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#1
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Thanks summer, have to learn her tendencies, but just to let everyone know Dad can take her out whenever he wants.
__________________
 1974 V-20 Steplift CC 165 Mercruiser I/O "The fishing was good; it was the catching that was bad." 
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#2
08-15-2010, 09:29 PM
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I had a twin tank like yours in my 1975.
The whole tank thing has been spoke about many times!! Not sure we ever got the right answer? Some say to just hook up both tanks and run it, but when you do that one always seems to run out before the other? Some say you need equal leanth of hose on both sides to have them drain at the same time, Nope, not on mine? Same with the vents, have to all be the same, suppose to have equal pressure?? Yep you guessed it, no worked for me? What I did at first was Add a three way switch, Now I have right switch for right tank, middle off, and left for left tank, Then drive were I was going then swap tanks. This way I always had gas, After I swapped my 165 I/O to a out board by way of a bracket, I used the space were the motor was to add a 25 gal tank. This worked great as most all my trips never used more then 20 gal, problem solved. After you figure out how many miles you can go on how much gas, you wil be set, My gas gauge never worked and I never ran out of gas, except like you, one tank empty and one full. 20 gal gas in a I/O is like 3 mpg but I always thought 2 mpg. 2 x 20 is 40 miles per tank, 80 with both tanks. The rule of thumb is 1/3 to your spot, 1/3 to get home, 1/3 for reserve. I now have 1 tank in the Sea Ox with 110 gal gas! No more worry's! Now when this happens we will talk about it, when the tanks get full, and you are splashing gas out the vents as you drive the boat down the road.
__________________
1986 V20  Old Fishermen never die, we just SMELL that way!!
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#3
08-16-2010, 07:09 AM
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Thanks for the tips. After talking with Dad he said the same thing. And MJ I am already trying to figure out the vent thing. How did Wellcraft ever think that was a good idea?
__________________
1974 V-20 Steplift CC 165 Mercruiser I/O "The fishing was good; it was the catching that was bad."
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#4
08-16-2010, 07:40 AM
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Nice!!!!
Be sure to thank your Dad! And then thank him again. I never thanked my Dad enough for all the great things he did for me... Welcome to the site! rkc
__________________
Sorry to say that I no longer have a 1984 V20 :(
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#5
08-16-2010, 08:00 AM
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Yes the vent, nothing like a trail og gas falling out of the boat all the way to the ramp!! At $4 a gal!!
Its a easy fix, I and a few here have done it. You have to change the location of the vent, the rule of thumb is to have the vent lower then the fill so it will leak out there before you over fill it. Well thats the same height as the tanks, so you have to go above. In the pic you will see the old vent and then the new one up higher next to the can. This leaks zero gas. You need a 90* elbow vent, one for each side of the boat. and a longer hose. I left the old vents there as I did not want to have to fill the holes and match the gel coat color and stuff like that. So just drill the new hole install the new vent and add new hose.  Also if it has not been done yet this would be a good time to replace all the gas lines as the old ones are not for this new gas and if the old hoses are still working they are surly getting rotted from the inside out.
__________________
1986 V20 Old Fishermen never die, we just SMELL that way!!
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#6
08-16-2010, 08:28 AM
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Sounds Like thats what I'm going to have to do, not to mention the great looks you get when you spray someone behind you with the aforementioned $4 per gallon gas. By the way where did you get the vents?
__________________
1974 V-20 Steplift CC 165 Mercruiser I/O "The fishing was good; it was the catching that was bad."
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#7
08-16-2010, 08:35 AM
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You can get the vents at about any marine dealership. Probably west marine too. Google and you will find many places to buy online. Go stainless. Also be sure to put a loop in the hose. Any water that gets into the vent won't be about to travel up the loop to get into your tanks.
__________________
 1994 Wellcraft V21
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#8
08-17-2010, 03:33 PM
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Congrats Ray !!!
You now have a Great boat, but also have a GREAT DAD !!!! My Dad just gave me a rash when I told him I got a boat. That boat is a pleasure to look at !!! She is just pretty !!! Now make your Dad even happier by keeping her in Top Shape, and of course, making him the Captain on every trip together. Now just pass that wisdom to your own kids if any, so the Great motion of being a good and caring Dad continues for more generations...
__________________
Make the habit of radio-checking your VHF, and use it. Father God is too busy to come down to help you himself, He sends His Angels. They have no wings, They are just your true friends.
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#9
08-18-2010, 10:18 AM
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Right on JJ, I'm going to do my best.
__________________
1974 V-20 Steplift CC 165 Mercruiser I/O "The fishing was good; it was the catching that was bad."
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#10
08-20-2010, 09:22 AM
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OK got the title from Dad today turns out shes a 1974. ready to do some fishing this weekend.
__________________
1974 V-20 Steplift CC 165 Mercruiser I/O "The fishing was good; it was the catching that was bad."
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