Here are some frequently asked questions about the 924 and 944 lines of cars. Maybe this will help…
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- Aren’t all the 924, 924S and 944 models essentially the same?
The cars are based on the same layout, but there are vast differences between them. The early (76-82) 924 cars were built with Audi engines and transaxles, although the suspension and interior were basically the same, carried over to the 944. The 944 saw a major change in the middle of the 1985 model year, and those cars are referred to as “Series II” cars. The 924S was introduced to the U.S. market for 1987 and 1988 as an entry-level car with an MSRP of just under $20,000. The 944 went through several engine and transaxle changes with the 944 Turbo, 944S and 944S2.
People ask about swapping this engine into that car, etc. With the abundant numbers of cars available out there, just buy the car/engine/transmission that you want.
- I have heard about a kit that puts an LS1 V8 in a 944…is this a good idea?
Yes and no…the most popular kit is made by Renegade Hybrids. The kit is pretty complete, but you need to factor in the other upgrades that need to be done. You will need to do suspension upgrades and probably brake upgrades. The engines are available out there, but many like the option of a new engine. You will also need a Porsche 944 Turbo transaxle to go with it, to handle the extra power and torque. A stock LS1 makes something in the neighborhood of 300 HP, and only adds a few pounds to the car. You need to make a new exhaust system, reprogram the GM computer, etc. It is not a difficult swap, but also not for the faint of heart. There is no cutting or welding required unless you build your own exhaust system. The guys at Renegade are really helpful and have done a ton of these for many years.
I have a ’79 924, and the transaxle looks different than any other 924 I have seen. Why? Did someone frankenstein a different gearbox into my car?
For some reason, in 1979 Porsche decided to use their own gearbox instead of the Audi-sourced gearbox and labeled it the “G31” transaxle. It looks different because the “transmission” part of the box is in front of the “differential” part of the box. On the Audi boxes, it is reversed. These were not cost effective and had some other issues, and in 1980 they returned to the Audi-based “016” gearbox for the naturally aspirated cars. The G31 continued in the 931 turbocharged 924s until 1982.
The Porsche “G31” box is a decent transmission, but it uses a different rear suspension/torsion tube than the other cars, since the transmission is actually mounted to it rather than bolted to the bottom of the car. it also uses a two-bar shift mechanism, and parts for that shifter are pretty much unavailable. The torque tube (driveshaft) is different, too.
I have converted one of these cars to the Audi transaxle, but you need a donor that has all this stuff. At least it is possible.
- Can I put a 944 engine in my early 924?
Short answer – no. Followup question – why? If you want the 944 power, etc., then go find a good used one and buy it. The 944 drivetrain is different, as is the engine. They will not interchange.
- What is the difference between an “early” 944 and a “late” 944?
There are many significant differences between the early car and the “Series II” car that made its debut in the middle of 1985. That is why you may see a reference to a “85.5” or an “85 and a half” 944 – that means that it is a “Series II” car. While the basic car is the same, the dashboard, electrics, and some suspension pieces are different and not easily interchangeable with other models. The early 944 shares a lot of its parts with the 87-88 924S, but the lowly 924S also benefitted from some of the Series II improvements.
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