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-   -   Upgrade an Alpha drive (https://www.offshoreonly.com/forums/drives-lower-units/292354-upgrade-alpha-drive.html)

Komo 03-02-2013 01:37 AM

Upgrade an Alpha drive
 
hi,

I improoved my engine power to two 383 strokers (350mag before) I know the Alphas are not strong enough. is there any chance to improove them ? Stronger gears? Other ideas?
I need to stay with the alphas so every idea how to make them more reliable is welcome

Thanks

Daniel

sprink58 03-02-2013 07:33 AM

Well....since you're determined to stay with Alpha...get ready to spend some $$$$ with this guy. He has taken the Alpha to the limit and if anyone can help you up grade an Alpha he can. Good Luck.

http://rlcboats.com/triple_digits/pr...pledigits.html

I see that you are in Germany and I can understand that Bravo drives and parts might be difficult to find for you. I have a friend that exports used Mercruiser parts including Bravo drives and accessories to Germany regularly. If you wish I can get the name of his contact in Germany that may be able to help you.

Biggus 03-02-2013 07:42 AM

My neighbor repowered his 26' Sutphen with ZZ383 crate motors back in '05, ran the stock Alpha's for 5 seasons before any issues. (counter lower failure) Winter '10-'11 he installed new Gen II Alpha's & gimbals. No issues to date.

floatingphil 03-02-2013 08:19 AM

If you don't already have drive showers you will want to install them.

Komo 03-02-2013 05:55 PM

Thanks for your replies, the drive showers cool the drive but is the oil temp the problem ? In my opinion the problem are the weak gears.
I have a pachanga 27 with twin 383 . I think they will have around 400hp each . I know the pachanga 32 with twin 454 and alphas damage them regulary...
@sprink. Thanks There is not a big problem to get bravos here , but they cost around 13000usd a pair , and used ones are hard to find :-( I sent you a pm

johnnyboatman 03-08-2013 10:31 AM

Ive got a good alpha for sale cheap if interested


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