42 1985 chevy 305 vacuum diagram
There are 10 or more different vacuum diagram s that I have; all for an 85 305 pickup. It all depends on whether it has Federal, California, high altitude emissions and what series this truck is, as in C10, C20 ect. What I need from you is the series and hopefully the three-letter code that defines this; here are a few examples of the different ... I have a 1985 Chevy c10, it originally had a 305 but now a. Hi Tim, I have a 1985 Chevy c10, it originally had a 305 but now a 350 engine. I acquired the truck with almost all vacuum system gone, canister not being used etc. ... i am looking for a vacuum hose routing diagram for a 1989 chevy S10 blazer, ... supplied with the 350 HO engine has mechanical centrifugal and vacuum spark advance with the following curves: Mechanical Advance: Vacuum Advance: Advance Vacuum RPM Advance (in. Hg) 1100 0.0º 3.00" 0.0º 1600 12.0° 7.50" 20.0º 2400 16.0º 4600 22.0º 1985 chevy 305 vacuum diagram