A little interesting history which also talks about our trannies and ZF.
Was the LH based on the Eagle Premier?
Dan Minick wrote:
There are some interchangeable parts, such as rear brake components, and miscellaneous other stuff. It's my understanding that Hal Sperlich's team had another big transverse-engine car fairly well along in development, but Lutz didn't like it, so Castaing suggested using the Premier/R25 chassis as a starting point for a new big car. Most everything was changed, but engineering-wise they started with the Premier. Sperlich's big transverse-engine car was sent to the dust bin along with him.
Bob Sheaves wrote:
When Castaing took over as VP of Engineering- the LH was thrown out and the Premiere was used as the basis. True, the components are not interchangeable, but the geometry is exactly the same for the suspension, and the packaging was derived from the Eagle Premiere. All of the suspension and drivetrain mules were Premiers also.
As far as the GS trans, yes some of the internals are the same, but the case and power transmission sequence is different- shared only with Prowler at this time. The half shafts are perpendicular to the power flow in this trans, where the GS (and NS) uses a parallel arraingement. The ZF used in the Audi 5000/100 series was the prototype used for development of the LH/LX.
As a side note, if you compare the trans in the Premiere to the Audi Quattro (ZF) you might be surprised. Then compare the LH trans....LOL
(When the original LH was being designed, there was an LX platform that was configurable as AWD, FWD and RWD by swapping components around. If you remember the TV series "Viper", they had, in the initial show, a crash of 4 "Premiere police cars" that had a funny wheelbase if you looked closely. The rear tires were 6 inches farther rearward than a normal Premiere. These were our LX prototypes that had 360 v8s and Audi/ZF AWD transaxles.)
...[the original LH/LX that Mr. Sperlich had done looks like] a Dynasty, 6.5 inches wider, 13.2 inch longer wheelbase, and a "hot wrench" passed over the sharp creases in the vehicle reveal lines. A lot like the Buick LeSabre of 3 years later.
...Yes, it was based on the Premier, in all its glory. The rear suspension is as described in the link provided, but with one addition...AMC recieved 2 patents on the torsion bar design. Chrysler developed longitudinal torsion bars into a high science, but the transverse bars of the M-body (when used in police service) had an annoying tendency to allow the front suspension to lose alignment whenever a curb was hit. The same engineer responsible for the M-body design corrected the problems on the Premier, in that the bars were "folded" together into a single, more compact design that was more rigid in bending and smoother riding, due to lower rate and greater travel.
Another interesting thing was that (although not generally publicised) Chrysler destroyed the LH mule cars in a very public manner. At the beginning of the TV show "Viper", you will see 3 Premier police cars that are destroyed. If you look closely, the rear wheels are not in the proper rerlationship to the rear door as on the OE cars. This was because they were LH mule cars, one of which was a v8 (5.2L) with AWD, and an Audi 5000 (nee 100) transaxle and driveline......
On suspension travel, only the Baby-Ram Dakota 4x4 (at that time) had more wheel travel than the Premier/ LH design, allowing a more smooth riding tuning to be configured...
Rob McNay wrote:
I currently own a 1997 Eagle Vision TSi and my last car was an 1991 Eagle Premier ES Limited. The Premier has a solid axle, torsion bar rear suspension with leading shock absorbers. The LH cars have an independent rear suspension with 2 lateral links, a trailing arm and a MacPherson strut per side. In the front, the Premier has a MacPherson strut with a lower A-frame control arm and the caster and camber are fixed and unadjustable. The LH is a single lower control arm with a leading tensioning strut and MacPherson struts. Caster and camber are fully adjustable.
Here's a link for more