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-   -   Why Not Run Bravo as Surface Drive? (https://www.offshoreonly.com/forums/drives-lower-units/272624-why-not-run-bravo-surface-drive.html)

bor 03-21-2012 04:09 PM


Originally Posted by Wally (Post 3646036)
Your probably gonna want a set of these for that :D

:eekdrop:

Wow that looks good where can I get these !!! most cost a fortune ,what are the specs on those ?

Airpacker 03-21-2012 05:07 PM


Originally Posted by bor (Post 3643869)
I gonna try this in a few months whit 560hp in front of it

Ran one on my 25 Daytona with 570hp infront of it for 160 hrs.

The one thing that will kill them is heavy loading when planing off. If it lugs real bad, the torque kills the vert shaft. Trust me on that one.

I ended up running an airation tube to stop that issue.

If you don't power slam the hole shots and the drive is build correctly with good attention paid to back lash, it can live behind that motor.

TooTall 03-22-2012 07:37 AM


Originally Posted by bor (Post 3646285)
It s a 21 ft v hull from the UK called phantom 21 normally a outboard which I converted to a inboard whit a stroked ls 2
http://i1007.photobucket.com/albums/...1/IMG_0137.jpg

http://i1007.photobucket.com/albums/...1/IMG_0010.jpg

got any more pics of the engine mounted up?

any specs on the LS2?

Who made those headers?

Why point them forward vs right out the rear ?

Wally 03-22-2012 07:59 AM


Originally Posted by bor (Post 3646287)
:eekdrop:

Wow that looks good where can I get these !!! most cost a fortune ,what are the specs on those ?

I honestly dont remember....another member (Cord) posted those up....i think he may have had them on his boat....PM him

bor 03-22-2012 01:04 PM


Originally Posted by TooTall (Post 3646671)
got any more pics of the engine mounted up?

any specs on the LS2?

Who made those headers?

Why point them forward vs right out the rear ?

it' s build by a friend of mine who is building these engines for many years for the european gt3 class car races ,it stroked to 406 whit a forged rotation assembly he converted it to dry sump whit ls7 parts and we used L92 heads ,don't know the cam specs .but we updated the springs ,ecm and wiring is mast motorsport .

The headers are lightning 's we dynoed it whit the cmi's but they have a very poor collector and bought the lightnings later for a good price we think to found another 20 hp whit them .

they point forward s because the transom is angled and they won't fit then and the engine like some exhaust length and makes more tq whit narrower pipes .

bor 03-22-2012 01:04 PM


Originally Posted by Wally (Post 3646682)
I honestly dont remember....another member (Cord) posted those up....i think he may have had them on his boat....PM him

thx wally will shoot him a pm !

Katabatic 03-22-2012 01:35 PM

drives
 
Whew, glad to see it wasn't your Hustler!

bor 03-22-2012 01:45 PM


Originally Posted by Katabatic (Post 3646973)
Whew, glad to see it wasn't your Hustler!

Me too THE bh Will not survive THE diesel power !!!!:lolhit:

This my toy when I m alone whitout wife and kids !

Just empty your mind by going fast !

Airpacker 03-22-2012 02:22 PM

bor, does that hull have natural bow lift? You wil find the BH drive does nothing but shoot a higher rooster tale when you trim up. It takes forward speed and a natural bow lifting hull to make that drive work properly.

Pokher Ace 03-22-2012 03:21 PM

Bor

Have you ran that exhaust yet? From the pics it looks like it runs uphill??


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