Subscribe to a magazine


Back to article View Gallery
5 of 7
Backing up our new Ram Jet 350 will be a reworked Turbo Hydramatic 350 from TCI. We could have put any transmission in the truck, but the TH350 has a lower First gear than the TH400 (2.52:1 vs. 2.48:1) and is shorter than both the TH400 and TH700R4. With a decent rebuild, the TH350 should be up to handling 400 lb-ft of torque and 39-inch tires, but just to be sure we'll run 5.13 axle gears to take some of the strain off the transmission. With those gears and tires we'll be spinning the engine 2,872 rpm at 65 mph, which isn't high enough for us to justify the cost and complexity of going to an overdrive transmission.