924/944/968 Articles In Excellence – Engine


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Title:

100,000 Miles and Running...

Issue:

#146, May 2006, page 145

Author:

Bob Kovacs

Length:

3½-pages (2-pages of text and diagrams, 1½-pages of photos)

Synopsis:

Kovacs installed a ProMAX 7100A engine chip in his stock 100K mile 968. He describes the installation process in detail and provides before and after dyno results (as measured on a Mustang MD1750). Bottom line, rear wheel power climbed from 190.8-hp to 202.3-hp (6% increase).


Title:

944 Engine Rebuild & Installation

Issue:

#110, May 2002, page 139

Author:

Jim Pasha

Length:

6-pages (3-pages of text, 3-pages of photos)

Synopsis:

Pasha completes this 2-part series by describing the rebuild of the 944 Turbo engine and then installing it in the car.


Title:

944 Engine Removal & Inspection

Issue:

#109, April 2002, page 133

Author:

Jim Pasha

Length:

5-pages (3-pages of text, 2-pages of photo)

Synopsis:

Pasha begins a 2-part series on rebuilding the engine of a 944 Turbo. This particular piece deals with the removal of the engine, and then engine disassembly for inspection.


Title:

Tech Forum: 944/968 Belts, Rollers and Seals

Issue:

#92, April 2000, page 145

Author:

Jim Pasha

Length:

6½-pages

Synopsis:

Pasha provides a detailed overview on how to replace the engine belts, rollers and front end seals on a 944 or 968. You will still need the factory manuals to complete the job, but this piece provides additional and highly useful information.


Title:

Tech Forum: 944 Turbo Performance Modifications

Issue:

#74, December 1997, page 145

Author:

Jim Pasha

Length:

2½-pages of text and diagrams

Synopsis:

Pasha summarizes the typical methods to extract more power from a 944 Turbo. Included are diagrams of the 944 Turbocharger Assembly and Fuel System.


Title:

Tech Forum: Boost for 924s and 944s

Issue:

#72, October 1997, page 131

Author:

Jim Pasha

Length:

4-pages of text and diagrams

Synopsis:

Pasha describes the turbo setups used in both the 931 (924 Turbo) and 951 (944 Turbo).


Title:

Tech Forum: Questions & Answers

Issue:

#68, April 1997, page 118

Author:

Jim Pasha

Length:

½-page of text.

Synopsis:

Pasha describes how to do an oil change on a 944.


Title:

Tech Forum: 944 Lubrication System

Issue:

#67, February 1997, page 126

Author:

Jim Pasha

Length:

1-page of text and tables

Synopsis:

Pasha provides advice on troubleshooting the engine oil pressure gauge in the 944. Then he lists Porsche service bulletin numbers for the 944 engine oil cooler. He goes on to give an overview of the Accusump oil lubrication upgrade for anyone racing a 944.


Title:

Tech Forum: Cooling System

Issue:

#67, February 1997, page 125

Author:

Jim Pasha

Length:

1½-pages of text and diagrams

Synopsis:

Pasha gives advice for maintaining the engine cooling systems of the 924/944/968.


Title:

Tech Forum – 924S/944/968 Belt Tensioning

Issue:

#66, December 1996, page 134

Author:

Jim Pasha

Length:

½-page of text

Synopsis:

In this short piece, Pasha provides advice on how to avoid the following 3 common mistakes when tensioning the engine belts on a 924S/944/968:
(1) Turning the lower balance shaft when installing the belts
(2) Setting incorrect timing of the balance shafts
(3) Incorrectly installing the shaft gears.


Title:

Tech Forum – Questions & Answers on Water-Cooled Porsches

Issue:

#63, August 1996, page 117

Author:

Jim Pasha

Length:

1½-pages of text

Synopsis:

Pasha gives advice on the following 944 Turbo topics:
- Shaving the engine head after blowing a head gasket
- Doing a valve job if the head is off the engine
- Possible causes of a blown head gasket


Title:

924 Valve Adjustment

Issue:

#53, May 1995, page 107

Author:

Jim Pasha

Length:

1-page

Synopsis:

The title says it all. Pasha describes how to perform an engine valve adjustment on a 924.


