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-   -   TRS weak cases? (https://www.offshoreonly.com/forums/drives-lower-units/329659-trs-weak-cases.html)

Full Force 08-13-2015 09:47 AM

TRS weak cases?
 
I have gone through 2 try's in 15 hours one set of lower gears were brand new, I am pushing big power for a TRS but the last RH went 2 seasons of extremes a use no failures .... So I am wondering now how many failures can these cases take? I seriously think there is a case issue helping mine die so fast now I don't have corrosion but had at least 2 explosions inside that I know of who knows how many before that.... Is there a point where it just won't hold anymore?

I am well state of all the issues with bigger power and TRS but should last longer then 14 hours

Unlimited jd 08-13-2015 10:18 AM

Who's building them?

Full Force 08-13-2015 10:25 AM

My buddy Scott he's been doing them for many years never had issues like we're having all the sudden

phughes69 08-13-2015 02:22 PM

How many times has the thought of moving up to 3A's crossed your mind? From what I hear the transom cut out is larger on the SSM 3A's so that is not an issue. I think really the only big issue for us TRS guys is the trans tailstock (other than the cost of the drives and props)

Full Force 08-13-2015 08:58 PM

Oh it's in the plans for future, but gonna be at least 2 seasons away, I had more power in old engines as far as TQ goes, I beat the drives never had issue, until n ow... I wonder if there is crack inside case allowing flex maybe? or just weak? or just bad gears, who knows some live some don't..


Originally Posted by phughes69 (Post 4342369)
How many times has the thought of moving up to 3A's crossed your mind? From what I hear the transom cut out is larger on the SSM 3A's so that is not an issue. I think really the only big issue for us TRS guys is the trans tailstock (other than the cost of the drives and props)


MILD THUNDER 08-14-2015 08:25 AM

Your setup is like putting a 14-71 blower on a 2 bolt main 330 engine, and wondering why the crank snapped.

TRS +650hp+heavy hull+rough water+aggressive driver = broken drives. Lol

ICDEDPPL 08-14-2015 08:47 AM

You`re in denial! 1" prop shaft, nuff said.

redcorvetteman3 08-14-2015 09:28 AM

What is the weakest part of the drive? I can't remember anymore..

Full Force 08-14-2015 01:23 PM


Originally Posted by MILD THUNDER (Post 4342633)
Your setup is like putting a 14-71 blower on a 2 bolt main 330 engine, and wondering why the crank snapped.

TRS +650hp+heavy hull+rough water+aggressive driver = broken drives. Lol

Hahah wtf was I thinking? Oh well guess I need more spares!!! I have no idea how the last ones went 2 seasons of abuse

Full Force 08-14-2015 01:23 PM

Lower gears and on a right hand pushes against the carrier the left pushes into the case...


Originally Posted by redcorvetteman3 (Post 4342668)
What is the weakest part of the drive? I can't remember anymore..



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