180 Pro 150 HPDI Set-up

Discussion of Blazer's line of Bass boats.

Re: 180 Pro 150 HPDI Set-up

Postby Rebel1 » Tue Jun 10, 2008 8:07 am

Ok, all of the Merc props need to be balanced and blueprinted, as they tend to be way out of whack in stock form. Your 25 may be a 25 on 1 blade, 26 on another, and then a 24 on another, so getting them worked cures that problem. Have you checked to make sure that your hotfoot is opening your butterflies on your throttle body all the way open? When you set the boat up, did you set it up like you fish, or with the boat empty, cause that will make a difference. Your slip numbers with the 25 is 13% and the 23 is 14%, both is high and that is where you are losing your speed, so it could be the props or your set up is not right. Do you know what your propshaft height is?
Jason Carnley
08' 202 DC/ Yamaha 300 HDPI
Turbo Props Pro Staff
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Re: 180 Pro 150 HPDI Set-up

Postby blublzr » Tue Jun 10, 2008 10:25 am

I do not remember where my shaft height is set. I will check it and get back with you tomorrow. I did load my boat with fishing equipment before ever trying it.
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Re: 180 Pro 150 HPDI Set-up

Postby blublzr » Wed Jun 11, 2008 9:52 am

I am 3 inches below the pad. That is if I measured it correctly. Should I start bumping it up until my water presure goes bad again?
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Re: 180 Pro 150 HPDI Set-up

Postby Rebel1 » Wed Jun 11, 2008 9:59 am

As long as you leveled the pad and the cav plate on the motor the measurements should be right. You are way low, you should be around 1.5 below the pad. Have you had it this high yet? I would try it just to see then we can go from there. If you have any questions, just give me a call. 601-238-0690.

Jason
Jason Carnley
08' 202 DC/ Yamaha 300 HDPI
Turbo Props Pro Staff
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Posts: 53
Joined: Fri Nov 30, 2007 8:06 pm
Location: Gonzales, LA

Re: 180 Pro 150 HPDI Set-up

Postby BKB » Wed Jun 11, 2008 4:03 pm

Rebel1 I am going to check my height this evening and will get back with you in the AM. Thanks for trying to help. It is greatly appreciated.
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Re: 180 Pro 150 HPDI Set-up

Postby BKB » Thu Jun 12, 2008 2:26 pm

Rebel1,
My motor height was messed up as well. I was 3 1/4" below pad. I moved it up to 1 1/2" below pad and will try it. I had run it this way but was having trouble with getting up on pad. I have had some cup put in my prop since then and will try it to see how it does.
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Re: 180 Pro 150 HPDI Set-up

Postby Rebel1 » Thu Jun 12, 2008 3:45 pm

Try it and report back with your rpm, speed, and wot numbers and we will go from there. Explain to me what you mean by " having trouble with getting up on pad ". Do you mean you had problems with the hole shot or the boat does not have enough lift?
Jason Carnley
08' 202 DC/ Yamaha 300 HDPI
Turbo Props Pro Staff
Rebel1
 
Posts: 53
Joined: Fri Nov 30, 2007 8:06 pm
Location: Gonzales, LA

Re: 180 Pro 150 HPDI Set-up

Postby BKB » Mon Jun 16, 2008 12:21 pm

Rebel1,
I tried running this weekend but had little success. The weather didn't want to cooperate. I did run yesterday after raising my motor but everything in the boat was wet from the storms coming through, including me. I was able to get 5400 RPM's ~ 10-12lbs water pressure and in the turns it fell to nothing. The other problem I am having is as I stated before I am not getting any lift (not on the pad), the hole shot is fine. Throwing a huge rooster tail as well. The sad part is I had some additional cup put in the prop last week to try and help with that.

Thanks again for the help.
BKB
 
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Joined: Wed May 14, 2008 3:07 pm

Re: 180 Pro 150 HPDI Set-up

Postby Rebel1 » Mon Jun 16, 2008 5:20 pm

As long as you keep your water pressure at 12-15 lbs. you are fine, and in the corners you will loose pressure, nature of the beast. Sounds like you need to try a different prop, but there are so many different varibles, including motor heights, load, weight distribution, props, and driver ability. Keep playing with the motor height, moving it up and down, and keep notes on heights, rpms, and speed and find some props to try.
Jason Carnley
08' 202 DC/ Yamaha 300 HDPI
Turbo Props Pro Staff
Rebel1
 
Posts: 53
Joined: Fri Nov 30, 2007 8:06 pm
Location: Gonzales, LA

Re: 180 Pro 150 HPDI Set-up

Postby blublzr » Mon Jul 14, 2008 2:03 pm

I have raised my motor up to 2 1/4" below the pad and I am getting 60.2 mph and hitting the rev limiter(5750 rpm). I am running a stock 23 tempest. Should I get a 24 pitch or have more pitch put into my 23?
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