Here’s 911hillclimber’s build thread for his engine, which also shows the race car.
He also has a long hood 911 (with a Webasto-style fabric sunroof) and rebuilds old Honda small twin ‘bikes … a good bloke!
https://www.ddk-online.com/phpBB2/viewtopic.php?f=28&t=69167
DDK-online is a superb forum, BTW.
John