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Farmall Tractors Discussion Board |
Re: Re: Super A backfire after shut down
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Posted by RKS on May 21, 1999 at 21:13:19 from (152.205.116.245):
In Reply to: Re: Super A backfire after shut down posted by RKS on May 21, 1999 at 20:51:39:
The sources of ignition are of no concern with the engine running, since the exhaust has no un-burned fuel in it. When you shut down your hot super A engine, it continues to spin, and continues to carburate fuel and pass it into the stack where it explodes upon ignition. There could be a burr in the exhaust manifold inside the casting, or within the exhaust ports of the head, but somehow I suspect your muffler is causing the ignition. RKS
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