Carburator explosion - Y block 239
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New User
Joined: Sep 2006
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Carburator explosion - Y block 239
I have had my 239 Y block fully rebuilt and when we decided to start it up for the first time, it first didn't start by itself but we had to pull it. That was my first problem. Then, once it started, we've heard like iregular explosions in the carburator. We don't know why this happened. Would someone have ideas of the possible reason of this problem?
Thanks
Roys
Thanks
Roys
Elder User
Joined: Dec 2006
Posts: 559
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From: Redondo Beach, CA
Roys,
First thing I would check is the firing order and static ignition timing.
Rule of thumb I always follow... If a engine doesn't start with the starter, you got a problem. Towing it isn't going to help!!
Y-Blockhead
First thing I would check is the firing order and static ignition timing.
Rule of thumb I always follow... If a engine doesn't start with the starter, you got a problem. Towing it isn't going to help!!
Y-Blockhead
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New User
Joined: Sep 2006
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Thanks Y-Blockhead, will follow your advise and let you know.
Roys
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Joined: Oct 2005
Posts: 19
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Regular explosions through the carb could indicate a stuck valve. Pull the rocker covers and check. Also follow the suggestions other posters made.
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Senior User
Joined: Oct 2003
Posts: 275
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From: OKC, Ok
Roys, you said it was just rebuilt, are you absolutly sure the timing chain and gears went in correctly? Just a thought. Tom
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