I just sold a tall deck 366. It came out of a 87 GMC 7000 series truck. According to Mortec this engine was produced up to the early 90's. It came with a Spicer 4054D 5 speed tans. I still have the trans if anyone needs one.
Fred


1956 3100 Pickup/Red/350/3sp OD/PS/Disc Brakes
1957 Bel Air Sport Coupe/Red/355/TH350/PS/Disc Brakes
2017 Silverado LT Single Cab SB/Black/5.3/6 Speed Trans
1947 Willys CJ2A w/F-Head engine