Around 3600-3800 lbs
Yes they made a 350 rocket for the Oldsmobile cutlass supreme with 442 package in 1976 my support is I have that model,year,and make .
The 455 will fit. The transmission might have a shorter tailshaft, though.
The firing order should be 1-8-4-3-6-5-7-2.
Firing order is: 1-5-3-6-2-4 Distributor rotation: clockwise
it is the complete opposite of Chevy
What engine? 250 ci straight 6
The order is 1-8-4-3-6-5-7-2
Oldsmobile used Chevy 305's. 76 350 rocket 77 305 Chevy