Thread: 1971 250
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Old 03-15-2001, 10:38 AM
debi debi is offline
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Join Date: Mar 2001
Location: Strawberry Plains in East Tennessee
Posts: 61
My 1971 MB, 250 Series, needs help with compatible parts and it is SO old it's hard to find any like it. I may need to replace the differential / rear end as there is a rhymical roar I can "feel" occuring when I am driving... let off gas and it stops. Pinion gear perhaps. But, I've found a 1969 230 Series, with a blown engine, but rest looks good so far. A salvage auto yard says the rear ends are compatible. Does that mean the '69 and the '71 both have rear ends that are interchangable? And is there anyway I can change the gear ratio to be higher? Gas mileage is 11-13 on the road and with prices so high... would higher gearing help?
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