 master on a 3/4 ton setup? | | |
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