'73 - '87 GM Truck Modifications

The SquareBody Reference Library

Part #s, RPO Codes, TSB's, Cast #'s, etc
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171
Posts
4.7K
Threads
171
Posts
4.7K
86bluebrick
Under hood vacuum lines

Tech Discussion

Discussion on anything technical or mechanical that doesn't fit in other tech categories.
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3.6K
Posts
51.9K
Threads
3.6K
Posts
51.9K
F
Can't identify the engine!

Suspension, Steering & Brakes

Brake Repair, Disc Brake Conversions, Suspension Replacement, Steering & Alignment
Threads
2.7K
Posts
32.2K
Threads
2.7K
Posts
32.2K
Hunter79764
Planning ahead for 3/4T 4WD Suburban suspension

Electrical & Audio

Electrical Accessories & Stereo Equipment.
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2.5K
Posts
26.4K
Threads
2.5K
Posts
26.4K
S
Fixing a jimmy rigged electrical system

Interior

Trim, Seats, Consoles, Door Panels, etc.
Threads
1.7K
Posts
19.4K
Threads
1.7K
Posts
19.4K
squarelyfe
New - Reproduction OEM Floor mats

Exterior

Tires, Wheels, Paint, Mirrors, Badges, etc.
Threads
3.1K
Posts
36.6K
Threads
3.1K
Posts
36.6K
Jonathonmb357
Bed interchangeability

Engine & Performance

Engines, Engine mods, Chips, Filters, etc.
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5K
Posts
77.8K
Threads
5K
Posts
77.8K
yevgenievich
1987 TBI tank in a 1985 with a carb? Will it work?

Transmission & Transfer Case

Shift Kits, Conversions, Adapters, Twin Stick, etc
Threads
2.1K
Posts
25.4K
Threads
2.1K
Posts
25.4K
S
TH350 to NP208 install questions

Differential & Driveline

Front and Rear Axles, Lockers, Limited Slip, Yokes, etc
Threads
1.2K
Posts
14.1K
Threads
1.2K
Posts
14.1K
RoryH19
Rear diff swap? Ass u me, they fit?

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