A stock 56 Olds would not have a Rochester Q jet carb, it would have a Rochester 4 jet carb. They are completly different. Unless you changed the manifold or use an adaptor the Q jet will not even fit on the stock manifold.
Fred

Last edited by rfs56trk; 05/28/2010 4:35 PM.
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