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Fri Oct 04, 2024 10:25 am

I have a Porsche engine running in my VW. It's a 1600SC from 1964 according to the type number/assembly number however the serial number on the 3rd piece doesn't match the usual format. I assume it has been replaced at some point.

Does anybody have any ideas what this number means? Many thanks

Fri Oct 04, 2024 3:44 pm

Those numbers usually have a P AND A star . Looks like an American number stamp. I am betting its ground down and restamped. A lot of work to go into a VW . Hoses look like SC, but really need a better picture of engine to tell.

Sat Oct 05, 2024 1:31 am

wheel607 wrote: Those numbers usually have a P AND A star . Looks like an American number stamp. I am betting its ground down and restamped. A lot of work to go into a VW . Hoses look like SC, but really need a better picture of engine to tell.

Some thoughts:
One nut looks 912
Have all 3 pieces of housing (case) the same "pairing number"?
Can it be a private rebuilt engine with a complete new case? (3 parts)
Is only the the shown thirt piece replaced?
Is there a "KD" marking or something like this on the case?

Sat Oct 05, 2024 8:59 am

wagen19 wrote: wheel607 wrote: Those numbers usually have a P AND A star . Looks like an American number stamp. I am betting its ground down and restamped. A lot of work to go into a VW . Hoses look like SC, but really need a better picture of engine to tell.

Some thoughts:
One nut looks 912
Have all 3 pieces of housing (case) the same "pairing number"?
Can it be a private rebuilt engine with a complete new case? (3 parts)
Is only the the shown thirt piece replaced?
Is there a "KD" marking or something like this on the case?

Thanks for the comments.

A more detailed check shows there's no pairing number on the 3rd piece - ground off perhaps - so I'm not sure I'm going to learn more. The pairing nnumbers on the case halves match.

I was originally told this engine was a 912 unit and it came with 912 tinware but the numbers show otherwise - I guess the 1600SC and 912 units are pretty similar.

Either way, it's running nicely after I had it rebuilt a few years ago.

Sun Oct 06, 2024 1:53 am

dinsdale wrote: wagen19 wrote: wheel607 wrote: Those numbers usually have a P AND A star . Looks like an American number stamp. I am betting its ground down and restamped. A lot of work to go into a VW . Hoses look like SC, but really need a better picture of engine to tell.

Some thoughts:
One nut looks 912
Have all 3 pieces of housing (case) the same "pairing number"?
Can it be a private rebuilt engine with a complete new case? (3 parts)
Is only the the shown thirt piece replaced?
Is there a "KD" marking or something like this on the case?

Thanks for the comments.

A more detailed check shows there's no pairing number on the 3rd piece - ground off perhaps - so I'm not sure I'm going to learn more. The pairing nnumbers on the case halves match.

I was originally told this engine was a 912 unit and it came with 912 tinware but the numbers show otherwise - I guess the 1600SC and 912 units are pretty similar.

Either way, it's running nicely after I had it rebuilt a few years ago.

More thoughts:
The engine number seems individual.
The engine type number on the right half 616/7 16 seems also individual.
There is the Super 90 = 616/7 and the SC = 616/16
Are there date stamps on the parts?
For the moment, for me it looks like a Super 90 case (the halves) with a 912 third piece and a 2-hole 912 pulley and a 12V gen with 105 mm diameter.
A 912 flywheel looks very different and has 132 teeth, so it does not fit to a VW or 356 trans.
Over all, imo for the moment, it´s a individual combination with individual numbers. Good luck.

Wed Mar 12, 2025 7:38 pm

It's a 64-65 SC engine. The numbers on the 3rd piece of the case don't jive. The case casting number and type are what matters. The Maestro the Late Harry Pellow tells us so. Keep the faith.