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> OT: 911 Engine Eye Candy, Race Engine Rebuild
jfort
post Apr 24 2019, 09:13 AM
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This is 911-related but I thought I'd share some pictures.

I have been having the privilege of helping Jay Koehler rebuild some 911 engines. He did my 2.7 for the six last winter. We recently did a 2.7 and a 3.0, both fairly stock. Now he is redoing his 3.7 for his IMSA GTU vintage race car, which he drove 24 hours at Daytona years ago.

I recently saw on this board a discussion about a knife edge crank. Now I've seen one. Here is the custom made one going in the race car:

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He had the bearings coated to reduce friction.

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Crank added.

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The crank is made out of a piece of solid steel. Note how the edges where it rides on the bearings are "rounded" for strength. To fit, the bearings have to be similarly rounded.

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And this is the car it is going in.

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Posts in this topic
jfort   OT: 911 Engine Eye Candy   Apr 24 2019, 09:13 AM
mepstein   Sixes are beautiful engines.   Apr 24 2019, 09:22 AM
krazykonrad   :beer2: :popcorn:   Apr 25 2019, 08:45 AM
sixnotfour   :trophy: what stroke is it ? good times hanging ...   Apr 25 2019, 09:24 AM
Mark Henry   :trophy: what stroke is it ? What stroke? I...   Apr 26 2019, 04:53 AM


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