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  #1  
Old 03-26-2012, 04:23 PM
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OM617+240d 4 speed into gas w126?

Imagine you had a really cheap gas w126 that needed a new engine, and access to parts from 300sd, 240d 4 speed, and most other common w123 and w126 models, what would it take do that swap? I dont have any of those things yet, but I could get the car easily (for $200-300), and there are tons of parts in pick and pull.

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Old 03-26-2012, 05:38 PM
aaa aaa is offline
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Should be easy. Except for the 4-speed part, since the 123 pedals and such are not bolt on. The 300SD diesel stuff should all bolt on. What generation is the gas 126, early or late gen?
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Old 03-26-2012, 05:40 PM
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Its an 82 380sec.
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Old 03-26-2012, 11:12 PM
home of 4,5,6,8 cylinders
 
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is so much easier to put same thing in again, unless u have too much time on your hand & real handy in fabricating things!

some prev owner did drop a 300d in my 85 500sel, i saw the engine mount was custom made, and is not all that simple, because it is kind of off set on the holes.
nothing cannot be done, as long as u have deep pocket.
A 240d has on 60 hp on a good day, and a sec has atleast 150hp, so how does that add up?
my old 500 sel, was slwo going up hills, the 300d has only 80 hp, a turbo 300 puts out 120 hp.
do u live on the flats? never have to go up hill.
a 240d on a good day was under power, now u add another 1000 lbs to it.

i am sure u going to describe your car has adequate power, just like the RR folks refer to their cars.
probably less work if u hook a couple of Toro/ Green deere ride on mowers to your merc body and save more benzenes.
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Old 03-27-2012, 03:26 AM
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I DD a 300sd, and it does fine for what I need it to. I could swap another gas engine into that car, but then there is emissions testing and poor mileage to deal with, so idk. I didnt mean I would put a 240d engine in it, just the manual transmission with a 300sd engine. I just dont like the automatic in the 300sd, and I could get that car for cheap, thats the main reason i was thinking of doing that.
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  #6  
Old 03-27-2012, 04:02 AM
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cho cho is offline
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Quote:
Originally Posted by Travis_k View Post
I DD a 300sd, and it does fine for what I need it to. I could swap another gas engine into that car, but then there is emissions testing and poor mileage to deal with, so idk. I didnt mean I would put a 240d engine in it, just the manual transmission with a 300sd engine. I just dont like the automatic in the 300sd, and I could get that car for cheap, thats the main reason i was thinking of doing that.

just do it ,mate


( if you have 2.47 diff you can use it,2.24 is slow dog. )
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w126 500SEC gen II euro, powered by OM617 turbo stolen from 84 300SD 2.88 diff,EGR blinded
next wish/project: w114 coupe OM603 powered
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Old 03-27-2012, 04:24 AM
home of 4,5,6,8 cylinders
 
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not sure how u get the clutch pedal in?

or buy one of those floor clutch master cyl from those hot rod mag.

Or move the pedal system from a 123 manual car.


With a 4 spd, u should be able to shift when u wanted it.

120 HP definitely have enuf oomph to run a SEC body.

I was driving a 115 4spd, I really dont miss shifting.
U need to change over the clutch mechanism, remove flex plate and Torque C.

Or just leave the auto box behind.

Would u need to cut some hole for the shifter ?
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Old 03-27-2012, 05:26 AM
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.

717.400 5spd could be interesting for that swap,... but in US is very hard to find one,

240d 4spd manual requires work of cutting the driveshaft and the shift rods most
probably.


.

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w126 500SEC gen II euro, powered by OM617 turbo stolen from 84 300SD 2.88 diff,EGR blinded
next wish/project: w114 coupe OM603 powered
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