I am ready to order some drives and for sure going SCX upper but thinking SC lower. Will SC lower hold up to 800HP? I know dual down shaft is option but expensive! SCX lowers are pretty good deal but have been told they will slow boat down considerably compared to SC. Any opinions....

Loose a couple mph or find the next weekest link lowers , are you doing -4,s or reg bravo set up ?

Just -1 bravo set up.

The SC lower has XR gears from what I'm told, so will it hold 800 ponies ?? not sure, a lot comes into play in how its driven

Fred at IMCO told me when I did my SCX upper SC lower combo the SC lower was good for 1000HP.
I run Smith Power 800 HP motors with no problems.
Like anything how you treat it will be the final tell.all.

Thanks!

I am Very happy w my full SCX's. Yes I did lose some top end. BUT I have Not had any down time due to drives since I installed- Brad installed in 2013-
725+ hp- Just pulled my best speeds last week before haul for winter
Did I mention NO DOWN TIME since SCXs- Well Due TO SCXs lol

SCX with DD Lowers are really worth the money , I would go full scx for heavy boat / rough water / big Hp.
I also get the -2 , with a 2" spacer so I have some leeway to adjust propshaft height.

How much speed did they cost you?

In 2 years I broke 4 Bravo props. In 4 years I broke 2 Maximus props. I don't think I'll break the #6 props.
It's not just about the drives, make it all bigger!