Hy Guys, I believe there have been some mis-statements made, GMCs that were V8 equipped used Pontiac V8s up to the 500 series, above that they used the Oldsmobile V8, the 370 [car 371] being the largest, this was between 1955 - 59. Chevrolet used their own V8 265, 283 up to the 8000 seris regardless of number of axles, begining in 1956 the Buick V8 [322] was used in the 9 - 10000 series regardles of the number of axles. In 1958 the 348 Chevrolet engine came out and could be found in the 9 -10000 series regardless of the number of axles, the 322 was found in the 10800 series. In 1959 the only change from above was that the 348 was now also available in the 8000 series, hope that clears this up, sorry to highjack the thread.

Last edited by 3B; 12/13/2009 2:14 AM.