How to set distributor timing on Porsche 911?
Put the rotor on the distributor shaft and turn the shaft so the rotor points to (just before) the notch on the distributor body. You will probably have to try it a few times until you get the gears to match up properly. Now install the distributor cap and you should be up and running.
What can I use to turn the fan on a Porsche 911?
Socket wrench on crankshaft pulley nut. If you can get a socket on the crankshaft pulley, you can turn it (clockwise) with a socket wrench. If it’s difficult to turn, you can loosen all of the spark plugs to lower compression. Spacer tool on fan pulley. There is a tool in the Porsche toolkit for turning the fan.
Where is the Z1 mark on a Porsche 911?
The Z1 mark on the crankshaft pully represents the TDC point for BOTH cylinders #1 and #4, so you need to make sure it points to cylinder #1. There are a few different ways to tell whether its pointing to cylinder #1 or #4.
How to set the dwell on a Porsche 911?
Be very careful not to place any tools or fingers near the fan when the engine is running, and watch the cord of the timing light as well. On the pre-1977 911s, you must set the dwell angle for the points as well as the timing position of the distributor.
How do you change the timing on a Porsche 911?
The timing setting is changed by rotating the distributor slightly. Take a 13mm wrench, and loosen up the nut that holds the distributor secure to the engine case. While the engine is running and the timing light is shining on the pulley, gently rotate the distributor until the timing mark on the pulley lines up with the notch in the fan housing.
Where are the breaker points on a Porsche 911?
On the earlier cars, the breaker points are controlled by a cam that is located on the main shaft of the distributor. As the distributor rotates, the cam pushes the points open. At this point the coil releases its stored energy and sends a charge to the spark plug determined by the position of the rotor inside the distributor cap.
How to set idle speed on Porsche 911?
For details on setting the idle speed for your 911, make sure that you look at Projects 29-31, which are specific to each different type of fuel injection system. To properly set the timing, you may have to remove the vacuum hoses from the distributor.