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| | |-+  Okrasa 78.4 crank worth €??
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Author Topic: Okrasa 78.4 crank worth €??  (Read 4952 times)
Type1/DVK
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Posts: 315



« on: January 29, 2013, 22:47:15 pm »

I've scored this 78.4 Okrasa crank today and it's in a good condition on the journals, grinded to 0.25 on the mains



I've searched all topics here and on google, some prices vary from $200 to $600

These cranks arent laying around everywhere, so best to hang on to it or to sell it? and what could it be worth? I've got no intentions (yet  Grin Grin) of building a 2165 or somewhat else..

Thanks,

Martin! Grin
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DDD#8 - 14.74sec @ 1776cc - Member of:  DVK ~ Der Vollgas Kreuzers  - www.ultimatevw.nl - and racing engines
richie
Hero Member
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Posts: 5687



« Reply #1 on: January 30, 2013, 09:19:52 am »

Have it crack tested before you use it for sure,if it checks out clear then use it,they were a good quality crank

cheers richie
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Cars are supposed to be driven, not just talked about!!!   


Good parts might be expensive but good advice is priceless Wink
Type1/DVK
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Posts: 315



« Reply #2 on: January 30, 2013, 10:46:13 am »

Thanks Richie, i've scored it for a hundred  Grin
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DDD#8 - 14.74sec @ 1776cc - Member of:  DVK ~ Der Vollgas Kreuzers  - www.ultimatevw.nl - and racing engines
Udo
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Posts: 2077



« Reply #3 on: January 30, 2013, 19:23:25 pm »

Like Richie said , magnaflux it and if it is ok you have the best crank you can get .

Udo
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dangerous
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Posts: 270


« Reply #4 on: January 30, 2013, 20:54:13 pm »

Yes they were a good crank and were copied with their design
firstly with the bug pack and in recent years, nearly all the chinese cranks.

Seems supect that the mains-only are ground,
and it looks to me like the rod journals have been ground down to chevy?
The ones I have seen, all 78.4s came as VW journal, and the 84s were Porsche.
This is not to say that there were not others,
only that yours may have been f?*ked with.

Yes get it crack tested before getting too excited.
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Type1/DVK
Sr. Member
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Posts: 315



« Reply #5 on: January 30, 2013, 23:30:18 pm »

Thanks for the reply's! I've got some more images of it. Doesn't 'seem to be' a knock-off to me

Journals are std vw and mains are ground 0.25 (they could use another 0.25 though..) and/or good mains polish

When i have a purpose for it, i'll send it to Udo for inspection and so forth.









If you can tell if it is a knock-off or the real deal, that would be great, thanks!
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DDD#8 - 14.74sec @ 1776cc - Member of:  DVK ~ Der Vollgas Kreuzers  - www.ultimatevw.nl - and racing engines
Udo
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Posts: 2077



« Reply #6 on: January 31, 2013, 12:43:44 pm »

If it is ok you made a very good deal

Udo
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Airspeed
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Posts: 593



« Reply #7 on: February 01, 2013, 09:22:11 am »




If you can tell if it is a knock-off or the real deal, that would be great, thanks!
Besides the cast-in okrasa logo, the above star with (I suspect) Alfing writing below it is pretty conclusive its original.
I also suspect its cross-drilled like original, which new chinese cranks don;t have afaik.
These were truely forged cranks, made by a upper end quality german small-batch specialist crank maker.
It would make for an awesome turbo engine crank  Grin
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"...these cars were preferred by the racers because the strut front suspension results in far superior handling than the regular torsion bar front end..."  - Keith Seume.
10.58 @ 130 mph (2/9/2022 Santa Pod)
Type1/DVK
Sr. Member
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Posts: 315



« Reply #8 on: February 01, 2013, 18:15:05 pm »

Thanks Walter and others.. i will have a look what to do with it for the future. One thing is for sure, it's a nice piece!  Grin
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DDD#8 - 14.74sec @ 1776cc - Member of:  DVK ~ Der Vollgas Kreuzers  - www.ultimatevw.nl - and racing engines
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