Learning Webers - 02 Jun 2006.
Fellow Bay Area 912 owner Brian Mendel loaned me a pair of Webers. I
was interested because I'd like to know about alternative solutions to
The plan is to take these apart to figure out how they ...
Chassis Dynamometer - 08 Oct 2005.
Zeke Duge, the president of the 912 Registry
hosted a BBQ and and dynomometer day at his ranch, well attended by
Southern California 912 friends ...more
Here is Scott Douglas' ...
Digital Rev Limiter - 17 Jul 2005.
A rev-limiter is designed to prevent over-revving your engine. All late
model Porsches include a rev-limiter included in the engine management
system. Destroying an engine by shifting into too low a gear
that tries to force the ...
Fan Belt Adjustment - 30 Jan 2005.
An incorrectly adjusted fan belt may shorten the life of the belt or
the generator pulley leading to repairs on the side of the road. Are
you prepared to replace a pulley or fan belt when traveling away from
On the way home ...
Engine Rebuild - 25 Dec 2004.
The education process on my engine rebuild started when I realized I
did not know what I wanted or who I wanted to do the work. This was
going to take a while and since I my goal for the car is to drive it
as much as possible, the ...
Installing The Engine #902 - 14 Feb 2004.
The engine on John Thornton's race car is a high performance, short
life 1600cc 912 engine characterized by 12.5:1 compression, light
weight components, double valve springs and a special exhaust. Every
25 to 50 hours of use ...
Carburetor Rebuild - 24 Jul 2003.
The carburetors on my spare engine were running poorly, so I decided
to put a kit in the old ones and to use them instead.
Accelerator pump side
Float bowl side
Underside of the ...
Engine Swap - 21 Jul 2003.
Some time ago I bought a spare engine and stripped the sheet metal off
it with the intention of having it powder coated. However the old
engine was leaking oil bad enough I decided it was time to do an
engine swap which I did over ...
912 Ignition - 13 Feb 2003.
Here's what I've done to the ignition system:
- New Bosch 050 distributor
- Added Pertronix
- New Bosch coil
- New wires
- New Bosch W5AC Plugs
Aside from that, ...
New Engine - 15 Dec 2002.
We were offered a used engine for an acceptable price. It has 3000
miles after being rebuilt. The owner decided it did not have enough
power and has built up a 911 engine to replace it.
It was represented to me thus:
Removing the Engine - 19 Oct 2002.
We removed the engine of Craig Norton's 1969 912 today. The whole
process took a little over 2 hours. There were five us working on it
and it probably could have been done more quickly with two people.
The reason for dropping the ...
Engine Pictures - 09 Apr 2002.
I've been collecting a lot of engine pictures of 912s over the last
few years. Here we show a bunch of them all in one place. These
pictures are duplicated in other lists so the navigation buttons will
probably take you some place strange and perhaps interesting even if
you get lost.
Fuel Pump Repair - 11 Feb 2002.
To rebuild the fuel pump, start by ordering a Fuel Pump Kit. I got
mine from Gabe at Strasse (877 944-9911). This kit comes with a couple
of gaskets, the fuel pump screen, diaphragm assembly, coupling pin and
6 screws to mount the ...
Gas Tank Vent - 05 Feb 2002.
When I was adding some brake fluid after bleeding the brakes the other
day I noticed the tubing connected to the gas tank vent was no longer
connected. It looked like a piece of plastic 'Tygon' tubing has dried
out and shriveled up, ...
Heater Adjustment - 13 Jan 2002.
12/3/00. Updated 1/13/02.
I adjusted the heater today. Now that the weather has cooled off I am
starting to rely on the notorious Old Porsche Heater which did not work
well on my first 912 and I do not expect to work well on this ...
912 Carburetor - 09 Jan 2002.
My car has the original Solex carburetors. The common change is to
convert to Webers. These Solexes have been rebuilt in the past few
years, so making the conversion is not a pressing requirement.
I've had to fix gas leaks ...
Generator - 31 Dec 2001.
A week after replacing the voltage regulator, the generator light came
on again. This time I decided to get the generator rebuilt.
Here, from the factory manual, is more than you ever wanted to know
Crank Case Ventilation Grommet - 12 Aug 2001.
I've had an oil leak on the right side of the engine below the
carburetors. There are a couple of possible reasons that we will work
- The grommet that seals the crankcase ventilation tube to the head
might be bad.
- There are ...
Changing Oil - 06 Aug 2001.
Throttle Coupler - 18 Mar 2001.
Old 911, 912 cars have a poorly designed in-line coupler attached to
the end of the throttle rod. It is rubber and deteriorates over time.
Mine had sever cracks in it as you can see in one of the pictures
below. The difficulty in ...
Remove and Replace Transmission Oil Seal - 10 Mar 2001.
My transmission has been a bit incontinent, dribbling on the garage
floor at some slow rate. Careful inspection showed the transmission
fluid was coming from the left half-shaft flange. The oil seal need
to be replaced. This note ...