Engine VIN code 3,8,7,9. .3407" stem. 1.710" head.
3.0L / 181 OHV V6 12V "E,L" Buick 3.800" Bore 82-88
GM
3.2L / 196 OHV V6 12V "C" Buick 3.500" Bore 78-79
GM
3.8L / 231 OHV V6 12V "2,A" Buick 231 3.800" Bore 78-84
GM, CHEVROLET
3.8L / 231 OHV V6 12V Buick 231 3.800" Bore 75-88
GM
3.8L / 231 OHV V6 12V Buick 231 Turbo 3.800" Bore 78-89
GM
4.1L / 252 OHV V6 12V "4" Buick 3.965" Bore 80-84
GM
GM181C-BU | 3.0L / 181 OHV V6 12V "E,L" Buick 3.800" Bore 82-88
BUICK,
OLDSMOBILE,
PONTIAC
GM196C-BU | 3.2L / 196 OHV V6 12V "C" Buick 3.500" Bore 78-79
BUICK,
CHEVROLET
GM231CA-BU | 3.8L / 231 OHV V6 12V Buick 231 3.800" Bore 75-88
BUICK,
OLDSMOBILE,
PONTIAC,
CHEVROLET
GM231CBA-BU | 3.8L / 231 OHV V6 12V Buick 231 Turbo 3.800" Bore 78-89
PONTIAC,
BUICK
GM231TA-BU | 3.8L / 231 OHV V6 12V "2,A" Buick 231 3.800" Bore 78-84
CHEVROLET,
GMC
GM252C-BU | 4.1L / 252 OHV V6 12V "4" Buick 3.965" Bore 80-84
CADILLAC,
BUICK,
OLDSMOBILE,
PONTIAC