Title:

944 (and 928) Oil Systems

Issue:

#52, April 1995, page 109

Author:

Jim Pasha

Length:

4½-pages of text, tables and photos.

Synopsis:

Schematics, theory of operation, maintenance and upgrades of the 944 engine oil system are discussed. Included is a useful table listing the oil pressure specification for 924/944/968 and 928.


Title:

944 Series DME – The Brain That Controls The Brawn

Issue:

#51, February 1995, page 107

Author:

Jim Pasha

Length:

5½-pages of text, tables and diagrams

Synopsis:

Pasha gives a good overview of the DME (engine computer) used in the 944. Diagrams, theory of operation and maintenance are all discussed.

Note: Additional information specific to the 944S/944S2/951/968 was covered in a followup piece in issue #52, April 1995, page 113.


Title:

944 Timing Belts and Water Pumps

Issue:

#47, August 1994, page 107

Author:

Jim Pasha

Length:

5-pages of text, tables and diagrams

Synopsis:

Another top-notch article from Pasha regarding the key maintenance issue affecting the 944.


Title:

Motor Mounts and Exhaust Systems

Issue:

#46, June 1994, page 107

Author:

Jim Pasha

Length:

6-pages (5½-pages of text, tables and diagrams. Just ½-page of photos)

Synopsis:

Pasha gives an overview of motor mounts and exhaust systems in the 924, 944 and 928. Basic operation and areas of concern are described.


Title:

A Slippery Problem – What Oil is Right for Your Car?

Issue:

#45, May 1994, page 81

Author:

Andy Saunders

Length:

3½-pages (3-pages of text and tables, ½-page of photos)

Synopsis:

Saunders discusses mineral and synthetic engines oils. Viscosity, additives, etc. are all touched on.


Title:

Turbo Sizing – Picking the Best Turbo for Your Porsche

Issue:

#40, August 1993, page 108

Author:

Randy Hubbard

Length:

3-pages (almost all text with some graphs)

Synopsis:

General article on matching turbos for Porsche engines. As an example, Hubbard discusses the compressor maps of both a K26 and K27 turbo in a 944 application.


Title:

The Nuts And Bolts Of Engine Failures

Issue:

#38, April 1993, page 97

Author:

Randy Hubbard

Length:

3½-pages

Synopsis:

Hubbard reviews the interesting properties of fasteners used as con-rod bolts or head studs. He describes how these can fail – leading to wallet draining rod/bearing failures in 3.2L Carreras or blown head-gaskets in 944 Turbos.


Title:

Chips “The Article” of Hello, Mr. Chips

Issue:

#29, October 1991, page 96

Author:

Bruce Anderson

Length:

6-pages (almost all text and tables, ½-page of photos)

Synopsis:

Anderson provides a great overview of the Bosch's DME (Digital Motor Electronics) used in the 911 and 944. While a significant portion of the article is dedicated to Anderson's experiences tuning the DME for a 3.2-liter Carrera, there is plenty of information in the article that is relevant to the 944 as well.


Title:

Technical Notes

Issue:

#22, August 1990, page 36

Author:

Bruce Anderson

Length:

1-page (all text)

Synopsis:

Anderson provides advice on how to get more power from a 924 Turbo.


Title:

Technical Notes

Issue:

#15, June 1989, page 20

Author:

Bruce Anderson

Length:

1½ -pages (all text)

Synopsis:

Anderson gives advice on 944 Turbo chip upgrades, using the Escort series chips as an example.


Title:

924 Engine & Transmission Hints

Issue:

#8, April 1988, page 66

Author:

Jim Pasha

Length:

4-pages (3-pages of text, 1-page of photos)

Synopsis:

Pasha provides technical details and maintenance tips for the 924's engine, exhaust and transmission.


Title:

Technical Notes

Issue:

#7, February 1988, page 16

Author:

Bruce Anderson

Length:

1½ -pages (all text)

Synopsis:

Anderson discusses the factors affecting turbo longevity in the 924 and 944.