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Old 09-23-2021, 08:14 PM   #4
trevorsworth
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Default Re: Model A dies with throttle open

Quote:
Originally Posted by eagle View Post
Sounds like a manifold leak. Take an LP torch, unlit, and direct the gas around the manifold gasket area while idling the engine. You'll hear the RPM increase if you have a leak.
That would make sense. I reused the old gasket because I didn't like the two-piece gasket that came in a gasket set I had, and I was eager to get back on the road. I checked it with ether after installing and it was fine but that doesn't mean it hasn't since developed a leak.

Quote:
Originally Posted by old ugly View Post
this works good to find a vaccum leak.

when it backfired through the carb it must have cleaned some some crap from a jet inside the carb.
pull the carb off and make sure it is clean and assembled correctly.

backfire through the carb could be too lean.
flames out your exhaust could be retarded timing.

ou
I'm still getting my bearings with this car and have no prior mechanical experience to draw from. I kind of thought it was running way too rich - the plugs are sooty.

As for the flames, it breathes fire seemingly no matter what I do with the timing. I was concerned about it at first but have been told it's pretty normal.
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