Ford F100 su Amazon - Scopri tutte le offerte AdRisparmia su Ford F100. Spedizione gratis (vedi condizioni) 302 vacuum diagram - Ford Truck Enthusiasts Forums 1973 - 1979 F-100 & Larger F-Series Trucks - 302 vacuum diagram - I have a 78 f150 2wd with a 302 and a 2 barrel carb and I need the vacuum diagram for it. can anyone I need a vacuum line diagram for my 1978 Ford F150. The I need a vacuum line diagram for my 1978 Ford F150. 84 ford f150, 302 runs good until fast acceleration then spark I have a 1978 Ford F100 with a 351M.