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Chay
We looked at the 6L80/90E a while ago. Would need a custom bell housing or adaptor plate. Then probably a modified ring gear and starter motor.
Big Pluses are:
cheap to obtain
low first gear 4:02
plenty of aftermarket goodies
strong box
The negatives are:
Output shaft spline/ housing to transfer box different ? Could adapt ! $$$
Length
Electronics again: could use a stand alone system, BUT it's a Ffrr I just want it to work the same as before :D
Laurie
these are all very common problems when doing an auto conversion, especially with this gearbox. I have just contacted a trans conversions specialist in the states and waiting for a response, who custom makes interface modules for this box to a variety of vehicles. (if it can be done for the latest cruisers and patrols why not the rangies, especially between 2 GM boxes with Can Bus of the same era)Quote:
Originally Posted by Laurie
6L80/6L90 Conversion Frequently Asked Questions
The spline adaptor boxes for the x-fer case would need to be developed but is quite common, apparently the lenght of the 6l80 is less than the 5l40? correct me if im wrong, "The 6L80E has an overall case length of 590mm/23.23" without the extension housing." this could be beneficial in leaving the transfer in the original position.
Nissan Patrol V8 Engine Conversions using the GM automatic transmissions
regardless of what/if a different box will be put it, adapters are going to need to be made.
anyway, this is just all a big ball of hope...and thats all we can do at this point! haha :D
The GM boxes lengths are:
6L80E 23.5 "
6L90E 25.0"
I questioned a few transmission ecu builders/modifiers in the US a while ago. At that stage the market was for GM, Chev and Jeep conversions only ! obviously this is where the big sales are.
The 6HP26 is 30mm shorter than the 5L40E
Laurie
Is it the 2.7 HDi landrover/PSA/Ford engine that is fitted to these. If so, what about the 6spd auto ford territory gearbox. It's readily available and should bolt right up.
You'd need an electronic controller to shift it though.
seeya,
Shane L.
No, the 2.7 in the D3, c6, territory ect has the ZF 6hp24. And these ZF boxes have a mechatronics unit (valve body, sensors and ECU all in one internal unit) so there is no way of using another controller. The GM boxes are controlled by an external ECU so technically something can be made, if it worth it is another Q. The idea of using a box and ECU from the same generation would be the best bet - although there are several differing CAN packet standards even from the same erea.
The attraction of the ZF is it is what is fitted to the post 2004 BMW X5 with the same engine, theoretically fit up should be easier.
I posted up all the coms details a while back (this is my comfort zone :)) - might be in the other thread from 5years ago about the 6HP24. Esentially the L322 would be a pig without integration between trans and engine, and several other systems (ABS, TC) recieve trans data.Quote:
Originally Posted by chaybra
Even to go manual you would need to retain some sort of trans ECU to keep everything else happy - unless you can get the source code, rebuild and load your newly built firmware to all the ECUs effected.