Quote:
Originally Posted by gumba
Not sure why the CIS discussion is continuing since the OP stated he was switching to EFI for a significant HP gain.
T 77 911S; Jerry Woods built and dynoed the motor and ultimately decided the advance. You would need to talk to Andial about the lack of a vacuum valve on their 12 plug distributor.
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personally I like to why something is not working right.
also, perhaps a simple change in timing can get him driving until he gets the parts for EFI. I would back the advance back to around 18 just to see what it does.
I would assume the twin plug dist does not need the retard pot since it is twin plugged. maybe someone that is twin plugged can add something.