What was the purpose of the Porsche 911 CIS?
On the early 911s, the CIS didn’t even operate properly, until the car was warmed up. A hand throttle was a standard part of the car in order to facilitate easier starting and warm-up. On the later model CIS cars, the addition of the auxiliary air valve eliminated the need for the hand throttle.
Why do you need a hand throttle on a Porsche 911?
A hand throttle was a standard part of the car in order to facilitate easier starting and warm-up. On the later model CIS cars, the addition of the auxiliary air valve eliminated the need for the hand throttle. One of the most common problems for the older CIS cars is the existence of vacuum leaks.
Are there any projects for a Porsche 911?
This article is one in a series that have been released in conjunction with Wayne’s book, 101 Projects for Your Porsche 911. The book contains 240 pages of full color projects detailing everything from performance mods to changing your brake pads.
Why is my Porsche 911 not starting properly?
Contrary to popular belief, the WUR regulates fuel pressure in the system at all times. Cars that experience difficulty adjusting the mixture on may be suffering from a defective WUR. This failure may also contribute to starting problems.
When did Porsche stop making the 911 SC?
As of model year 1984, the SC version was again replaced by the 911 Carrera. Until model year 1978, the window surrounds and door handles of the 911 SC were chrome-plated, like those of the previous 911 models; as of model year 1979, they were anodized black – as in the Carrera models.
What was the name of the 1979 Porsche 911?
Porsche’s newest variant of the now well-respected 911 for 1979 was the 911 SC. Fitted with 1979 Porsche 911SC TargaHere is a 1979 Porsche 911SC Targa featured with matching numbers is availa
How many miles does a Porsche 911 SC get?
Well maintained 911SCs are capable of 300,000 miles between rebuilds. Power was up from the 2.7 liter 911 as well, although not by an enormous amount and the SC was good for a 0-60 run of about 6.3 seconds. Leather, air conditioning, power mirrors and forged alloy wheels became all but standard.
On the early 911s, the CIS didn’t even operate properly, until the car was warmed up. A hand throttle was a standard part of the car in order to facilitate easier starting and warm-up. On the later model CIS cars, the addition of the auxiliary air valve eliminated the need for the hand throttle.
Where is the high voltage potential on a Porsche 911?
At the top of the page (high voltage potential) it is similar to the top of the cliff, right before the waterfalls off the edge. Each path that the current diagram shows can be interpreted as a separate waterfall that turns a small turbine and generator as it falls down into the lake.
What should the idle speed be on a Porsche 911?
The idle speed is adjusted by allowing more air to bypass the closed throttle. Using a large flathead screwdriver, simply rotate the screw clockwise to reduce the idle, and counter clockwise to increase it. The idle should be set to be about 950 rpm. So what can go wrong on with the CIS? Plenty.
What kind of car is a 1981 Porsche 911SC?
1981 Porsche 911SC Sunroof Delete CoupeHere is a 1981 Porsche 911SC Sunroof Delete Coupe that is av 1980 Porsche 911SCFlachbau Turbo Look ConversionHere is a 1980 Porsche 911SC Flachbau Turbo Look Co
What was the clutch adjustment on a Porsche 911?
The early 911s had a relatively simple clutch adjustment mechanism. Despite the fact that there were four different clutch adjustment mechanisms during this period, the procedure is very similar for all of them.
When did Porsche stop making the 911 Carrera?
In model year 1978, the 911 model range was reduced to two models. The 911 SC (Super Carrera) took the place of the 911 and Carrera models.
What kind of wheels does a Porsche 911 SC have?
The 911 SC was fitted with 15″ cast aluminium wheels from ATS as standard. The exterior mirrors of the 911 SC were electrically adjustable and painted in the exterior color.
What kind of power supply do I need to test Porsche 911?
Here are the tools I used for most of these bench tests. Mityvac Vacuum/Pressure Test Kit. This kit let me run vacuum and pressure tests and has a ton of attachments and lines to make a test setup quickly. I’ve used the plastic Mityvacs before and they don’t last very long. This one has been much more robust. Pyramid 12V Power Supply.
When to replace ignition switch in Porsche 911?
The car can refuse to start some of the time, the key may not turn too easily in the ignition, or strange electrical problems like the headlamps flickering on and off may appear. Either way, the correct solution is to replace all or part of the ignition switch.
What kind of engine does a Porsche 911 SC have?
The 911 SC was fitted with 15″ cast aluminium wheels from ATS as standard. The exterior mirrors of the 911 SC were electrically adjustable and painted in the exterior color. The 911 SC was powered by a 3.0-liter flat engine, the output of which was increased slightly over the years.
How does CIS work on a Porsche 911?
We will perform a basic fuel distributor/injector fuel flow check once the engine is in the car. We will also check the system and WUR cold/warm fuel pressures on the car as part of our CIS setup for initial engine startup. This will let me know if the fuel distributor and warm up regulator are setup correctly.
How to find out if your Porsche 911 has an electrical problem?
Start by disconnecting your battery ground, and connecting an ammeter to the battery negative and to the chassis. The ammeter will show the amount of current that your electrical system is draining from the battery. When you hook the meter up, it will most likely show that there is some small current flowing through the system.