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over revving

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882001 View Drop Down
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    Posted: August-11-2004 at 1:57am
ok i got my boat back on the water today {very excited}. and the new motor has over 300hp. so when i hammer it it will over rev. it will run to 5k rpm at 3/4 throtle im running a 13x13.it didnt do this before. so i guess im gonna do a prop swap, any recomendations? whats bill running? i was thinking about a 4 blade but the article keith wrote makes me wonder. but i think it will still over rev.but other than that it ran like a top. cant wait to ride this weekend!!!!!!!!!!!!!!!
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1time17 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 1time17 Quote  Post ReplyReply Direct Link To This Post Posted: August-11-2004 at 2:03am
did you have the tach adjusted to the motor
gotta love those old school nautiques
custom2001
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79nautique View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 79nautique Quote  Post ReplyReply Direct Link To This Post Posted: August-11-2004 at 11:19am
Who dd your motor and is it made to run 5k? I can acutually run up to 5500 on mine I limit it to 5 though.
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77stang View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 77stang Quote  Post ReplyReply Direct Link To This Post Posted: August-11-2004 at 1:22pm
an inch of pitch will chew up about 200 rpm- that thing is going to fly when properly proped.
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882001 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote 882001 Quote  Post ReplyReply Direct Link To This Post Posted: August-11-2004 at 6:24pm
how do you adjust the tach to the motor? its still a 351 v8 wired exactly the same as it was before the swap. is there a chance that the tach is going out. is there an easy to test this?
a local race shop built it and i want to limit it with the prop to 5k.
do they make a 13x 14? is the first number diameter?
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SS 201 View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote SS 201 Quote  Post ReplyReply Direct Link To This Post Posted: August-11-2004 at 7:05pm
Call Eric Johnson at 800 359 9730 he will help you. The price is right and he stands behind his product. Why not buy from the factory.
Oh! and he knows speed very well, he raced for years and they have buiding props for over 75 years.
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Rick View Drop Down
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Post Options Post Options   Thanks (0) Thanks(0)   Quote Rick Quote  Post ReplyReply Direct Link To This Post Posted: August-11-2004 at 11:42pm
I'm thinking 13X10 That would allow you to pull up everyone on the lake at one time and keep you under 60MPH at 5K. I do agree with SS 201 Eric has rebuilt several of my props and they are excellent
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