Swap Block TH400 Transmission Mock Up | GF-MUT-TH400

Swap Block TH400 Transmission Mock Up | GF-MUT-TH400Our patent pending tab and slot version of the 10L90 Swap Block Transmission Mock Up Block provides accurate transmission mounting and yoke positions. This unique design is lightweight and comes disassembled for ease of shipping and storage. One tool accomplishes accurate placement of a TH400 transmission found in GM cars and trucks from 1964 1990. This mock up Transmission has a rear mount plate designed around the short tail TH400, but if a long

• Our patent-pending tab-and-slot version of the 10L90 Swap Block™ Transmission Mock Up Block provides accurate transmission mounting and yoke positions.
• This unique design is lightweight and comes disassembled for ease of shipping and storage.
• One tool accomplishes accurate placement of a TH400 transmission found in GM cars and trucks from 1964-1990.
• This mock up Transmission has a rear mount plate designed around the short tail TH400, but if a long tail is needed, you can bolt a tail shaft to the rearmost upright plate.
• Easily positioned by hand, there is no need to bench-press a heavy transmission into place for fitment and fabrication of Crossmember, etc.
• Save time and money and work more safely.
• Durable steel construction resists heat from welding, so unlike foam blocks, custom crossmembers can be fabricated close to the block.

The TH400 transmission is the heavy-duty version of a TH350. The TH400 was electronically controlled, which required a kickdown switch by the carb or gas pedal to tell the transmission when to kick down a gear. They are still being produced and used in heavy duty GM and military vehicles. Here’s a list from Gearstar.com of all the cars that used the TH400 transmission:

1965-1967, 327 V8 (Rambler/AMC)
1968-1971, 350 V8 (Buick)
1969-1972, 225 V6 (Buick)
1972-1975, 232 I6 (AMC)
1975-1979, 258 I6 (AMC)
1972-1979, 304 V8 (AMC)
1972-1979, 360 V8 (AMC)
1974-1975, 401 V8 (AMC)
GM
Jaguar
Ferrari
Rolls-Royce