Main Menu

porting for 2.4 T to E conversion


Vehicle Information: Model: 911T ; Year: 1973; Body Type: Targa; Engine (type, size, modifications): 2.4 with E cam; Total Mileage: unknown, but recent complete rebuild of the 2.4;

The question has to do with porting. When we rebuilt the engine on my early '73T, the only change was to the E cams and recurve of the distributor. It had 40mm Webers on it, and we left them. I am now preparing to reinstall the MFI, which will get an "E" space cam for the pump. Questions: should I have enlarged the valve ports (intake and exhaust?) when we did the rebuild in order to get best effect of the "E" cams? Should I do that when we install the MFI? I think I saw that recommendation in one of your answers. I am using the stock exhaust set up. PS: the 3.0 project is moving slowly forward. Thank you for your response. Bob T

You must log in to view answers associated with technical questions. Join PCA to participate in our community.
No votes yet