Need crank identification, please help.

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Mike Murray
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Joined: Sat Sep 27, 2014 3:09 pm

Need crank identification, please help.

#1 Post by Mike Murray »

Crankshaft identification.... please help... I have a non counterweighted crankshaft with these numbers stamped on it...c666127...then continuing in smaller stamp...013 03.

I cant find ann numbers cast in the part.


What is this? I s it for a B? Why the odd number?

Many thanks?
Mike
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Tim Berardelli
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Location: Washington DC Area

Re: Need crank identification, please help.

#2 Post by Tim Berardelli »

Mike,

Based on the indentations on the outside of the rod journals that are found in "cross drilled crankshafts " and no counterweights you have a late, mid year 1962, "B" or "C" crankshaft. Measure the middle main bearing Journals-if 50mm, it's a late "B", 55mm, it's a "C"

Mike Murray
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Posts: 87
Joined: Sat Sep 27, 2014 3:09 pm

Re: Need crank identification, please help.

#3 Post by Mike Murray »

Thanks so much....I do have a question or so. Why is the Porsche factory number not cast in the crank? Second, what is the number that has been stamped in mean? Who did the stamping?

I just want to be able to prove to the person that wants to buy it that it is a Porsche crank that will fit his B model. Any references would greatly appreciated.
Mike

Dick Weiss
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Re: Need crank identification, please help.

#4 Post by Dick Weiss »

Mike,

Turn over the crank to view a 616--- --- -- # forged, NOT Stamped on 1-of the flanges; Also there's a forged Alfin symbol nearby.
The discussed diameter of the main journals of 50mm for the A/B series or 2-of-3 55mm for the C series (or the rare all 55mm dias.
of the early non-counter weighted crank of the early S90)

Dick

Mike Murray
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Joined: Sat Sep 27, 2014 3:09 pm

Re: Need crank identification, please help.

#5 Post by Mike Murray »

Dick,
That's where I falter...I don't see a forged number.....driving me crazy...sorry to be so dense, bet where?
Thanks
Mike

Tim Berardelli
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Location: Washington DC Area

Re: Need crank identification, please help.

#6 Post by Tim Berardelli »

If you don't what it is how can you sell it?

Mike Murray
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Joined: Sat Sep 27, 2014 3:09 pm

Re: Need crank identification, please help.

#7 Post by Mike Murray »

As it turn out it is a C crank. Non counterweighted. Ready to install at .20" regrind, done by Ohio Crankshaft in Ohio. Look them up. These guys are on top notch.

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Wes Bender
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Re: Need crank identification, please help.

#8 Post by Wes Bender »

Do you really mean 0.20 inch regrind?
Some days it's just not worth chewing through the restraints.....

Dick Weiss
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Re: Need crank identification, please help.

#9 Post by Dick Weiss »

Mike,

Your -0,20 dimension is almost a 1/4"!; - 0.020" (-0,50mm) would be correct--if needed.
The STAMPED number on 1-of the flanks would be correct for an original crank altho I've never seen a missing FORGED part # and the Alfin symbol.
There are aftermarket cranks available but they have counterweights and possibly no #s; Never seen any C cranks being available and that's why
they're more expensive than the SC/912 counterweighted cranks. Of course, a SCAT makes excellant replacements; Dunno if C cranks are made.

Dick

Brad Ripley
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Re: Need crank identification, please help.

#10 Post by Brad Ripley »

Sure, 356C Factory crank right here https://www.stoddard.com/catalogsearch/ ... 16-102-013 in stock, ready to ship.

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