per Chilton's, the firing order of the 78 toro, 403cu in. is 1-8-4-3-6-5-7-2. The same as the 455cu Firing order should be cast into intake in front of carb if you have factory cast iron intake but above answer is right also it has a counter clockwise rotation unlike the corporate engine firing order
google firing order for a 455 olds and it will bring it up
13562
No, the blocks are different.
143625
It comes in handy to know the firing order of a car when checking for problems. The firing order for a 1998 Oldsmobile 3.1 is 1-2-3-4-5-6.
The 403 is an Oldsmobile engine, the firing order is the same however, 1-8-4-3-6-5-7-2
olds. 425 c.i.d. firing order is 1-8-4-3-6-5-7-2
It's an Olds 403.
yes i think so
The firing order for a 93 Oldsmobile - Cutlass Ciera S is................ 123. 456 going upwards...that what it is on mine. thanks Dee
1-3-4-2