Possible to add '87 944 Turbo to an '87 924S?

sreece · 10-29-2004, 06:26 AM

Is it possible to take a Turbo setup from an '97 944 Turbo and retrofit the parts to a 924S? Would have pretty much all the Turbo parts to include K26, intake/exhaust manifold, crosss/down pipes, wastegate, exhaust, intercooler, air flow meter, DME, etc. Is this a realistic solution to add a turbo to the 924S. How much of a difference is there between the 87 944 and 924S engines? I know they are both the 2.5L but not sure about the subtle differneces that could cause a problem.

ae1969 · 10-29-2004, 06:44 AM

The block is the same, but the turbo runs forged rods, pistons, different compression, then you need the drivers engine mount (oil return/support) etc..etc.. ........

Unfortunately its not a bolt on project. It is quite involved.

You are much better of getting a complete turbo engine. If you search you will find many reasons why you shouldn't do this.

.... and welcome!

Zero10 · 10-29-2004, 06:46 AM

In 87, the 2.7L was available too, other than that, the 2.5L in the 944's is the same as the 2.5L in the 924S. Except perhaps the fuel rail configuration. I believe the 924S used the later DME, and therefore had the second temp sensor.

Now, about the turbo part.... that's something that seems to come up every 3 or 4 weeks, and it never gets a warm reception.

Long story short, buy a turbo.

small typo, I think you mean 87 944 turbo.

You also need to remember, there is a lot more to a turbo than the engine, suspension, fuel pump, and probably a dozen other things I've forgotten about.

You would also need a full set of heat shields.

Correct me if I'm wrong, but I believe the nose panel on the 924S is welded into place, just like the early 944's. Which means you'll have a tough time getting the intercooler in.

sreece · 10-29-2004, 07:42 AM

Thanks, guys. I think you have talked me out of the conversion. I probably could have all the parts needed, however, it sounds like I may run into many unforseen problems. Too many to worry about. I appreciate your support and I'm sure I will have many more questions.

DannoXYZ · 10-29-2004, 07:30 PM

Did you have an entire 951 at your disposal? Or just a pile of parts? I think a 951 drivetrain in a small 924 body would be one of the ultimate sleeper cars. Unfortunately, you'd have to transfer ALL of these parts over:

Hmm, they left out the two DME/KLR computers, injectors, fuel-pump, wiring-harness, intercooler-pipes, etc...

Porsche-O-Phile · Porsche-O-Phile's Garage

With enough time, money, a welder and a sawzall, anything can be made to fit anything else.

sreece · 11-01-2004, 05:53 AM

Just knew of a guy who was autioning a complete parts kit from a 951 to switch a non-turbo to a turbo. Basically was selling all the parts needed as a kit. It has been sold already and I did not purchase it. Not sure what other parts he has. I have a 924S which has the non-turbo 944 engine already in it, I was just wanting to get a bit more power but was not sure how the non-turbo engine would run with a turbo built for an engine with lower compression.
I have a buy a work here that has a 350Z track model that he has been racing at the local autocross. He wants me to join up and he is having a hard time beating a 951 who races. I wanted to be able to compete.