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Hard to say, but the size should be stamped on the hub.
As far as a replacement, are you looking for a direct replacement or an upgrade. Need to know things like gear ratio, altitude, and how you want to use it.
Best thing is to call ACME Props and get their advice, they will set you right with a prop rec.
Mikes Liquid Audio: Knowledge Experience Customer Service you can trust-KICKER WetSounds ACME props FlyHigh Custom Ballast Clarion LiquidLumens LEDs Roswell Wave Deflector And More
Hard to say, but the size should be stamped on the hub.
As far as a replacement, are you looking for a direct replacement or an upgrade. Need to know things like gear ratio, altitude, and how you want to use it.
Best thing is to call ACME Props and get their advice, they will set you right with a prop rec.
I hear you on Acme. The prop on my boat is a 14 x 18.5. The boat has a fairly good hole shot and top speed over 50 mph. I'm looking to gain better hole and loss maybe 5mph or so on the top speed.
I'm eyeing an Acme 13.5 x 17.5 but am unsure what the diameter change will do.
Hoping to find other 23V or 24V owners and the props they are running. Hole shot vs top end?
Check with Surfdad and Kona, they both have 23V's I believe. But I think Kona runs a high altitude prop on his, so may not be an apples to apples.
Mikes Liquid Audio: Knowledge Experience Customer Service you can trust-KICKER WetSounds ACME props FlyHigh Custom Ballast Clarion LiquidLumens LEDs Roswell Wave Deflector And More
I have an 02 23v and it has the black v-drive which is a 1:1 ratio. The stock prop on it was a 13x13, I now have a 13x12.5 and love it. Sounds like you have a 1:1.5 ratio which puts you in a different prop. The 14x18 sounds like way to much prop for that boat, I would think you would want something around 13.5x16.5 or 13.5x15.5.
When your running at 50mph at wide open throttle what rpm's are you running?
Our 2000 21V came with an OJ 14x18 and we have the blue 1:1.5 V-drive.
We put on an Acme #537 13.5x16 and it made a huge difference.
Hole shot was much better and lost just a little at top end.
In 2003 Acme designed the #537 and I think it came on some 2004s.
I'll bet Acme would recommend the #537: http://www.acmemarine.com/contact_us.php
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How much more hole shot do you want than the current Acme 381? We have the Acme 537-13.5 LH 16 four blade nibral 1 1/8" bore .105 cup. This will give you a good hole shot in comparison to the 381. However if you want a lot more hole shot I would suggest the Acme 1631-13.5 LH 14.25 four blade nibral 1 1/8" bore .150 cup. If want a monster hole shot the Acme 1579-13.5 LH 14.25 four blade nibral 1 1/8" bore .105 cup. As you can see we have many options. With the 537 you will lose 1-2 mph top end speed. With the 1631 you will lose 3 4 mph top end speed. With the 1579 you will lose 5-6 mph top end speed
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We ended up going with the 1631 and it was a great choice. Even when the boat is LOADED down w/ people and ballast - the hole shot is pretty good. We don't really care about top end speed (until you are trying to outrun a storm) - so it worked out for us. WOT now puts the boat at about 36 or 37 I think which is plenty for the lake we are on.
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