This Page Last Updated on: Saturday, September 23, 2006 11:14 PM


1966 Engine Codes
Code Application Displacement Compression Horsepower Transmission Heads Camshaft Carb
WA   389 8.6:1 256 Manual 91 254 2 bbl
WB   389 8.6:1 256 Manual 91 254 2 bbl
WC   389 10.5:1 290 Manual 92 66 2 bbl
WE   389 10.5:1 333 Manual 92 67 4 bbl
WG   421 10.5:1 338 Manual 92 67 4 bbl
WH   421 10.75:1 356 Manual 93 67 Tri-Power
WJ   421 10.75:1 376 Manual 93 68 Tri-Power
WP   326 9.2:1 250 Manual 94 254 2 bbl
WR   326 10.5:1 285 Manual 95 254 4 bbl
WS 389 10.75:1 360 Manual 93 58 Tri-Power
WT 389 10.75:1 335 Manual 93 67 4 bbl
WV 389 10.75:1 360 Manual 93 68 Tri-Power
WW 389 10.75:1 335 Manual 93 67 4 bbl
WX   326 9.2:1 250 Manual 94 254 2 bbl
XA   389 7.6:1 NA Manual 91 66 2 bbl
XB   389 7.6:1 NA Auto 91 66 2 bbl
XC   389 7.6:1 NA Auto 91 66 4 bbl
XE 389 10.75:1 335 Auto 93 67 4 bbl
XF   326 9.2:1 250 Auto 94 254 2 bbl
XG   326 10.5:1 285 Auto 95 254 4 bbl
XS 389 10.75:1 360 Manual 93 744 Tri-Power
YA   389 8.6:1 256 Auto 91 254 2 bbl
YC   389 10.5:1 290 Auto 92 66 2 bbl
YD   389 10.5:1 290 Auto 92 66 2 bbl
YE   389 10.5:1 325 Auto 92 66 4 bbl
YF   389 10.5:1 325 Auto 92 66 4 bbl
YH   421 10.5:1 338 Auto 92 67 4 bbl
YJ   421 10.75:1 356 Auto 93 67 Tri-Power
YK   421 10.75:1 376 Auto 93 68 Tri-Power
YL   389 10.5:1 333 Auto 92 67 4 bbl
YM   421 10.75:1 376 Auto 93 68 Tri-Power
YN   36 9.2:1 250 Auto 94 254 2 bbl
YP   326 10.5:1 285 Auto 95 254 4 bbl
YR 389 10.75:1 360 Auto 93 68 Tri-Power
YS 389 10.75:1 335 Auto 93 67 4 bbl
YU   389 10.5:1 290 Auto 92 66 2 bbl
YV   389 10.5:1 290 Auto 92 66 2 bbl
YW   389 10.5:1 325 Auto 92 66 4 bbl
YX   389 10.5:1 325 Auto 92 66 4 bbl
YZ   421 10.5:1 350 Auto 92 66 4 bbl