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Discussion Topic:
52 Merc. Holley
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stanzuser |
09-01-2020 @ 3:41 PM
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Member
Posts: 4
Joined: Sep 2020
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A float adjustment might help also. A float that is out of adjustment could let enough fuel at low RPMs, but starve the the engine at higher RPMs. You might check that before you rebuild the carb just to answer the question.
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sarahcecelia |
05-12-2020 @ 9:45 AM
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Senior
Posts: 1182
Joined: Mar 2013
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Sounds like maybe the acceleration tubes (2) may be clogged! With the motor stopped; Look into the carb and pull the throttle by hand. You should see (2) nice streams flowing STRAIGHT down the barrels. If they "wander" or don't produce a nice stream- their dirty!! Another cause can be a bad accelerator pump in the carb! It feeds those (2) tubes extra fuel on acceleration!!!!!( because at that point, the vacuum drops, so it needs fuel that that low vacuum can't provide!) Sometimes they can cause a "Flat spot" when you rev the motor; when the car is running and standing still in neutral, and you rev it, and that's why! If that's all good, it is very likely ignition; likely culprit- spark plug high tension wires.
Regards, Steve Lee
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TomO |
05-01-2020 @ 9:06 AM
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Senior
Posts: 7250
Joined: Oct 2009
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Mike, you did a good job trying to fix it without having the tools to do it. Please let us know what the fix was, I am very curious.
Tom
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mikemerc |
05-01-2020 @ 7:07 AM
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Member
Posts: 23
Joined: Jul 2019
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Hey guys ,between not having the right test equipment, not being a mechanic, and slowly losing my mind I’m going to find someone on Long Island who can work on my car . I want to say thanks to all who tried to help me. Your a good bunch of guys. Mike
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mikemerc |
04-22-2020 @ 6:03 PM
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Posts: 23
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I tried the mmo ,didn’t work. Mike
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mikemerc |
04-22-2020 @ 5:53 PM
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Tom Haven’t done that yet ,guess it couldn’t hurt. I’ll try tomorrow Mike
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TomO |
04-22-2020 @ 7:48 AM
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Senior
Posts: 7250
Joined: Oct 2009
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That sound pretty normal. Unless your plugs are covered with a black soot, I don't think that your problem is the carburetor. Be aware that if you fix something that is not broken, you could introduce more problems. Did you do the cylinder balance test of shorting out the plugs one at a time and watch for a rpm drop?
Tom
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mikemerc |
04-21-2020 @ 3:26 PM
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Tom The fuel is4months old and it was stabilized when I topped it off. When I give more throttle above an idle the gas comes down out of the nozzle tubes,which are connected to the center of the choke plates. When it comes out it is in irregular size droplets. I ordered a rebuild kit ,I’m hoping it will do the trick. If not I guess I’ll pull the distributor and send it to someone to rebuild it again. Mike
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TomO |
04-20-2020 @ 4:28 PM
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Senior
Posts: 7250
Joined: Oct 2009
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Mike, I looked at the flow of fuel from the main supply on my Lincoln. At idle there is no flow to the main body from the main jets. When I raise the rpm, there is a flow that is not a stream but more like when you hold your finger over the end of a hose. Fuel comes out of the accelerator pump jets when changing speed. How old is the fuel in your tank? Does it have ethanol in it? Did you add a stabilizer to the fuel when it was fresh?
Tom
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mikemerc |
04-19-2020 @ 5:09 PM
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Member
Posts: 23
Joined: Jul 2019
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37ragtopman I have checked changed , and put back condenser it ran the same. Thanks mike
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