sportomatic gauge different than regular?

[haul]

Dear all

concerning the gauges of the 68 swb sportmatic I do wonder what and where is the difference:

the oil temp / pressure gauge is having the

part number 905 641 501 10
pressure unit scale is form 0 -10
oil temp just the coloured scaling


the regular gauge is having the
part number 901 741 501 05


What had been the technical reason for the two different gauges?
Can I interchange these?
Can I use the Sporto Unit in a 68L?

or

does the 68L need the correct gauge,


br
stay safe & healthy

[aturboman]

The Sporto oil temp gauges have a warning light at the top of the scale and standard trans car gauges do not.

Because the sporto shared the oil with the engine I assuming this was a extra warning so you wouldn't cook the trans if the oil got too hot.

They're totally interchangeable except the warning light will not work.

[Jim Breazeale]

The Sporto oil temp gauges have a warning light at the top of the scale and standard trans car gauges do not.

Because the sporto shared the oil with the engine I assuming this was a extra warning so you wouldn't cook the trans if the oil got too hot.

They're totally interchangeable except the warning light will not work.

+1..............................

[Jesse-911E 1969]

I bought a 68 SWB 911 with the 905/01 Sportomatic gearbox, according to the Kardex.
Does anyone know if it is possible to connect a 905/01 to a normal 901/03 T engine? I think the correct engine is a 901/13, but I have only a running 901/03 engine. I am not sure if the Sportomatic engine cases had some alterations?

Some pictures of the Sporto:

[davep]

The engines are essentially identical, but the intake stacks had an extra vacuum port, and the Sporto oil pump was driven by a cam, so there are engine tin differences also. Plus the vacuum tank and plumbing & the Sporto oil tank and plumbing. That is a start anyway. Then there is the pedal cluster and the gearshift. Does the car also have the S brakes?

[Jesse-911E 1969]

Thanks Dave!

Still not sure if I should start with a normal gearbox and try to acquire all sporto parts over de coming years, or do sporto from the start.

And the sporto also had a different flywheel? And extra parts:








Does anyone have a schematic overview of the sporto setup in 1968 cars?

[davep]

Jesse, it would depend on what parts your car currently has. If it has been fully converted to a manual gearbox, then I would advise finishing it up as a manual. It may take some time to pick up all of the Sporto specific parts. Get a PDF of the parts manual that covers 1968, and start a checklist of what parts are needed, and check off what you currently have. I have a Sporto gearbox that I only need some gears from. I also have a copy of the parts manual, but it can be downloaded directly from Porsche.

[Jerry L]

Haul, You have a PM

Best Regards