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Old 05-23-2020, 05:00 PM   #1
miff
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Default Canít keep it running no power

Canít keep it running no power Some history itís a 1931 Model A Model speedster standard engine high compression head mechanical spark advance duel updraft model B carburetors fuel tank is in the rear has a fuel pump 12 V system when you go to start it you have to

Over choke it to get it to run and to idle you have to screw the Gav out 2 1/2 to 3 times and run with a half choke will settle down (stop choking it )and you accelerate and no power when I put it together it ran fine The beginning of last summer it was running fine then Near the end of the summer it started acting up during the winter I reset the timing I went through all the things that I could think that might be wrong now took it out today and weíre back to square one Any ideas
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Old 05-23-2020, 06:20 PM   #2
Roxo
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Default Re: Canít keep it running no power

It could be sucking air somewhere. I would first check your intake manifold gaskets, Carb to manifold gaskets. I have this issue with two stroke engines a lot. You have to keep them choked to run.
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Old 05-23-2020, 06:26 PM   #3
miff
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Default Re: Canít keep it running no power

thanks will try that tomorrow
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Old 05-24-2020, 03:32 PM   #4
SteveB31
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Default Re: Canít keep it running no power

You have a fuel pump problem or fuel blockage, or carb plugged up.

On a side note, once a car is timed, it never needs re timed. Never have figured out why folks always want to retime their Model A anytime it quits. Last time I timed mine was 22,000 miles ago.

Drain your gas, check fuel pressure, clean carbs and you should be good to go.
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Old 05-24-2020, 03:43 PM   #5
shew01
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Default Re: Canít keep it running no power

Quote:
Originally Posted by SteveB31 View Post
Never have figured out why folks always want to retime their Model A anytime it quits. Last time I timed mine was 22,000 miles ago.
Iíve wondered that myself. Could it be because other ďoldĒ cars from the 60ís could ďjump timeĒ due to a cantankerous distributor bolt that could loosen on its own?


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Old 05-24-2020, 05:29 PM   #6
Big hammer
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Default Re: Canít keep it running no power

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50 years ago I was told if you can't put your car in high gear and walk beside the car you don't have it timed right. I've given up on that many years ago, I've quit missing around with timing, set it and forget it.
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Old 05-25-2020, 04:51 AM   #7
Wick
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Default Re: Canít keep it running no power

Intake gasket leak. Also try a gravity feed test tank. If the tank fixes it then your fuel system need attention. The 12v pump should be at the tank.
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