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  150 Montauk Prop Selection

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Author Topic:   150 Montauk Prop Selection
jasiu posted 05-31-2015 09:54 AM ET (US)   Profile for jasiu   Send Email to jasiu  
I recently purchased a 2006 150 Montauk with a 60hp Mercury Bigfoot for fishing. It didn't come with the standard issue 13 3/8 x 14 SS prop, but rather with an aluminum prop with no markings on the inside or out. The WOT performance with two guys on board and some fishing gear, with the boat fully trimmed out, fairly smooth water was 30 mph (on board GPS) at 5100 rpm. Does anyone have a suggestion for an aluminum prop that would increase the engine speed closer to 6000 rpm? Or should I just buy the correct SS prop--ouch?
Tom W Clark posted 06-02-2015 12:51 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
I do not recommend an aluminum propeller for this boat, but to answer your question, if you had to have aluminum, I would choose the 13-3/4" x 15" Mercury Black Max, Part #48-77342

This propeller is also available under the Quicksilver brand as the Black Diamond, part #QA2034X

jasiu posted 06-02-2015 07:30 PM ET (US)     Profile for jasiu  Send Email to jasiu     
Thanks for the information Tom. Why do you recommend staying with a SS prop?
Tom W Clark posted 06-02-2015 09:04 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
Most stainless steel propellers will perform much better. More speed, better fuel economy, improved handling and they last much longer so that in the long run, they cost less.
jasiu posted 06-03-2015 12:01 AM ET (US)     Profile for jasiu  Send Email to jasiu     
Any suggestions where I can get a good price on the SS prop and a specific hub I should specify?
jasiu posted 06-03-2015 12:04 AM ET (US)     Profile for jasiu  Send Email to jasiu     
Any suggestions where I can get a good price on the SS prop? And, is there a specific hub I should specify?
Tom W Clark posted 06-03-2015 07:38 PM ET (US)     Profile for Tom W Clark  Send Email to Tom W Clark     
Well, the Mercury Vengeance is probably fine for you bat but I am not fan of that model. It is one of Mercury's weakest and oldest stainless steel models.

It is also sold as the Quicksilver Silverado. The 13-3/8" x 14" is part # QS5114X and typically costs less than the Mercury branded version. A quick search suggests you could get one for about $300

PowerTech! offers numerous models to fit your motor. I don't have a lot of personal experience with them but I know Ken Reeves likes the SCD3 for smaller boat with he intermediate gearcase.

I would use a 13-1/4" x 13" Stiletto Advantage which can be had for $240, maybe a little less. The factory has them in stock against after a long backorder.

In all cases, I would use a Mercury Flo-Torq III hub kit to help cut down shift clunk and prop rattle with a stainless steel propeller on that four stroke motor of yours.

jasiu posted 06-04-2015 01:29 AM ET (US)     Profile for jasiu  Send Email to jasiu     
Where can I get a Stiletto Advantage size you suggested? I checked Dan's Discount and a few others, but that size doesn't show up.

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