250 cu in (4.1 L) I6 292 cu in (4.8 L) I6283 cu in (4.6 L) V8 307 cu in (5.0 L) V8327 cu in (5.4 L) V8350 cu in (5.7 L) V8396 cu in (6.5 L) V8402 cu in (6.6 L) V8 GMC models continued to offer the 305 and 351 c.i. V6s through 1970. Transmission 3-sp...