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Old 03-31-2016, 08:27 AM   #1
hambone1958
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Updating the 72 GMC
We did this truck about 12 years ago unfortunately I over charged the battery and it leaked. We are pulling the nose off to clean and re-paint the core support, battery box and the inner fender. While we are at it I decided we would re-seal the engine and one thing lead to another. More to follow.....





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Old 03-31-2016, 11:07 AM   #2
GASoline71
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Re: Updating the 72 GMC
LOL... I have a 1972 GMC as well... welcome to the sickness!

Gary
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My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
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Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 03-31-2016, 03:05 PM   #3
KEL
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Re: Updating the 72 GMC
Quote:
Originally Posted by GASoline71 View Post
LOL... I have a 1972 GMC as well... welcome to the sickness!

Gary
I have a 72 GMC Sierra Grande.
Whenever I see anything "big" that needs to be done,
I just think to myself . . . ."next owner's problem" !
Good luck !
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Old 03-31-2016, 06:37 PM   #4
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Re: Updating the 72 GMC
'72 GMC here too.
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Old 03-31-2016, 07:38 PM   #5
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Re: Updating the 72 GMC
Another 72 checking in.
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Old 03-31-2016, 09:14 PM   #6
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Re: Updating the 72 GMC
mine is just a 70 GMC
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Old 04-01-2016, 03:30 PM   #7
hambone1958
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Re: Updating the 72 GMC
Few more pieces to the puzzle.
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Old 04-01-2016, 03:35 PM   #8
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Re: Updating the 72 GMC
Oooooooo fuel injection, that's high up on my list of things to look into.
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Old 04-01-2016, 04:04 PM   #9
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Re: Updating the 72 GMC
You are going to love fuel injection, I know I do.

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Old 04-01-2016, 04:51 PM   #10
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Re: Updating the 72 GMC
This is our second FAST EZ EFI install. The first one was on my 1966 Buick Skylark with a 400. We love it.
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Old 04-01-2016, 05:31 PM   #11
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Re: Updating the 72 GMC
I'm currently installing a FiTech on my 69 Camaro.
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Old 04-01-2016, 07:16 PM   #12
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Re: Updating the 72 GMC
Nice.
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Old 06-08-2016, 08:30 AM   #13
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Re: Updating the 72 GMC
Progress has been slow but we are back on track. [IMG][/IMG][IMG][/IMG]
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Old 06-08-2016, 10:51 AM   #14
GASoline71
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Re: Updating the 72 GMC
I thought about going with a hydro-boost just so the brake master cylinder wouldn't stick so far out from firewall like it does with the stock booster. Are those brackets behind the hydro-boost needed like that? If so, I am probably going to scrap the idea.

I'm thinking about using a Corvette master cylinder with a 1" bore for disc/drum and just bolt it to the firewall.

Gary
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'cuz chicks dig scars...

My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 06-11-2016, 12:05 PM   #15
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Re: Updating the 72 GMC
Quote:
Originally Posted by GASoline71 View Post
I thought about going with a hydro-boost just so the brake master cylinder wouldn't stick so far out from firewall like it does with the stock booster. Are those brackets behind the hydro-boost needed like that? If so, I am probably going to scrap the idea.

I'm thinking about using a Corvette master cylinder with a 1" bore for disc/drum and just bolt it to the firewall.

Gary
the hydro-boost can be mounted at the firewall. there is a couple of ways to mount it,
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Old 06-11-2016, 12:24 PM   #16
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Re: Updating the 72 GMC
1972 GMC here also.
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Old 06-11-2016, 03:16 PM   #17
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Re: Updating the 72 GMC
Quote:
Originally Posted by bigdog55 View Post
the hydro-boost can be mounted at the firewall. there is a couple of ways to mount it,
Way cool... thanks!

Gary
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'cuz chicks dig scars...

My 1972 GMC 1500 Super Custom (Creeping Death) "long term" build thread.

The Rebuild of Creeping Death after the wreck

Quote:
Originally Posted by LONGHAIR View Post
I would never rebuild a 305.
Quote:
Originally Posted by prostreetC-10 View Post
I love using vacuum gauges as part of the carb tuning process. I hook the gauge to the inside of my garbage can and leave it there.
Quote:
Originally Posted by Marv D View Post
Remember Murphys 2nd law of mechanical relationships... "OPPOSING COMPONENTS ATTEMPTING TO OCCUPY THE SAME SPACE, AT THE SAME TIME, GENERALLY END UP OCCUPYING ADJOINING SPACE AT THE BOTTOM OF THE OIL PAN"
Quote:
Originally Posted by cableguy0 View Post
Its cheaper to listen to advice given when you ask for help than it is to ignore everyone and wait for carnage.
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Old 06-11-2016, 03:27 PM   #18
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Re: Updating the 72 GMC
Sounds about right.....pull it apart for a few things and the momentum builds!
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Old 06-11-2016, 04:11 PM   #19
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Re: Updating the 72 GMC
This feels right.......finished product should make you smile.
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Old 06-14-2016, 12:26 PM   #20
hambone1958
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Re: Updating the 72 GMC
A little more progress.

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Old 06-14-2016, 01:26 PM   #21
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Re: Updating the 72 GMC
Nice. I think I'm gonna go and over charge my battery tonight.
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Old 06-14-2016, 01:30 PM   #22
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Re: Updating the 72 GMC
My current work-in-progress. Just fired it up this week!
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Old 06-14-2016, 04:22 PM   #23
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Re: Updating the 72 GMC
Quote:
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A little more progress.
That looks great! But that rusty master cylinder kind of attracts the eye. Any plans for prettying it up a bit?
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Old 06-15-2016, 10:39 AM   #24
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Re: Updating the 72 GMC
Forgive me if I'm wrong, but I think that the master is a CPP piece based on the little sticker/logo on the prop valve. The masters come unpainted. I know because I just painted my new one after reading the printed color page included with it that tells you to paint it before you install it because if not it WILL rust. lol.
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Old 07-08-2016, 08:00 AM   #25
hambone1958
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Re: Updating the 72 GMC
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That looks great! But that rusty master cylinder kind of attracts the eye. Any plans for prettying it up a bit?
I reckon we will. We installed the Hotchkis front control arms and spring yesterday. Really nice kit BTW. I'll post pics later today. BTW I have the stock a-arms and after market sway bar if anyone close to me is in need.
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