1977 911 sitting for 18 months

[rickinlodi]

My cars been on a battery tender for the past 18 months. Battery is I think about three years old. Tried to start, but nothing. Had to jump start, and that took a while as well. I always check the tender and it’s been green the whole time. If the battery is bad, will the tender turn to red?

Also I was dumb and tried to start the car with the old fuel. It did not like that! Should I siphon the old gas out? It did not want to run, and made some very bad noises!

I feel bad for neglecting this car, and I’m hoping to stay on top of it. Problem is I don’t know where to start with repairs. Has a bad oil leak coming from I have no idea. Also, Porsche parts are getting so expensive I’m a bit discouraged!

Sorry for the rant.


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[red77911s]

Yes change the gas, lots of threads on starting a car that has been sitting, use the search function to find them. used parts can always be gotten for a good price on Pelican.

[Mad Max]

The gas is bad and needs to be replaced.

The battery issue maybe a bad ground/ignition.

Are you near eastern Tennessee? If yes, I would be willing to give a hand.

[Dmitry at Pelican Parts]

Originally Posted by rickinlodi

My cars been on a battery tender for the past 18 months. Battery is I think about three years old. Tried to start, but nothing. Had to jump start, and that took a while as well. I always check the tender and it’s been green the whole time. If the battery is bad, will the tender turn to red?

Also I was dumb and tried to start the car with the old fuel. It did not like that! Should I siphon the old gas out? It did not want to run, and made some very bad noises!

I feel bad for neglecting this car, and I’m hoping to stay on top of it. Problem is I don’t know where to start with repairs. Has a bad oil leak coming from I have no idea. Also, Porsche parts are getting so expensive I’m a bit discouraged!

Sorry for the rant.


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Hello and welcome to the forum! As the above member suggested, there are quite a bit of threads on this topic; I've attached a link below to one that you may find helpful. Please let us know if you have any other questions or if we can assist with any part needs. Take a look at our DIY tech articles below as well!

Starting a 911 that has been sitting

Porsche 911 (1965-1989) Technical Articles - Pelican Parts

[sugarwood]

Your first step is easy
Here are some photos from when I removed my gas tank.

Remove the fuel sender from the top of the tank. Five 9mm nuts.


I pumped out all the gas using a hand pump.
Worked great and only took about 1 min. per gallon.

[rickinlodi]

Thanks everyone.


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[zedsn]

I did the same thing removing the gas and used a coat hanger with a rag attached to it to remove all after pumping it out.