Only decent truck V10 was the Dodge Magnum based 8.0L. Had one in a 94 long bed single cab 2wd 2500 and it had a massive amount of torque. Had a Mopar Performance ECM on it, Mopar claimed it added 50 ft/lbs of torque to the stock 450 ft/lbs and I absolutely believe it. 12-14 mpg regardless of how you drove it. Idling along, WOT burning the tires out of every stop or pulling a 10,000 lbs trailer, 12-14mpg. It was ammusing because in normal driving it would shift into the next gear at less than 2,000 rpm and the torque spike would cause the truck to jump 5-10 mph in speed during the shifts. Watch when Bill Paxton gets on the V10 in Twister and it rockets from 50-70 almost instantly without downshifting. How that 94 truck really ran. 1:10 seconds in, that was a 4x4 extended cab too. Truck had an ECM that failed (hence the cheaper mopar performance ECM), a dash that cracked and had to have the front end rebuilt at 100K, but other than that, a cracked radiator and a water pump that failed never gave any other major problems in 250K. The a/c would still freeze you out of the truck at 250K.
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