Conversions & Swaps LSX Engines in Non-LSX Vehicles
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Fuel pump cleaning

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Old Feb 3, 2020 | 11:30 PM
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Default Fuel pump cleaning

My car has been laid up for the past 3 months while I put a 'Vette rear end under it. Soon it will be time to fire it up again but I'm worries about the in-tank pump may be gummed up and fry when it gets initial power. Is there any way to clean a pump? Soak it in fresh gas for several days? Shoot brake cleaner into it? inputs anyone?
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Old Feb 4, 2020 | 12:47 AM
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I store my cars over the winter and have never had a problem starting them later. I wouldn't worry about it if it if I were you.
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Old Feb 4, 2020 | 06:55 AM
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Mine sat for a year while I was swapping in the LS3. I simply pumped most of the fuel in the tank out (about 6 gallons) - and put in 5 fresh before starting the first time. No problems at all with the fuel pump. And I split the 6 gallons of year old I removed into 3 apiece into our daily drivers added when they were about 1/2 full. Couldn't tell any difference at all.
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Old Feb 4, 2020 | 12:04 PM
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I noticed OP is in New Mexico, so winterizing is not a concern.
I agree with you guys. Run some fresh gas thru the system and all should be well.
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Old Feb 4, 2020 | 12:41 PM
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Originally Posted by 33willys
My car has been laid up for the past 3 months while I put a 'Vette rear end under it.
You'll need to get closer to 3 years before gasoline gives you this problem.
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