Reliable source oh2o wrote that Chrysler will be switching over from the ZF 8HP45, the transmission currently used in the Charger V6 and 300/300C V6, to the new 845RE early next month. “This is what caused the recent ‘Hemi to get 8-speed in February’ reports/rumors.” Sources may have incorrectly assumed that the “new” transmission was for the Hemi cars.
The 845RE name indicates that the transmission has 8 speeds, a moderately high torque rating (4), rear wheel drive intent, and fully electronic controls; the “5” indicates the fifth revision of the transmission. It can, and will, be used with both 4×4 (in Rams and Jeeps) and AWD setups.
Known differences between the 8HP45 and 845RE include, according to oh2o, the 845RE’s clutches (which have extra friction plates for better performance) and, for some vehicles, a higher capacity oil pan. oh2o wrote that many internal parts do not interchange between the 845RE and 8HP45. The 845RE is to be built by Chrysler itself, in the Kokomo plant which also made the 65RFE and 545RFE.
Long before the Challenger Hellcat was officially launched, Allpar noted that the engine — which we estimated at “620-680 horsepower” (depending on when the stories were written) — was being tested in the Jeep Grand Cherokee. Then we wrote that it had probably been ruled out, for various reasons. Today, one source wrote that the trademarked Trackhawk name, which we had thought [...]
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Months after unconfirmed reports made it to Allpar’s pages, the power of Automotive News, in the person of reporter Larry Vellequette, pried a key fact from Chrysler executives — that they cast and build “Ferrari” engines for Maserati. As our sister site pentastars.com reported, the engines are actually cast in Kokomo, and machined in the Trenton Engine plant, using a mixture of [...]