Carb Question? |
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Michael, You did miss something! You haven't been paying attention! Lee's been making some statements about other boats owners always seeing his transom because his boat is so fast. Then when the small minor detail of his choke not working came up, the comment was made "tongue in cheek" about that being the reason for the speedy boat!!! Pissing match? I don't see it that way. It was just some poking on the speed subject and explained as such. You know how the speed subject gets here!! I feel Lee understands that now as well. |
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rman56
Gold Member Joined: April-13-2009 Location: Kansas Status: Offline Points: 661 |
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I might try the Seafoam to clean it out. I was talking to DIM and he thought I need the change the filter in the fuel canister. Thats the one thing I didnt even think of. Thanks Ryan
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1983 Ski Nautique
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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if your refering to the fuel and water seperator then yes that needs done as well. |
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YooperSully
Senior Member Joined: August-07-2009 Location: Hancock,MI Status: Offline Points: 316 |
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Since owning my boat I have never considered it a speed boat. 12 year old kids around here fly past you at 65+ on their jet ski's. The mere 42ish is laughable compared to them. In my eyes 75+ if fast on the water. Aren't theses tow boats by the way?
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87' 2001
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Hey thanks guys! No pissing match, this all for ***************s and giggles. My little problem I think of the hard starting when hot is from not being tuned. I think one or maybe more our not firing properly. Wires may corrode through sitting over time. Which cause miss fire and and takes a full charged battery to the limit. But my boat runs real good out of the hole, and top end, just couple niches in the starting. I get it worked out.
It is a "open" ticket anytime on that coors light.. We talking speed for fun, can I cheat then? Can I borrow my friends Baja 332 with twin 502's, supercharged. He run up there about 80+.. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Stay away from all that additive stuff my friend. I have been told, Seafoam, Marvel Mystery, All the carb junk by STP, or the all the other brands to pour in your gas tank will mess a 4 barrel carb in no time. The only stuff I have been told to pour in there is 89 octance gas, and Stabile and that is it. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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rman56
Gold Member Joined: April-13-2009 Location: Kansas Status: Offline Points: 661 |
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Thanks for the heads up!
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1983 Ski Nautique
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8122pbrainard
Grand Poobah Joined: September-14-2006 Location: Three Lakes Wi. Status: Offline Points: 41045 |
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Lee, You have been told but no first hand experience!! I've been around for a little more time that you have and do have the first hand experience. While I generally agree that additives are not needed and should be avoided, that's not the case with the Marvel and the Seafoam. They happen to be the only two "snake oils" I strongly believe in. BTW, You being so young, you may not have even heard the term "snake oil"!!! |
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emccallum
Platinum Member Joined: August-08-2006 Location: Clarks Hill SC Status: Offline Points: 1084 |
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IMO, I would start with the basics...timing points, plugs wires etc. Cheap fuel will also cause hard starts. If you are running low octane you may need to turn down the timing a bit to compensate. Be methodical about the process to avoid shooting in the dark.most folks just start turning screws without checking the basics.
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rman56
Gold Member Joined: April-13-2009 Location: Kansas Status: Offline Points: 661 |
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The last half tank was 87 octane, is that too low for these boats?
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1983 Ski Nautique
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Yes sir, I ran for the first 3.5 yrs with 87 and got a carb prob from it. I been told run the middle grade works wonders, and keeps the carb running alot cleaner, doesnt gum up as much.. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Pete, So you like the snake oils.. Those make the internal parts of your boat run hotter, and eventually you will hear pings, and noise probs. I been told by some old guys and young guys to stay away. I have a bottle of Seafoam in the garage, thinking of using it to give itt a try if you think it will help. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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I think hard starts comme from those probs. I had my boat tuned in 07, and have learned now that it is a 2 year job. I think those points, condesor and wires, plus your timing get way off.. What screw is that is bronze and very little for a flathead screwdriver right underneath the carb? |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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Hollywood
Moderator Group Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13513 |
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Our 1200 hour 351 has run the exact same way for the last 800 hours we have owned it. Only 1 plug change and rotor change, and 1 carb rebuild for the sake of speed, didn't happen though. Oh, and I replaced the impeller after the first 400 hrs because someone gave me one (that was already 10 years old). A little SeaFoam over the 4 month winter layup is the only "additive" she gets.
Pete, I just used some Snake oil last weekend!
So what is prompting you to now want to use this snake oil? With the right concentration of SeaFoam and aviation fuel, you will break 50 mph!
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Luchog
Grand Poobah Joined: April-17-2007 Location: Argentina Status: Offline Points: 2135 |
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the secondaries throttle stop adjustment screw?
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rman56
Gold Member Joined: April-13-2009 Location: Kansas Status: Offline Points: 661 |
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I think for starters I will fill the rest up with 89 and see if it helps. Where do you buy Snakeoil?
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1983 Ski Nautique
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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What is it's primary function? |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Stick with 89, you will see a big difference. Main parts will not where out as quick. You will see a difference at the pump but that is about it.. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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So what is prompting you to now want to use this snake oil? With the right concentration of SeaFoam and aviation fuel, you will break 50 mph! Hollywood I like you and but that wuz wrong.. Seafoam i am going to give it try. You old timers know your stuff so I better listen.. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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Luchog
Grand Poobah Joined: April-17-2007 Location: Argentina Status: Offline Points: 2135 |
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it is to prevent the carb screens from sticking into the bores
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Hey thanks.. So where is the idle adjustment. Is it hard to do.. I would like to adjust mine about 200rpm |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Also says on this Seafoam can that you can pour it into the oil? Is that right.. Wow! I might have to add one more to my repertoire..
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1985 CC 2001-SOLD
Lee Michael Johnson |
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emccallum
Platinum Member Joined: August-08-2006 Location: Clarks Hill SC Status: Offline Points: 1084 |
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Listen, no offense, but if you are having trouble figuring out the idle screw, I would suggest doing some reading on Holley carbs and familiarize yourself before you start adjusting. Go to Youtube and type in Holley carb adjustment. You should come up with some videos from Holley that walk you through adjusting a carb properly. Here is a link for idle speed: holley |
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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If your about due for an oil change then add some and run it for the week-end and change the oil and filter otherwise don't add it to your oil. |
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Thanks Ernest.. Watched that video great stuff. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Chris I am not due yet. But I will pour that seafoam in the gas tank next time I get gas.. Curious if how it will do.. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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pour half the can through the carb with the engie running increase the rpm to about 2000-2500k as your pouring it in and keep up the rpms until all the smoke clears from the exhaust, then pour the rest of the can in the tank now you cleand the top-end of the engine and the rest in the tank will take care of the carb internally.
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Hollywood
Moderator Group Joined: February-04-2004 Location: Twin Lakes, WI Status: Offline Points: 13513 |
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Specify "can" because the Murray's by me only carries it by the gallon!
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79nautique
Grand Poobah Joined: January-27-2004 Location: United States Status: Offline Points: 7872 |
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Seafoam is sold in 16 oz can at O-reilly's
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skicat2001
Platinum Member Joined: November-24-2008 Location: Ft. Worth TX Status: Offline Points: 1950 |
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Chris, Ok, so take the wing nut off the top of carb, pour inside and the rest go in the tank. After watching the video on adjustin the idle, does it need to be in gear, or do I need to pull out the neutral pin while adjusting the idle. |
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1985 CC 2001-SOLD
Lee Michael Johnson |
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