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fordtrucks4ever
Jedi Trainee
Offline
I acquired my `67 over 20 years ago. It had not run in more than 15 years prior. I pushed it on a flatbed and drove home. For the next three hours I checked over everything and managed to get motor running on one carb. Surprised impressed and glad there was some life to work with. Over the next month I went in depth thru every issue there was. Even tho the car never was restored or even made look pretty, I did get it mechanically sound and very reliable.
From the first tank I used aviation fuel. I know bad things happen when you let gas get old. Over the next few years I got lazy and regular pump gas became the norm. Then I did the dirty. It sat for a few years. I got it running again without much issue. But again in more recent years I let it sit up again with pump gas. Not very smart. It trashed out the carbs and rest of fuel system. Tank was caked up, fuel sending unit was dissolving, diaphragm in carbs had disintegrated and fuel pump died.
It took the a couple of years just tinkering and making excuses but finally go it back up going again last Christmas. Every time I got it almost finished, something else needed to be addressed. I rebuilt the carbs, fuel pump, fuel sending unit, and the brake hydraulics. Even had to change the rusted out freeze plugs. Tumbled the gas tank with gravel on cement mixer.
This weekend I finally got it changed back over to avgas. Last year was the first time I managed to actually tune the carbs correctly. The car started right up most of the time when cold without any choke. If it sat around too many weeks a little bit of choke was required, but would start right back up without delay.
I changed the fuel and drove around. First thing I noticed was idle now lower than had ever been. Acting like running rich or needle was sticking/leaking. But fuel pump did not keep running on and no drain on floor. I was pulling it back in the barn and had to leave, so didnt get to check anything out.
My question is, could the difference be caused from the fuel change? I had to hold the gas pedal down to get it to fire back up every time. Never had to do this before. If it is running way too rich now without garbage for fuel, might cause this, or I have something else to chase down.
I plan to lean down the carbs and see if there is a change or not. If corrects the problem, then good. Otherwise I will be scratching my head for some other possibilities.
From the first tank I used aviation fuel. I know bad things happen when you let gas get old. Over the next few years I got lazy and regular pump gas became the norm. Then I did the dirty. It sat for a few years. I got it running again without much issue. But again in more recent years I let it sit up again with pump gas. Not very smart. It trashed out the carbs and rest of fuel system. Tank was caked up, fuel sending unit was dissolving, diaphragm in carbs had disintegrated and fuel pump died.
It took the a couple of years just tinkering and making excuses but finally go it back up going again last Christmas. Every time I got it almost finished, something else needed to be addressed. I rebuilt the carbs, fuel pump, fuel sending unit, and the brake hydraulics. Even had to change the rusted out freeze plugs. Tumbled the gas tank with gravel on cement mixer.
This weekend I finally got it changed back over to avgas. Last year was the first time I managed to actually tune the carbs correctly. The car started right up most of the time when cold without any choke. If it sat around too many weeks a little bit of choke was required, but would start right back up without delay.
I changed the fuel and drove around. First thing I noticed was idle now lower than had ever been. Acting like running rich or needle was sticking/leaking. But fuel pump did not keep running on and no drain on floor. I was pulling it back in the barn and had to leave, so didnt get to check anything out.
My question is, could the difference be caused from the fuel change? I had to hold the gas pedal down to get it to fire back up every time. Never had to do this before. If it is running way too rich now without garbage for fuel, might cause this, or I have something else to chase down.
I plan to lean down the carbs and see if there is a change or not. If corrects the problem, then good. Otherwise I will be scratching my head for some other possibilities.
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