Finally got a squarebody...for my daughter

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germando

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Joined
Jun 1, 2023
Posts
41
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150
Location
dfw texas
First Name
Justin
Truck Year
1973
Truck Model
c1500
Engine Size
454
Just wanted to say hi from Texas, I just purchased a 1973 sierra grande longbed 454 for my daughter. She is 14 so I have time to get the truck nice and purdy. Truck has 193k original miles and I am super stoked to get a new project that the wife approves of O_O. Truck is solid and runs and drives good. Only thing i was told that i had to do was to put and AC system in it(wife) and a different radio(daughter) as it is AM only.

Currently plans are to pull the 454/th400 and rebuild them, covert the rear to disc brakes, fix the 3 spots of rust above the rear wheels and drivers door. The start on restoring the interior. I am very open to any suggestions and ideas, especially if someone know a good complete AC system that works well.

Side note the wife did say that whatever I do to the truck do it as if it was mine. so during engine rebuilding it has a good chance of getting bored 30 over and a good single plane intake and a carb upgrade to 750 and maybe a mild cam to wake up the torque in the motor.

I have been reading as much as i can and i believe the 73 still had the high nickel block and steel crank in can anyone confirm this. I will know more once i get the engine out and stripped hoping for some of those 049 heads

I tend to ramble but Hey everyone

G
 

germando

Member
Joined
Jun 1, 2023
Posts
41
Reaction score
150
Location
dfw texas
First Name
Justin
Truck Year
1973
Truck Model
c1500
Engine Size
454
No problem guys here are a couple pics for you

G
 

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FireTruck1984

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Jan 7, 2019
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Location
Michigan
First Name
Ted
Truck Year
1984 and 1984
Truck Model
High Sierra K1500 350. Sierra Classic C1500 305.
Engine Size
350, 305
No problem guys here are a couple pics for you

G
Love it ! Welcome from the Motor City !
And it’s a C1500 not a C15 ;)
You are graciously forgiven. Welcome my GMC Brother !

A tip O’ the Hat to you good sir…
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Last edited:

SquareRoot

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Location
Arizona
First Name
Mike
Truck Year
85
Truck Model
K20
Engine Size
350
No problem guys here are a couple pics for you

G
That's what I'm talking about. Looks like a solid truck. Your plan sounds good except for the single plane intake. Unless your using an EFI dry manifold you will be much happier with a good dual plane like the Performer RPM for a daily driver.
 

Snoots

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15,957
Location
Georgia
First Name
Roger
Truck Year
1973
Truck Model
Jimmy Sierra
Engine Size
350
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germando

Member
Joined
Jun 1, 2023
Posts
41
Reaction score
150
Location
dfw texas
First Name
Justin
Truck Year
1973
Truck Model
c1500
Engine Size
454
Thanks for the encouragement and replies, dual plane will be the way to go (edelbrock performer air gap looks good), i am used to using single plane intakes on the strokers i have done in the past. I agree the drum brakes will stop it fine i just hate hate replacing brake shoes lol.

G
 

animal

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Location
Georgia
First Name
Lee
Truck Year
1986
Truck Model
c10 silverado
Engine Size
350ish
:welcome:
 

Randy and Easton

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Joined
Feb 6, 2021
Posts
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Location
North Richland Hills, Texas
First Name
Randy
Truck Year
1976
Truck Model
C-10 LWB
Engine Size
350
Welcome from DFW Texas! My son bought his at 14 and loves it and the project (now 17)

May we suggest vintage air for the AC system. It’s made right here in good ole San Antonio and has the best customer service/support for us DIY folks… turn key system that works flawlessly for less than 2K last I checked. We are just a couple of shade tree mechanics and we did the AC in just a few days over thanksgiving.

Randy and Easton

www.vintageair.com
 

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