Quote:
Originally Posted by 84 PUMPKIN
A long TH350 transmission will bolt right up with no surgery. Unbolt the crossmember and slide it to the next set of holes and re-use your existing driveshaft. You'll also need a vaccum line for the modulator valve. Just changed a 305/700R combo to a 350/350 in my '84 C10 last week and it's an easy swap. I've done four or five of these swaps.
I've also done several TH400's. They work pretty much the same but you do have to get a longer driveshaft.
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i am looking at buying a 350 / 700r4 combo for my 83. isnt the 700r4 trans a better choice than a 350 or 400 since it has o/d ? unless you are going for all out strip performance.