| Re: It was not a cracked intake- it was the carb. now what? [message #369261 is a reply to message #369251] |
Fri, 25 March 2022 13:43   |
Ken Burton
Messages: 10030
Registered: January 2004
Location: Hebron, Indiana
Karma:
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The lazy persons way to try before disassembling the carb. I got this from, Dick Paterson.
I had a GMC w/403 engine that sat for 19 years. I got it to start and barely run (very poorly).
I had disconnected the input hose to fuel pump and ran it on a temporary 5 gallon can of clean gasoline resting on the front bumper. With it running I switched the fuel input to straight carb cleaner and ran it at about 2000 rpm until the engine died. Then I let it soak for 24 hours.
The next day I reconnected the clean gas can to the fuel pump and cranked, and cranked, and cranked until some of the carb cleaner in the carb was replaced with fresh gas and the engine restarted. The engine now runs perfectly and I wish that my 455 in my own coach ran and started that well.
Try a 24 hour soaking with a carb full of pure carb cleaner before you tear into the carb.
Ken Burton - N9KB
76 Palm Beach
Hebron, Indiana
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