The 4.5's like 10*BTC with vacuum line disconnected and plugged (at least mine does
). Upon connecting the vacuum line to the distrubutor it yields about 5*ATC at idle. No ping, no run-on, easy hot starts. Might be the 5.0's like that too.
'73 280SEL 4.5 (9/72)- RIP
Only 8,173 units built from 5/71 thru 11/72
'02 CLK320 Cabriolet - wifey's mid-life crisis
2012 VW Jetta Sportwagon TDI...at least its a diesel
Non illegitemae carborundum.