My truck is a stock 454 with all the smog equipment. My truck has an 11/84 production date so it has a single smog pump emissions system for 85. The OEM timing is 4* @ 700 RPM.
By anti-dieseling valve, to you mean # 1 & 4 (photo 2)? From what I've read, it is actuated by #3 (photo 1) which...