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This might seem crazy, but.....

A

Anonymous-0

Well-known Member
I'm sure someone has done it somehow or at least thought about it. I have a Super C. Seems like every couple years I need to go through the carb. (I put about 100 hrs or so a year on it) Has anyone heard of a fuel injection system for some of the old gas tractors and how they did it? I putz on things around the garage quite a bit, and this just happened to pop into my head. I'm not looking at pumping $1000's into it, just thinking about the possibility of getting a car at salvage value (like mine that is about to be replaced)and modifying the system.

I know I'm crazy.....
 
The ethanol in the gas we get now raises old HE double L with everything. A lot of people are having trouble with it in older gas engines.
 
Many factors come into play with carb problems. I almost never have any with my tractors but I do a few things to make sure I do not. #1 I do not leave gas in the tank. #2 I always turn the gas off at the tank when I shut them down. #3 I try to run them with the gas shut off at the tank till they die. Doing those things seems to help me not have carb problems
 
It is crazy, but I would start with an old GM throttle body system. They act like a carb and the electronics can't be that smart.

Greg
 
used to be amoco white gas, i think now that B P has it in my area; use it in older tractors, lawn mowers, chain saws, weed eaters, especially where you are adding oil to gas. this seems to reduce carb. problems to a minimum.
 
Maybe you should try leaving gas in your carb then it won't be dried out later. I use ten percent alky in my 48 H all the time and never drain anything. Haven't touched the carb in years and it runs like a charm. I unhook a battery cable and shut gas off at the tank and thats it.
 
I forgot to mention I doubt if your problem is the gas. I think you have a dirty tank or lines. One thing 10 percent does do is loosen up foreign material in the fuel system and that is maybe your problem.
 
I don't have problems with my tractors, but my lawnmowers can have problems. Probably smaller carbs and smaller jets that get more touchy. I do run Sta-Bil in almost everything around here. I have heard good and bad about running them dry.
 
Consider downdraft fuel system instead of updraft, only issue is efficiency.
It will use much more fuel.
 
This is a quote from David G. who posts on this topic on the "All The rest" forum above.

"I have been working on adding electronic fuel injection and spark on my MH44. I have the instrumentation installed and running on carburetor and distributor right now. I want to work the bugs out before converting."
As far as I know he is becoming a resource, Many await his completion. Jim
 
I second what Dave and Old say. I do the samething that Old says to do. I have only had mine alittle over 2 years, but getting rid of the Carter and going to the Zenith was the best thing I did carb wise.
 
Its gonna be tough to get it to run right. I have played around with this type of thing before myself. The trouble is you cant change the tuning or fuel map that was set up for use in the car, at least not easily or cheaply. You end up with a really rich mixture and poor starting/flooding. Not to mention having to mount an electric fuel pump and sensors like O2 and MAP,TPS. Not impossible, but not easy either. The aftermarket injection systems made by Holley and MSD , etc are great for tuning and adapting, but they arent generally built for as small of an engine as a SC I believe.
 
And a lot of people blame their problems on ethanol! I don't believe in it over 10%, but I don't have any problems with it. I avoid using it in all 2-cycle engines though.
 
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