I'm probably just not understanding the whole concept of what it does, but why do I need a billet o/d servo? Whenever I'm in OD I'm either slowly accelerating, slowly decelerating, or just cruising. Where's the hard stress in a situation like that?
I would think that gears 1, 2, 3 and shifts 1-2, 2-3 is where you need the holding capacity; not cruising down the freeway at 70 mph...

What am I missing

 

They are not really needed. I get all I need from 4th gear with valvebody and accumulator modifications.

 

I didnt mess with it in mine and Im going to trust it with a 550hp 418 in two weeks

 

They haven't been out that long. Just a couple years. I really didn't care for the firm o/d apply with the new larger piston. People have figured out how to prevent the mysterious 3-4 burnup.

 

Cool, thanks guys for the input...

 

The same band controls 2nd and 4th(od)......if you're cruising in od with less than adequate pressure on the band, it will burn, glaze...etc. By keeping the pressure higher (on the band) in od, essentially keeps the band "alive" longer and ensures good 1st to2nd ( and 3rd to 2nd) shifts.

 

Well, I just placed my order; and one of them wasn't in it...

 

Got both in my tranny. Seems to work pretty dam well.