Quote:
Originally Posted by stephenc1984
I live on an island where the top speed is 25MPH. Steep winding roads that are mainly unpaved. I saved the 83 sedan out of the junk yard and have been harvesting engine and other misc parts over the last few years. It needs a new engine which I have. I need lower gears for the hills. I was thinking of swapping the diff for a 240D diff(3.69?) to achieve that. By swapping the diff for lower gears, how does that effect the shifting/vacuum components of the automatic trans? Realistically it would probably only need one shift to get to 25MPH maybe two. Also, I know that the auto trans starts in second gear even when the "L" position is selected. Are there anyways to make the trans start in first?
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1) What is the current final drive ratio? Stamped into lower corner of the rear face of the main diff housing. Shifting will not be affected by a change of final drive ratio; the shifts will simply occur at a different road speed. [W114/115 cars with various engine installations had 3.92:1 gearing. I have one, should it not be found elsewhere.]
2) What is the transmission model? A string of numbers stamped into the right side pan rail just above the pan gasket surface.
04-29-2018, 03:31 PM
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