How big can you go with a 07K?

Transplanting the new VW 5cylinder

How big can you go with a 07K?

Postby paracaidista2.7t » Fri Mar 08, 2013 7:29 pm

Displacement wise? I know there aren't any stroker cranks, but how big can you bore it, realistically, for a turbo motor? Also, has anyone tried this swap in a B5 or C5? I am intrigued by the VR6, but the 5cyl. just freaking sounds cool.
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Re: How big can you go with a 07K?

Postby alxdgr8 » Fri Mar 08, 2013 7:32 pm

I don't think there's any room to bore, maybe 0.5-1mm from when I was looking at it at Iroz. Maybe offset grind the crank but not sure about block clearances.
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Re: How big can you go with a 07K?

Postby glibobbo21 » Fri Mar 08, 2013 8:33 pm

def .5. 1mm is getting sketchy.
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Re: How big can you go with a 07K?

Postby Hank » Fri Mar 08, 2013 9:45 pm

These are still short deck 220mm blocks, so 2.5L is probably as big as it gets. As others have said, 83mm is as big as I would want to go.
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Re: How big can you go with a 07K?

Postby paracaidista2.7t » Fri Mar 08, 2013 10:18 pm

So, about 2540cc. I doubt that the extra 60cc or so would be worth the compromise, IMHO.
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Re: How big can you go with a 07K?

Postby All_Euro » Sat Mar 09, 2013 12:02 am

Eurospec says this about their 5 Cylinder Billet Crankshafts, "Fits all inline 5 Cyl Audi and VW Petrol engines."

http://www.eurospecsport.com/products/c ... shafts.htm

True in this case?
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Re: How big can you go with a 07K?

Postby Hank » Sat Mar 09, 2013 12:40 am

No, the old five cranks would not work.
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