Gear Vendor's Under/Overdrive

[Stepside Jim]

Well... purchased, installed, but I'm still working on the build and haven't gotten a chance to use it yet.

I've done a few pictures of the install in my build thread. 1957 Chevy truck re rebuild. ( Yes Ogre, I need to put it in my signature)

We have one other who has it installed on one of his vehicles, I believe he will be getting one for his 57 Truck.

Next up will be the Gear vendors vs an over drive transmission, personal preference and cost will also need to be considered.

[Speedbumpauto]

I used a US Gear V2 unit/TH400. Kind of the same but not as easy to split gears. The down side of the Gearvendors is it's only 22%, I think. The factory OD's are all about 30% as is the unit I chose. The upside of the Gearvendors is the ease of shifting and splitting gears. Mine is either in or out with a mechanical linkage. Mine has only driven in and out of the shop at this point but in today's world and lower prices, I think I would go with a 4L80 derivitive of some sort. Prices were crazy for stand alone's some years ago when I started my project and I was afraid to trust my 500cid big block to a 700R, etc.

[mark '87 930]

Too expensive for my taste, so i swapped transmissions. I ended up with a better OD ration anyway.