Bonneville — G-body (1982–1986)

the standard engine (Curbside Classic, 1984: 3.8L 2 barrel V6); Amsoil's 1983 and 1984 Bonneville lists give the 3.8L V6 (VIN engine code A) and Wikipedia gives the Buick 231 V6, but none prints the code, so it is matched by meaning; the Bonneville also had the 3.8L V6 in 1985 and 1986 (Amsoil), but the 1985 and 1986 Monte Carlo kits do not print LD5, so those years are not claimed; shared G-body code; cited from the Chevrolet Monte Carlo kit

optional V8; Amsoil's 1983 to 1986 Bonneville lists give the 5.0L V8 (VIN engine code H), Wikipedia gives the Chevrolet 305 V8 and Curbside Classic gives the 1984 optional 5.0L V8 at 150 hp; none prints the code or says 4 barrel, so both are matched through the kit's 5.0 Liter 4 BBL V8; Wikipedia's Grand Prix article prints LE9 for the 305 on the same G-body, so the Bonneville's 1983–1985 305 may have been the 2-barrel LE9 instead; shared G-body code; cited from the Chevrolet Monte Carlo kit

optional; Amsoil's 1983 and 1984 Bonneville lists give the 5.7L diesel V8 (VIN engine code N), Wikipedia gives the Oldsmobile 350 diesel and Curbside Classic names an optional diesel for 1984; none prints the code; shared G-body code; cited from the Chevrolet Monte Carlo kit

only Amsoil's 1986 Bonneville list gives a 4.3L V6 (VIN engine code Z); Wikipedia's Bonneville article does not name it, and no Pontiac source prints the code, so it is matched by meaning; Amsoil's 1985 list has no 4.3L V6, so 1985 is not claimed; shared G-body code; cited from the Chevrolet Monte Carlo kit