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Old 10-25-2023, 11:14 PM   #6
samkost
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Join Date: Sep 2014
Location: Lake Tapps, Wa.
Posts: 611
Re: Correct Master Cylinder

Quote:
Originally Posted by Toro View Post
I have been in the same situation. I can confirm that AC Delco #18M1036 is the deep bore that you will need with your setup. Also GM #19176594.

See my thread link (with photos) regarding similar issue and question regarding if the deep bore/long push rod in booster was correct. On my 72 Blazer it was that way from factory. Details here: https://67-72chevytrucks.com/vboard/...d.php?t=845821
Thanks for the information and clarification Toro.
So my 1/2 C10 with power brakes is the same as the original Blazer set up. Interesting.
The subject of what a correct master cylinder looks like from the factory for a 1972 C10 with power brakes (2 wheel disc/rear drum) has been a challenge.
I even checked my SPID glove box label and it lists J70 Hydro Brake Booster.
Looks like I can proceed with ordering some new brake parts!
Funny I didn’t see your linked post when searching past forum posts.
Most helpful and much appreciated.
Thanks again
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Sam

1972 C10 LWB
2020 Z71 Tahoe

Last edited by samkost; 10-25-2023 at 11:21 PM.
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