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M110 280GE engine..

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Dubai_wagon
Posts: 142

Re: M110 280GE engine..

Post#11 » Wed Dec 06, 2017 9:42 pm

Thunderguy wrote:Sorry, was not very attentive and missed that Dubai_wagon was asking about 5 speed automatic transmission. In this case I don’t know solution too, think it is not impossible to couple 5 speed auto with m110.

hi thunderguy, im keen to get a manual 5 speed :)

thanks

Dubai_wagon
Posts: 142

Re: M110 280GE engine..

Post#12 » Wed Dec 06, 2017 9:45 pm

Chris wrote:The single best modification I did on my 1980 280GE was to replace the miserable original 4speed manual (why such a huge awkward gap between 2nd and 3rd?) with a G 4spd auto. The torque converter really helps this motor’s lack of torque under 4000 RPMs.

For this motor, which is happiest and most efficient between 4000-6000rpm, an overdrive transmission is hardly worth the effort.

Hi Chris,
you are right, i agree with you that M110 mostefficient perfomance is between 4000-6000rpm, but due to the long drive travel that might be a bit annoying , maybe the overdrive on the 5th gear would help ? what do you think ?

and for the auto 4 speed, i have another W460 which works perfectly with the auto 4 speed.


thanks and best regards

Dubai_wagon
Posts: 142

Re: M110 280GE engine..

Post#13 » Wed Dec 06, 2017 10:01 pm

bram_r wrote:
Chris wrote:The single best modification I did on my 1980 280GE was to replace the miserable original 4speed manual (why such a huge awkward gap between 2nd and 3rd?) with a G 4spd auto. The torque converter really helps this motor’s lack of torque under 4000 RPMs.

For this motor, which is happiest and most efficient between 4000-6000rpm, an overdrive transmission is hardly worth the effort.


I always felt my 280GE had plenty of torque from 1500 rpm. It can do the higher revs as well, great engine altogether.

The original 5 speed on the M110 is Getrag 717.420 (starter on the right). (717.400 is the W123 version, but also fits).
The 717.422 is basicly the same tranny, but then with starter on the left side.

I was looking to install such a 717.420 5 sp in my 280GE to lower the revs when highway driving, but eventually went turbo diesel.

Not sure which one of the later Getrags (717.4xx) have the starter on the right.

gr. bram



hi Bram,,

thanks for your detailed response, on my case i need to keep the 280GE as goining into the option of changing to turbo diesel is not valid for me..

so i will keep searching for the 5 speed manual that can fit without headache and modification to my 280GE engine .


thanks and best regards

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