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-   -   Dry sump SSM 5's (https://www.offshoreonly.com/forums/drives-lower-units/321827-dry-sump-ssm-5s.html)

TURBO JET 01-07-2015 07:59 PM

Dry sump SSM 5's
 
Is there a way to dry sump 5's, and if so what are the gains.

Mad Mac 01-13-2015 06:23 PM

Tom Gentry did it for race boat back in the day. why would you want to there is very little loss with oil.

14 apache 01-13-2015 07:43 PM

use synthetic oil like torco MTF its thin like water.

adk61 01-13-2015 08:23 PM


Originally Posted by 14 apache (Post 4249166)
use synthetic oil like torco MTF its thin like water.

agreed... the Synthetic racing gear lube is very thin and has much less parasitic drag

byrideroffshore 01-27-2015 04:00 AM

If anyone can pat Weismann of traction products Costa Mesa ca can. He developed the first 6 drive total drive sump drive. We run them on our race boat. Super sharp drivetrain guy.

Team Archer 01-27-2015 05:28 PM

Pat is the only one that has ever dry sumped a number 4 drive that was back in the day for Victory team.

RMPRam 01-27-2015 06:23 PM


Originally Posted by Team Archer (Post 4256951)
Pat is the only one that has ever dry sumped a number 4 drive that was back in the day for Victory team.

Was it "worth" the expense? Performance gain?

Team Archer 01-29-2015 11:48 AM

Don't remember the exact gain but they were never lost a race when running at the finish.

ICDEDPPL 09-12-2015 09:00 AM

A wet sump #6 consumes about 55-70hp.
A dry sump # 6 only 12hp.

http://www.mercuryracing.com/sterndr...han-you-think/

I believe the earlier SSM drives (III IV V) eat up about 75 hp.

I think dry sumping one would be some nice free HP

indysupra 09-12-2015 09:28 AM

if it's 50 hp at the prop gain then could be worth it. But not for 10k per drive


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