six speed
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From: Copley, OH
six speed
The T56 is a 6 speed. It has a detatchable bellhousing so it can be fitted to virtually any engine. There is a SBF version that will bolt to the 300/302/351 and I'm pretty sure there's a 385 series version for the 429/460.
The ratios are WAY wrong for a truck though unless you're pulling a lot of gear and aren't running tall tires.
The ratios are WAY wrong for a truck though unless you're pulling a lot of gear and aren't running tall tires.
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From: Concord, NC
six speed
I wouldn't trust the T56 in a truck. The weight of the truck is not what it's designed to move. Yes it will handle a great amount of input torque, but the gvwr it's rated to pull is not enough for a truck. The T56 is used in the Mustang Cobra R, Vipers, Corvettes, Camaro/Firebird, and the new Mustang Cobra.
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Lead Driver
Joined: Nov 2002
Posts: 9,557
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From: Concord, NC
six speed
Yes, you are correct, it's supposed to be in the new lightnings. But the towing and hauling capacities of those trucks will likely be very close to zero.
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From: Boise, ID
six speed
I wouldn't think twice about dropping a T-56 in a 2wd street truck. As long as you don't do any heavy towing it will hold up just fine, much better than the Mazda tranny will.
StrangeRanger is right to a certain degree about the gear ratios. Some T-56s do have a bad ratio spread for a vehicle over 4000 lbs. or so. Others are geared much better. If memory serves, the version in the Viper has the closest ratios with the units in the Camaros/Firebirds being the worst. A little reseach could clear the subject right up. There is tons of T-56 info on the net.
BTW, if you're looking for a tranny with a "hot rod" feel, you won't find it the T-56. They are known for their balky and somewhat vauge shifting feel. Take that statement with a grain of salt from a guy who is used to rowing through the gears with relatively smooth and crisp Tremec TKOs, 3550s, and T-45s.
StrangeRanger is right to a certain degree about the gear ratios. Some T-56s do have a bad ratio spread for a vehicle over 4000 lbs. or so. Others are geared much better. If memory serves, the version in the Viper has the closest ratios with the units in the Camaros/Firebirds being the worst. A little reseach could clear the subject right up. There is tons of T-56 info on the net.
BTW, if you're looking for a tranny with a "hot rod" feel, you won't find it the T-56. They are known for their balky and somewhat vauge shifting feel. Take that statement with a grain of salt from a guy who is used to rowing through the gears with relatively smooth and crisp Tremec TKOs, 3550s, and T-45s.