Yes the 46 re will bolt up but make sure you get one for the same year so the
electrical connections will be the same. You may have a length problem, I think
the 46 is a little longer, but you can have the drive shaft shortened also the
out put shaft is larger on the 46 than the 44 so you will need a new yoak. You
shouldn't have a problem with the pcm either. The first gear in the 44's are
2.74 and the 46's are 2.54 ( i think ).
You don't want the 47. It is a very large heavy truck trany I think it is
called the A 640.
Look at my post on the Transgo valve body kit.
Colin H.
Whit wrote:
> My 44RE is dieing very shortly after swapping in a 360 with mods. I am
> looking to replace the 44 with a more stout tranny.
>
> Is the 46RE a drop in replacement, does it have the same bolt pattern, are
> gear ratios the same, is it the same length, will it wire up the same, will
> the PCM like it?
>
> I think I read that there is a 47 model tranny? Same questions as before?
>
> Does anyone make performance trannies like B&M does for the Chevys?
>
> Thanks.
>
> Whit
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