When I last had my Sub running, I loved the 3-speed on the column...nice
and easy when it's right, and mine was. The only thing I didn't like
about the whole setup was the 3.90 ratio on the highway, which was a
contributing factor to my losing my original V8. I do almost no city
driving; it's almost all rural 2 lane roads and the Interstate. If I
calculated correctly, the OD drops the final drive down to 2.73 when
engaged.
Mark N
On 12/11/11 4:03 PM, mark@noakes.com wrote:
> I happen to have the 3-speed out of my 58 Suburban stored next to the
> 3-speed OD I plan to put back into it. As far as I can tell, they are
> identical in length, 22 inches from trans-to-bellhousing mount to end
> of tail piece plus 1/2 inch out the back for the splines on the shaft.
>
> Mark N
> 58 Chevy Suburban, 2wd, V8 3-speed OD if I ever get it finished
> 58 GMC 1/2 ton big back window short bed wideside, NAPCO 4wd, 4-speed,
> 270 6, orig power steering
>
> On 12/11/11 3:29 PM, Robert Swanson wrote:
>> I have a 3 spd overdrive from a 1/2 ton (55-59), and it looks to
>> be the same
>> length as the standard transmission. I don't have a regular non
>> overdrive
>> tranny to confirm the measurements. I have a parts book and will
>> look to see
>> if the driveshaft for the overdrive is a different part number.
>> If someone does have the length of the talishaft for the non
>> overdrive
>> transmission, it will be easy for me to confirm whether or not the
>> driveshaft
>> length will have to change. I don't think it does.
>> If you don't have the parts for the column shift, I would just
>> use a floor
>> shift. Old column shifters can be a pain to get set up properly.
>> The transmission freewheels when it is in the overdrive mode.
>> Bob
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