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View Full Version : XTB Allisons and props



RiceKiller
03-04-2013, 09:28 PM
guys whats a good all around prop for the 21 xtb with a stock 225 promax

Corona Mike
03-04-2013, 09:52 PM
guys whats a good all around prop for the 21 xtb with a stock 225 promax

If It Still Has The Limiter....30" Hoss Triton-1 With A LITTLE! Extra Cup. The Mazsco's Run Good...Just Not For Very Long, They Crack!. I'd Either Call Or P.M. Tim Bostic. His Props Run Very Well On Allisons.

RiceKiller
03-04-2013, 10:36 PM
its a new motor limeter is 6850 i had a 26 mazco re4 that i never ran on this motor and sold it.. right now i have a old 26 trophy A41 with the small holes i fish touraments but not real heavy

Corona Mike
03-04-2013, 10:49 PM
its a new motor limeter is 6850 i had a 26 mazco re4 that i never ran on this motor and sold it.. right now i have a old 26 trophy A41 with the small holes i fish touraments but not real heavy


With The One We Had Years Ago, We Ran A 2.4 EFI oval-port down-draft motor. The limiter was 7250, and a GOOD 28 chopper was rite on the limiter. Your pro-max probably makes very close to the same horse power, so the 6850 limiter will come into play I would think. Talk to Tim, he mite suggest a 28 with a little extra bite depending on how you load the boat. I said try a 30 because that would keep you off the limiter for sure. If you fished tournoments all the time, I'd suggest running a 28. It would haul weight a little better plus get up quicker. Hope that helps some.

RiceKiller
03-04-2013, 11:02 PM
Thanks Mike looks like i will need to start painting some more crankbaits to sell so i can get a new prop :D

Hoss Marine Propellers
03-04-2013, 11:14 PM
With The One We Had Years Ago, We Ran A 2.4 EFI oval-port down-draft motor. The limiter was 7250, and a GOOD 28 chopper was rite on the limiter. Your pro-max probably makes very close to the same horse power, so the 6850 limiter will come into play I would think. Talk to Tim, he mite suggest a 28 with a little extra bite depending on how you load the boat. I said try a 30 because that would keep you off the limiter for sure. If you fished tournoments all the time, I'd suggest running a 28. It would haul weight a little better plus get up quicker. Hope that helps some.

Yeah .... What Mike said!!! :iagree:

Varmint
03-07-2013, 07:00 PM
Thanks Mike looks like i will need to start painting some more crankbaits to sell so i can get a new prop :Dya Rob,or just box up that promax,and send it to me,and I'll send you an xr4, so you can use that trophy prop!!,,:eek:

RiceKiller
03-08-2013, 08:30 AM
Ah Chris your such a thoughtful dude lol

Varmint
03-08-2013, 08:32 AM
Anything for a good friend ! Lol

RiceKiller
03-08-2013, 08:36 AM
You got a pm block get her built Mr Bobby will fix u up

Varmint
03-08-2013, 08:47 AM
You got a pm block get her built Mr Bobby will fix u upHaha, funny you say that, got a 225 promax sitting beside me on the pass. Seat of my work truck, it's on it's way to Mr.Ruck with a bport, my buddy has 3 Pm blocks and a few bports going out and i gotta drop these off today, to get em on the same skid. Soon as i get it back we're gonna sleeve it, and i'm putting them at my bank, in a safety deposit box! Lol

RiceKiller
03-08-2013, 08:55 AM
You just about got every spare block there was down hear in the states lol

Varmint
03-08-2013, 08:59 AM
Mr Bobby does fine work, but my buddy is a full Merc machine shop,pro marine ,bobs machine shop,sierra ,tohatsu dealer,, all he does is i6 blind bores and v6 mercs, got alot of race experience,and builds all the go fast and bassboat mota's around here,and i actually rent my shop bay from him, for my business,so,shipping is like "just carry it next door" lol and he sponsors my ride,and keeps it runnin'.

Varmint
04-16-2013, 03:03 PM
Did you get a prop ?

RiceKiller
04-16-2013, 07:20 PM
nope still running the trophy 70.4 mph at 5800 rpms thats to much slip

silverbullet02
04-26-2013, 03:02 AM
nope still running the trophy 70.4 mph at 5800 rpms thats to much slip

Thats about 8% slip which aint too bad. My favorite all around prop is my 26 trophy worked by DAH. Ranking up there with it is a 28 chopper with the "knob cut" from Hydromotive. Is that all the faster your boat will go? If so you've got an issue. My old xtb still touches a little over 80 with a stock 150 promax. And that's with troller, batteries, gear, etc.

RiceKiller
04-26-2013, 07:46 AM
No that's all the harder I have turned the new motor

silverbullet02
04-26-2013, 07:51 AM
No that's all the harder I have turned the new motor

10-4. I as well as many others still believe that the XTB is the best hull he has ever built. Imagine if he had put the 2003 top cap on that hull and used that extra foot for back seat leg room. That would be the ultimate boat.

RiceKiller
04-26-2013, 07:55 AM
I'm with you I would like to see some one put big power on a XTB and run with the strokers

JTSTV
09-24-2013, 09:27 AM
How do u calculate prop slippage ?

silverbullet02
09-24-2013, 12:19 PM
Google prop slip calculator.

JTSTV
09-24-2013, 02:40 PM
Thanks for the info . What would be the desired slippage for my bullet 20xd with a 260 merc,28p lightening et copy ?

xb03fs
09-25-2013, 10:29 AM
I think there has to be a TON left in your setup. I am running into the 80's with the 1450 lb xb21 with a slighly 200XRI with SVS and raised limiter solo with troller, all three batteries, my fishing gear (light) and an additional 25 lb bag of lead for ballast.

with a healthy 225 promax, a lighter narrower boat, I am gussing you should be knocking on 90 or more.

1FASTLASER
09-26-2013, 06:02 AM
Rice killer what is ur prop shaft to pad measurement?

RiceKiller
09-28-2013, 10:50 AM
I'm running about half inch below the pad

john w
11-13-2013, 12:49 AM
I would think a 28 drag 4 would be a great prop. They carry weight very well.

1FASTLASER
11-15-2013, 07:26 AM
Found out for ya from a buddy of mine that a Turbo TXP OT 4 is an EXCELLANT all around fishing pulling kids around prop. Solo a Spinelli DR 4 is the ticket.

Varmint
10-27-2014, 12:00 PM
Rob,what you running for a prop now ? ,been on the bottom awhile,this thread.