911/83 engine case repair

[Louie]

SO any 74-77 2.7 911 will use this case...is that correct?
I DO appreciate the clarification on this.

[YTNUKLR]

911/ 83 = 2.7 Mechanical Fuel Injection. Serial numbers 663xxxx= 1973 RS, 664xxxx=1974 RoW Euro Carrera, 665xxxx=1975 RoW Euro Carrera, etc.

911/83 is NOT for ANY CIS Car= 74-77 911/911S/USA "CARRERA"

My replacement case will work for any 1973-1977 2.7L car, there are no numbers in it. My case could be used in a 1975 911S, but I don't know why you would. I would use it for a 73RS that no longer has the original engine, or at least a '74-76 car with the MFI (911/83) engine originally

[72targa]

http://rennlight.com/engine-types.html

[Louie]

Thanks guys....mystery solved!

[Flieger]

Oh.

RSR used 911/83 based on RS homologation, no? No others.

No,they did not use that case type on ST's or RSR's.

raj

Whoops. That is right. The type numbers were different. I was just thinking about the basic case architechture (since he had asked about SC case I was just thinking about that side of things, not type numbers). But then, any MFI car with a 7R would have had the same case.

I do know that they made some cases in Aluminum for RSR, then made the 3.0 RSR case with a wider head stud spacing to help longevity (more metal between cylinders).

Silly me.

[frankmar]

Thanks for the input! It solves my question, so any 2.7 case will do the job and I should keep the old case so I won't devalue the car.

Regards

[gumby1953]

Save the case,

How bout fixin the case!! George at Ollies can do the impossible to most any Porsche engine block (case). This CRACK is a simple fix, might cost some scoot but..................

Kevin