The 20R Is Why We Can Help With This Car

LC Engineering has built Toyota four-cylinders since 1985, and the 20R fitted to the 1975-1977 Celica is the direct ancestor of the 22R we are known for. Many of the parts are shared outright, which is why our first-gen Celica catalog is deeper than you might expect for a car this old.

Earlier cars ran the 18R and 18R-C. Coverage there is thinner — some shared driveline and cooling parts fit, but our engine work is 20R and later.

Clutch and Flywheel

This is our strongest area on the car. The 20R/22R/RE 8 7/8 inch Pro Clutch and flywheel bundle pairs a clutch and flywheel that are matched to each other, which saves the usual guesswork.

Individually, we carry the Pro Clutch kit for the 20R 1975-1980, the metallic clutch kit for higher-torque or competition use, and the Dual Comp clutch kit as a middle option. Note the 8 7/8 inch size — that is the correct diameter for these cars and it is not interchangeable with the larger truck clutches.

Lightweight flywheels are available in 12 lb steel and 16 lb steel. The 12 lb picks up revs noticeably but makes a street car harder to launch smoothly; on a Celica that sees daily use the 16 lb is usually the better choice.

Cooling and Fuel

The Koyorad racing all-aluminum radiator for the 1976-1977 20R Celica is a direct-fit part cut specifically for this car — unusual for a fifty-year-old chassis, and worth taking advantage of if your original is tired.

On fuel, the 20R/22R propane injection kit is here, and our fuel and air section covers carburetion. The Weber conversion packages listed for the 20R on our second-gen Celica page fit these engines too.

Browse by System

Work through engine, drivetrain, exhaust, cooling and gaskets and seals, or the full Toyota Celica catalog.

Building a first-gen Celica and not sure which parts cross over from the truck engines? Call or email us — we do this every day and the answer is usually yes.

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