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La Cosa
La Cosa asked in Cars & TransportationCar MakesVolkswagen · 1 decade ago

What would cause my 2019 air cooled engine to ping under any load?

I just installed a 2019 air cooled VW engine in my 1973 Thing last night. It had a full tank of 87 octane gas so I drained a couple gallons and added 2.5 gallons of 100 octane race gas and a bottle of 108 booster to try to get it to stop pinging. It helped a little off the line, but in 3rd and 4th, it pings BAD when I give it more than 1/4 throttle. I have tried to advance and retard the timing with no luck. I have retarded the timing so much that it has a very hard time turning over, but once it starts, it still pings with more than 1/4 throttle.

Thanks

Update:

It is running a 009 distributor with electronic ignition (is the same distributor I have been running for the last year) and a progressive 32/36 weber. Both are less than a year old and were working great on the old engine, last week.

2 Answers

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  • Rod Knocker
    Lv 7
    1 decade ago
    Favorite Answer

    Try running a larger carb like a weber 44. Sounds like it is not getting enough fuel

  • Air-Cooled (o\ ! /o)
    Lv 6
    1 decade ago

    try draining the tank completely and put a gallon or so of 93 octane in there. what dizzy and crank are you running? what carb(s) do you have? what about at full advance? the dizzy might not be advancing properly through the rpm range

    Source(s): 1970 Daily Driver Bug 1975 Restored Bug
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