Pressurized Fuel Tank Conversion

[BURNandLEARN]

I have an old 1956 Johnson 7.5 horsepower Sea Horse outboard (Model# AD-10) without a fuel tank and fuel line. I know that the old pressurized fuel tanks are expensive and hard to find. Does anyone know how to convert it to a more modern fuel system?

 

[roscoe]

Re: Pressurized Fuel Tank Conversion

Use the search feature above. Search for "fuel tank conversion."

 

[nigelbear]

Re: Pressurized Fuel Tank Conversion

My 57 had the conversion on it when I got it and it looks like you can use the fuel pump off the later models you would need the tank and a fitting for the engine that provides vacuum to run the pump. The pump is just a diaphram type pump.

 

[captdcb]

Re: Pressurized Fuel Tank Conversion

Roscoe, Ive tried the seach and got nowhere. I have the same problem. Where can I get a conversion kit to change my old 58 into a 1 hoser?

 

[captdcb]

Re: Pressurized Fuel Tank Conversion

BurnandLearn, have you found a kit yet? Ive got a 58 7.5 Im rebuilding without a tank . Let me know if you get lucky.

 

[Paul Moir]

Re: Pressurized Fuel Tank Conversion

Captain, try searching in the Johnny/Rude forum. There's lots of posts there.<br />Oh, Welcome to Iboats!

 

[roscoe]

Re: Pressurized Fuel Tank Conversion

Here are a few posts with some info.<br />Personally, I would buy a used pressure tank off of ebay.<br /><br /> http://www.iboats.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=28;t=000326 <br /><br /> http://www.iboats.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=28;t=010339 <br /><br /> http://www.iboats.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=28;t=010312 <br /><br /> http://www.iboats.com/cgi-bin/ubb/ultimatebb.cgi?ubb=get_topic;f=28;t=003707

 

[Chinewalker]

Re: Pressurized Fuel Tank Conversion

Hi B&L,<br /> Not sure who told you pressure tanks are hard to find and expensive, but they're obviously not looking very hard. When I've needed one I've been able to find them for under $40.00. There are usually a half dozen or more on eBay for about the cost buying a new OMC fuel pump to do the conversion. Also, if you root around your local marinas you're likely to turn up a few. Place an ad in your local Pennypincher type paper and see what turns up. Place an ad on the AOMCI.org site, too. Rebuild kits for the tanks are available through several sources (off the AOMCI.org links page). <br /> If you do add a fuel pump, there is no "kit" per se, as that motor never came with a fuel pump in any of its incarnations. You'll have to modify one of the port covers to accept the pump, plug off the pressure nub on the intake manifold, etc. Personally, I'd find a pressure tank for it.<br /> Good luck!<br />- Scott

 

[rickdb1boat]

Re: Pressurized Fuel Tank Conversion

Check out my replies on this post: Plenty on E-bay<br /><br /> web page

 

[Tracy Coleman]

Re: Pressurized Fuel Tank Conversion

A tank without a hose and the plug in connector will still cost you. The hose can be bought new and so can the double line connector that plugs the line to the engine but the current price for the connector is about $58.00 from Bombardier (Johnson and Evinrude dealers).<br />Backfire

 

[pungolee]

Re: Pressurized Fuel Tank Conversion

I had an old man convert my rd-17e to a pump,and I haven't looked back.I rebuild pressure tanks for the novelty of it but to use one everyday they can be quite troublesome.99 percent of the ones on ebay look like sleds that I have piled up out back,they will need a kit soon.Do you really want to be out on Marl Point and depend on these decrepit relics?The reason most omc from the fifties is in good shape is the tank developed problems from sitting around between seasons and the motor was blamed and set aside.My cousin converted a 1954 Big Twin with an old fuel pump in about two hours.It just makes these motors a joy to run to convert,unless you need the historical accuracy for the judges