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Engine number is 6400396

Beautiful car... Congratulations!

jlex.

I just converted to carbs on my 79 SC because that CIS was such a pain in the ass. Notice everyone has said to start in different places. It's all excellent advice, but you will bechasing problems for a while. I know i was. And i have a mechanic at my disposal 24-7, it was still being a pain in the ass. Good luck finding it, i hope you have success. When you do, post it so people can take your experience into consideration also.

It looks like someone removed the A/C from the car. Car could have been tracked.

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You say that like it's a bad thing to track it. My car has had more maintenance and attention in the last 5 years (tracking it) than it had in the first 22. Runs/handles better too. No flame but, please be considerate to the track cars.:D

Oh and to the original poster, your car does not have points. Didi you check if the oil tank cap is loose?

willum, its almost essential to put a set of fuel gauges on to properly diagnose your condition without guessing all over the place, could be anything from a bad wur to vacuum leaks, the easiest thing i would do first is disassemble and clean you wur, it probley needs it anyway, as there is a tiny screen that gets clogged pretty easy on these old cars.

Thanks for the pictures! I told you we LOVE pictures.

Once you get the car running correctly, it is going to be fun! But till then, be patient, and don't stress out. Also, there must be a fellow Pelican who drives an SC near you.

This is off topic... But, I am drewling over your garage space! My two car garage has 3 motorcycles, and 3 floor-to-ceiling shelving units, with no room to pull a car in. The blessing of ZERO lot living is a 10-minute lawn mowing job, the curse is no room for a proper shop/garage.

Cheers!

Will, also check the air box itself, your vehicle most likely still has the original one which might have many tiny hair line cracks that are hard to see because they can be underneath or on the back side of the box. The gasket also needs to be replace. You might have a manifold loose, go over those as well. don't forget to replace those gaskets with new ones if you do so. Good luck and welcome! SmileWavy

I agree my '80 had the exact same problem. I found old dried up sealant around the pop off valve that allowed unmetered air to get into intake. It really ran like crap at low RPM. I pulled the pop off and re-epoxied it -no more problems. Check the easy stuff first.

Where did I said that it was bad to track a car? This is a newbie and perhaps he didn't realize that the PO removed the A/C. Most people who remove the A/C to reduce the weight of the car so the car can go faster on the TRACK.

My AC was removed to save me several bad words every time I had to remove spark plugs, and it was useless anyway. Same with the air pump and injectors, they're in the attic with the AC now. Hotter than hell in the summer though.

10/79 production is a 1980 model, which I guess has been established. In Europe, factories close down in August and everyone goes on vacation, when they come back in Sept. they are building the next MY vehicles. That goes for most any car on earth, including the U.S. (Except the month-long vacation doesn't happen).

Bosch K-jetronic CIS is a fine system used on countless vehicles for many years, (not just Porsches), it's relatively simple and trouble-free but when it's 30 years old it's going to have worn seals and sensors all over the place unless they've been refreshed. I think that CIS gets a bad rap because people expect it to work perfectly in an old car with all original parts. The good news is that it's very DIY-friendly, IMO, once you take the time to learn how it works. All of this advice assumes an owner with a certain degree of mechanical aptitude and a desire to learn about and repair his own car. If the opposite is true, you need to find a very reputable Porsche specialty independent shop with at least one guy who really knows CIS, otherwise you'll spend a fortune on some fool chasing his tail just throwing (expensive) parts at your car until it runs right.

It sounds a lot like you cracked your air box, (the large black plastic piece behind the air filter that is visible when you remove cover and A/F. That would be the first thing to check, it's easy to look at if you can get the two rubber straps off and remove the filter. There may be absolutely nothing wrong with your CIS, a cracked air box will make the car run like you describe. Either you or an honest, competent mechanic needs to diagnose it properly. (Goes for all problems). Diagnosis is everything, people mean well here but sometimes just start throwing info and advice out there from a 1000 miles away. Diagnose properly first.

Because most clocks in 911s doesn't operate, the clocks in most 911s are only correct two times a day.

I apologize to you all for not responding sooner , however my wife and I share this computer and she took it to work with her for a few days. I am at the point where I am chasing my tail now. I really do need a reputable mechanic to diagnose this thing. I have looked at the air box and didn't see anything blatent but there may be some hairline cracks that I cant see. Does anyone know of a good, honest, reputable mechanic in northern california? Heres one for you guys. I decided to change out the spark plugs which were black and shiney with fuel, I got to the last one and now the spark plug socket is stuck in the hole and I cannot get it out. I'm starting to dislike this car.
Just a little background on this car. My plan is to do a full restoration on it. At this point it seems that I am just cleaning out the old stuff put in by previous owners i.e. stereo, alarm system, and going through everything to make it sound, and see what needs to be done. I have a freind that races GT3's. He looked it over when I first got it and his first suggestion was to lose the air conditioner. It has never been and never will be a track car. Not that I wouldn't love to run it on the track, I cant afford the tires to do it.
Thanks for all of your advice. And by the way what is a wur? I will keep you updated on the mystery of the K-injection. Will

Willum,
WUR is a Warm Up Regulator. I have an 82 ROW SC with no O2 sensor which when I bought it had a completely blown air box along with a few other issues. The car ran but had no power below 1500 rpm. Got a new air box with pop off and installed myself. Changed out all the vacuum lines and clamped them as they were previously push fit. Once I did this and started her up the there was actual fuel spitting form the exhausts she was running so rich. I put this down to the fact that previously there was so much un-metered air getting past the crack in the airbox PO had set the mixture very rich to even keep her running. Anyway managed to get her to operating temperature just idling (took a while) then I re-did my timing, set the idle and leaned out the mixture to where she would stumble. I then progressively richened the mix till she was running smooth, I have yet to put a O2 tester near it just using exhaust smell for time being. The car now runs perfectly, no idle bounce, lots of power across the rev range and no issues so far. The CIS is slated a lot but it is a fairly easy system to understand and work on. Get yourself acquainted with it and you will have no issues. See attached pic for where the mixture screw hides...http://forums.pelicanparts.com/uploa...1232091169.jpg
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Try Alan at the Stable in SF. I visited his shop last week while there on business. He only works on air cooled Porsches. Nice guy and very knowledgable.

Tom Amon? He's a mobile mechanic up north that everyone loves. Just search his name.