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914-6Werkshop
 
Join Date: Dec 2009
Location: Wilmington, DE
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Identify a crankshaft

What crank is this? Owner asked me to sell it but I donít know what size it is. He was going to build a 2.4 but I donít want to assume. Thanks!


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Old 11-09-2018, 06:57 AM
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Need pics of the flywheel end and pulley end. Looks like it has a burned rod journal. May be toast.
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Old 11-09-2018, 07:49 AM
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Just from what you can see it looks like a cast 2.2 911 T
Old 11-09-2018, 09:26 AM
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Originally Posted by racing97 View Post
Just from what you can see it looks like a cast 2.2 911 T
Yes, un-counterweighted T crank. FWIW, a lot of guys are running those in SS2.4s and SS2,5s with good success.
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Old 11-09-2018, 10:04 AM
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Is #3 rod journal toast? It looks awfully dark...

Yes, looks like non-CW 66mm crank.
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Old 11-09-2018, 10:13 AM
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914-6Werkshop
 
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If the rod journal is bad, is there any value to the crank. Selling for a friend who wants it gone.
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Old 11-09-2018, 11:30 AM
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Anyone looking for a crank is going to want measurements to know if it is in spec or not. Not as much value in damaged crank.

The tech junkie in me says to offset grind all the rod journals for smaller bearings, cross drill the crank, install custom rods with smaller big ends and then balance well enough to spin the crap out of it. These cranks have very low rotating mass in comparison to the CW version.
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Old 11-09-2018, 11:44 AM
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