Purchasing a 41’ boat that I have been on in the past, friend sold it 10 years ago, 575 SCI’s tuned at 750hp with Bravo XR drives 4 blade 32p props. I know these drives can be questionable with power but driving style can make them last longer. Are there any upgrades, things to consider to make these drives last behind this boat?

I know regular oil changes and avoiding hard hole shots/keeping the props in the water is a good idea. Thank you in advance for your input!

Drive showers seem to help.

I forgot to mention it has drive showers

Just build a spare and keep in truck. Easy swap when necessary.

That is the best plan. I carried a spare XR drive with me for years. It doesn't take up much room in the bed of a truck. I used it a few times and loaned it out quite frequently. It only takes a few minutes to swap one out at the ramp.

Carry spares, deal with constant breakdowns, chase the next cure, spend time and money and find a support group that will tell you what you want to hear but in the end you’ll be back at the same spot you are in today , just with a lot less money. The smart people are swapping to arnesons even though everyone here are loyal to bravos they are paying dearly for their loyalty

Time for an SCX or similar if you outgrew / got sick of the bravos

Spares , hard shim the input shaft pinion and dump as much water that
you can to keep the upper cool.

And put a lot lower expectation on how long the’ll last

Or there is this. and This is exactly what I did w my T/S after chasing XR issues for the first 8 years. I caried a pair of XRs and props- because I had 1.50 and 1.36 ratio drives.
Then 7 yrs of Trouble free- well No Drive Issues- Boating.
Over 800 HP.

How many hours in those 7yrs of boating?