Ever wanted Overdrive?

inkjunkie said

it is not always about saving gas. 3000+ rpm on the road gets old real quick, for me. my last toy, years ago, was a Ford Ranger 4x4. Put a 302/c4 in it. 4.56 gears and 31" tires= 3300 rpm on the freeway. burnt up 2 motors in 70k miles.Not to insult anybody, but stepping out of the 1970's in not necessarily a bad thing. Sure this stuff is expensive, but what are you going to do.

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Hey Ink, I get that part. It just gives me a giggle when it's the first thing somebody says about putting in an OD tranny. It's usually the starting point for a dialogue to educate a potential customer.
Knowing more about your project, I see why you are going with the 4l80. It sounds like the ideal trans for what you are doing. Plus you're getting a bitchen deal.

I've used most of these OD units that are being talked about here.
I am in no way a trans expert. I have used the GV unit in multiple applications and haven't killed one. (Nor have I seen trans failure related to converter slippage, but I have seen higher trans temps, so I have drawn my own conclusions.) I'm just thinking there is better technology out there now for the performance we are hoping to acheive. As with anything, there is a place and an application for most equipment. It's more a matter of picking what is right for what you want to do. Kinda like not taking a rocket launcher to a squirrel hunt or a .22 to sink a ship.