How good is a Turbo 400 transmission?
It is widely regarded to be a supremely durable and legendary transmission. The TH400 is conservatively rated at 450 ft. lbs. of input torque.
How can I tell if I have a 400 Turbo transmission?
Look at the transmission pans on both transmission. Both transmission pans have 13 bolts, but they have a different shape. The TH-350 uses a square pan, with one corner cut off. The TH-400 uses an oblong-shaped pan with one side having a “hump” in the pan and one side is curved while the other two sides are straight.
What kind of transmission did GTO have in 1967?
The manual transmission lineup remained unchanged for 1967, but the performance-sapping Super Turbine 300 was finally dropped from the GTO lineup with the introduction of the legendary M-40 Turbo 400 HydraMatic.
Is the GM Turbo 400 still in production?
The Turbo 400 is still regarded as one of the greatest transmissions ever developed, and even nearly half a century after its initial release, GM is still building the 4L85-E, a computer-controlled overdrive version of this transmission. These basic transmission offerings were retained without changes other than coding until the 1970 model year.
What kind of clutch did a 1964 GTO have?
(There has been speculation as to whether the close-ratio 4-speed was actually installed in any 1964 GTOs, even though it is listed as available.) All manual transmissions used a 10.4-inch clutch featuring a single dry-friction plate, bent-finger diaphragm spring, and a 2,350-pound spring-loaded pressure plate.
Which is the best transmission in the GTO?
The Turbo Hydra-Matic is one of most prolific and highly regarded automatic transmissions of all time and certainly the GTO helped further its performance record. The Turbo 400 offered a breakthrough in performance from its predecessors and became favored among racers and hot rodders.
What kind of engine does a 1968 GTO have?
1968 Pontiac Gto True Gto (242 car) Rebuilt Pontiac 400 with ram air III cam & ram air III 16 heads. Victor high rise intake $600 New Quickfuel 750 Carburetor $400 400 turbo transmission just rebui… More Info ›
What kind of transmission did a Pontiac GTO have?
The only other transmission option was the M40 Turbo Hydra-Matic 400, available with the Dual-Gate “his and hers” shifting arrangement. This was the standard transmission when ordering the economy 400 engine.
When did the Pontiac 400 V8 come out?
Pontiac 400 V8 Engine. The Pontiac 400 6.6 Liter engine was first introduced in 1967. This version of the Pontiac V8 engine was used in the GTO, Firebird, and the Trans-Am Firebird. The 400 was inspired by the Pontiac 389 V8 and proved to be the last Pontiac engine with closed chambered heads.
(There has been speculation as to whether the close-ratio 4-speed was actually installed in any 1964 GTOs, even though it is listed as available.) All manual transmissions used a 10.4-inch clutch featuring a single dry-friction plate, bent-finger diaphragm spring, and a 2,350-pound spring-loaded pressure plate.