A friend of mine has done a few of these conversions.
I don't know all the details , of the conversion other than you can still use your TRS transom assy. He asked me to post this question just to see if there would be a market for it. If so I guess he would start doing it.
Any feedback would be helpful.

Bravo Shop has a kit. Check them out.

if it was cheaper than the other kits i am sure there would be. I know the stellings extension box conversion is VERY pricey.

I would be interested, but would like to see some results, and gains that were achieved. It's kind of hard swalling the expense of the bravo's if you don't gain anything. I posted a question once before about the Stellings Box, and someone replied saying there was no gain, and the X dimension was not correct.

Panther
I'm getting ready to do a swap on a buddies boat,I'll post results but it probably will be spring be for we run it

Alfster,

I would like to know more on how you're doing it? Are you using the existing Gimbal Assembly, and putting on a Bravo Bell housing? Adapting a Bravo Transom Assembly to fit in the existing TRS transom assembly hole?

Why don't we find a way to put (adapt) a Bravo lower on a TRS upper. I blew 6 sets of TRS lower gears on a blown Top Gun, and never hurt the upper section. JB

Maybe someone can find an old trs speedmaster we can copy. They held up well.

I'm changing everything from inner and outer transome plate gimble and drive.Someone makes a gasket to convert trs to bravo,I think its mercury when I get the part# I'll post it.We are expecting (hoping) for a 4-6 mph gain.

I'd be more interested on a TRS to Arneson conversion or just a good Non-Mercury drive that would bolt to the TRS gimble. Bravo's seem way to easy to break to be woth spending time and money to convert "TO" one.

My $0.02

-Greg