 Dellorto DRLA 40's, Won't idle. |
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| mmichalik |
 Jul 4 2025, 11:20 AM
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#1
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MikeM  Group: Members Posts: 768 Joined: 27-January 16 From: Valley Center, CA Member No.: 19,600 Region Association: Southern California 
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My '74 has a set of Dellorto's on it. The car won't idle, I can rev it up and it will run but, once I take my foot off the gas, it dies.
I want to clean out the carbs, because I understand that crap will get stuck in the jets and needles and such. Does anyone have any down and dirty advice: Do this, then this, type stuff, to clean them out? I just watched https://www.youtube.com/watch?v=8pDgxauguRY and will do that but, just wondering if there's anything else. I have a rebuild kit but I'm not sure I want to do that this weekend but, I can if that's the best way to go. Thanks! Mike |
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| barefoot |
Jul 4 2025, 02:08 PM
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Senior Member Group: Members Posts: 1,410 Joined: 19-March 13 From: Charleston SC Member No.: 15,673 Region Association: South East States
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If cleaning out the idle jets doesn't take care of the problem get yourself a gallon of carb cleaner and soak the carb bodies for a while. Don't need to take apart the acceleration circuit parts, then rinse out then with hot water, then blow dry, should clean them good. worked for me, see my post on the same issue
Barefoot |
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| mmichalik |
Jul 4 2025, 02:48 PM
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#3
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MikeM Group: Members Posts: 768 Joined: 27-January 16 From: Valley Center, CA Member No.: 19,600 Region Association: Southern California
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QUOTE(barefoot @ Jul 4 2025, 01:08 PM)  If cleaning out the idle jets doesn't take care of the problem get yourself a gallon of carb cleaner and soak the carb bodies for a while. Don't need to take apart the acceleration circuit parts, then rinse out then with hot water, then blow dry, should clean them good. worked for me, see my post on the same issue Barefoot I will do that, if needed. Thanks! Looks like one of the main jets had some water corrosion on it though..... Not sure where it's coming from, it rarely rains in San Diego and the rain tray is on and the air cleaners are always on the carbs. I'm hoping that it's not systemic. |
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Posts in this topic
mmichalik Dellorto DRLA 40's Jul 4 2025, 11:20 AM
Superhawk996 Clean the idle jets. Probably won’t need to bot... Jul 4 2025, 01:30 PM
mmichalik
Clean the idle jets. Probably won’t need to bo... Jul 4 2025, 01:45 PM porschetub
If cleaning out the idle jets doesn't take c... Jul 4 2025, 06:00 PM brant It’s most likely caused by pump gas and sitting ... Jul 4 2025, 06:12 PM cgnj @[url=http://www.914world.com/bbs2/index.php?showu... Jul 5 2025, 03:33 AM |
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