I would trust your door sticker. The Classic DS model, has the 8HP70, which has a max hp/torque limit lower than the 8HP75 that they started using on the 2019 DT all-new platform. Even those have two versions, one built in-house for Pentastar V6 trucks and one built by ZF for Hemi engined trucks.
What are the limits of 8HP70?
In the 8HP70 version, it has a torque handling limit of 700 newton-metres (516 lbf⋅ft), and weighs 87 kilograms (192 lb).
What is the difference between 8HP70 and 8HP45?
The 8HP70 is larger than the 8HP45, but not much longer. The tall first gear allows for early lockup of the torque converter clutch. Chrysler will have 40 different “control maps” to change shift patterns based on operating conditions (covering both rear and all wheel drive systems).
What gear ratio is a 8HP70 transmission?
Plus, the 8HP70 /8HP90 include a pair of overdrive 0.84:1 and 0.67:1 ratios. The rear axle in these cars is 3.07:1 but when the transmission shifts into 8th gear, that effectively drops the final drive ratio down to an astounding 2.05:1 which puts cruise rpm on the highway at 70 mph just under 1,700 rpm.
What is the difference between 8HP75 and 8HP70? – Related Questions
Who makes the 8HP75 transmission?
The 8HP transmission from German supplier ZF is quick enough to serve sports cars and graceful enough for large luxury sedans, and it combines those elements of speed and smoothness whether it’s installed in an Aston Martin, a Rolls-Royce, or a Jeep.
What is a 8.1 1 gear ratio good for?
High gear ratio reels | 7.1:1 thru 8.1:1
Topwaters, jerkbaits, jigs, plastics and even lipless crankbaits warrant the use of a high-speed reel. These techniques create a lot of slack in your line, and if you get a bite 25 yards out from the boat, a high gear ratio comes in handy for getting a solid hookset.
What are the gear ratios in a Muncie 4 speed?
Guide to Muncie M20, M21, and M22 Four-Speed Transmissions
| Muncie Four-Speed Gear Ratios |
| M20 Wide-Ratio 1963-’65 |
| First Gear |
2.56:1 |
| Second Gear |
1.91:1 |
| Third Gear |
1.48:1 |
What gear ratio is a Borg Warner t10?
AMC used a 2.23:1 ratio as well as the 2.64:1 and 2.43:1 ratios. Production of the T-10 continued as an aftermarket replacement transmission for all American makes, and improvements to its design continued in each later updated version.
What’s better 3.92 or 3.21 gear ratio?
The standard 3.21 axle ratio then gets you a maximum tow rating of 8,440 pounds. Go with the 3.92 gearing and the tow rating jumps up to 11,540 pounds — a massive 3,100-pound difference.
Is the ZF 8HP transmission good?
What Makes the ZF 8 Speed Transmission Excellent? The ZF 8 Speed transmission has an overwhelmingly positive reputation within the automobile industry. Its highly flexible design means that the ZF transmission can be used within a huge number of car models, ranging from expensive sports cars to luxury sedans.
How long does ZF 8HP last?
If the customer is coming to you, the vehicle is probably over its 100,000-mile warrantee. In most, if not all other vehicles that have the 8 speed ZF transmission, the manufacturer recommends a transmission fluid and filter change at 70,000 to 80,000 miles. This is also the interval that ZF themselves recommend.
What is the max rpm for ZF 8HP?
14500 RPM are specified, but would go up to a maximum of 20,000 RPM.
What does the Z in ZF stand for?
The company was founded in 1915 in Friedrichshafen, Germany by Luftschiffbau Zeppelin GmbH, to produce gears for Zeppelins and other airships. Zeppelin was unable to otherwise obtain gears for his airships. The German Zahnradfabrik (ZF) translates to ‘gear factory’ in English.
Is ZF owned by Bosch?
On January 30, 2015, the Bosch Group completed its acquisition of ZF Friedrichshafen AG’s 50-percent share in the joint venture ZF Lenksysteme GmbH (ZFLS). The formerly 50:50 joint venture will be incorporated into the Bosch Group as a new division with the name Robert Bosch Automotive Steering GmbH.
Who is ZF owned by?
Who does ZF belong to? The company shareholders are the Zeppelin Foundation, administered by the City of Friedrichshafen, holding 93.8 percent of company shares, and the Dr. -Jürgen-Ulderup Foundation, Lemförde, with 6.2 percent.
Are ZF transmissions reliable?
As said above, the ZF 8-speed is an incredibly reliable transmission. In its nearly ten years of use, internal faults have been scarce, many of which have been user-related. If there is anything to look out for, it’s the occasional fluid leak.
What is the strongest transmission?
The Chrysler TorqueFlite A-727 (better known as just the ‘727’) is to this day one of the strongest automatic transmissions ever built.
How much torque can a ZF 8 handle?
With its flexible modular construction system, ZF’s 8HP covers a broad torque range between 300 and 1,000 N·m (221 to 738 lb-ft) and can be adapted to fit hybrid or all-wheel drive applications. The transmission comprises 8 gears, four gear sets and five shift elements.