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Lotus Europa Forums => Garage => Topic started by: Sherman Kaplan on Tuesday,April 09, 2019, 07:30:45 PM

Title: Twin Cam cylinder head question
Post by: Sherman Kaplan on Tuesday,April 09, 2019, 07:30:45 PM

Just curious, on the twin cam what is this threaded hole on the inlet side of the cylinder head for and why is it threaded?


thanks,
Sherman

Title: Re: Twin Cam cylinder head question
Post by: Lotuswins on Wednesday,April 10, 2019, 12:18:08 PM

On my junk Stromberg head, it isn't threaded, and leads down into the breather chamber.  Probably to help the breathing/pressure buildup in the upper part of the head....who knows?  I do know they had issues in the early design but that was with webers......Perhaps a DPO threaded it to mount a dial indicator for cam timing?? 

Jerry Rude
4005R