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Originally Posted by Longhorn Man
If the gear vendors is doable to you as far as the $$ goes, then it is the only way to go.
I would never want a 700R4 with a big block and towing....that's an expensive combo.
the 3.07 gears would be fine with the big block, however, good luck finding those gears for both diffs....pluss, the cost would add up onless you can do it yourself.
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This ones going to up for discussion for a while. I have a shop that is rebuilding my 700r4 for my 502 in my Jimmy, He says that the 7oo is the only way to go. He rebuilt a 4oo for a large motorhome with a 454, then installed a gearvendors behind it, that combination did not last long for the customer. They had problems with the tranny overheating, bad fuel economy etc. The shop then built a 700r4 to go behind the 454 with the same rear rear gears, and according to the onboard tripometer , the 7oo was even better in fuel economy. I dont know if it was a issue with a faulty unit, I really doubt it was the install, because one person did the rebuild to install, but something just didnt work.
This tranny shop has been around in Calgary for many years, building many high engine torque trannies and the shop owner even has some ties with GM becuase of his modifacations to the 700, and he FIRMLY told me NOT to use the gear vendors. I was all set on the 400./ gear vendors setup, so at one point I was a beleiver in the gearvendors.
One question I would like to ask if there is anyone out there who has a Gearvendors installed in their truck, and drives the truck daily, what is their opinion??
, Darren