Johnson’s Radiator Works Install (Part #32-2953) — 1972 Chevy C10 Big Block

In this video, we replace the radiator on a 1972 Chevy C10 with a big block engine (no A/C, with transmission cooler) using a Johnson’s Radiator Works Copper Core Radiator (Part #32-2953). 100% Made in the USA, this 4-row, 2-3/4" thick copper core radiator is built using original Walker Radiator tooling and designed as a direct bolt-in fit for your classic Chevy truck.

Chapters
00:00 Intro & parts overview
00:45 Drain coolant via petcock
01:10 Remove upper mounts & hoses
01:25 Disconnect transmission cooler lines
01:40 Remove radiator
02:00 Prep new radiator & fittings
02:30 Install rubber pads & radiator
03:00 Reconnect cooler lines & hoses
03:40 Fill coolant & burp system
04:15 Final check & wrap-up

Parts Used
• Johnson’s Radiator Works Copper Core Radiator — LMC Truck Part #32-2953

• Transmission Cooler Line Fittings
• Radiator Cap (factory spec)
• Coolant/Antifreeze & Distilled Water

Why Johnson’s Radiator Works?
✅ 100% Made in the USA
✅ Copper core with in-house brass tubes (.125" × 0.5")
✅ One-piece .040" deep-draw brass top tanks
✅ Heavy-gauge galvanized brackets
✅ Built using original Walker Radiator tooling
✅ 5-Year Warranty

Truck Shown:
1972 Chevy C10 — Big Block, Without A/C, With Transmission Cooler

Shop LMC Truck:
Johnson’s Radiator Works Radiators - https://www.lmctruck.com/cooling-system