1-8-4-3-6-5-7-2 clockwise on the distributor cap.
Firing order / cylinder numbers are Driver's side head front to rear is---1-3-5-7
The other head front to rear is. 2-4-6-8
You will have to make sure that the distributor rotor is pointing to the number 1 cylinder on the driver's side head when number 1 is at TDC / Top Dead Center on the compression stroke. Then set the distributor cap back on the dist. paying attention to where the rotor is pointing on the cap that will be where the #1 wire goes in the cap.
Then wire it clockwise on the cap---1-8-4-3-6-5-7-2
The 1977 Chevy Nova came with an inline 6 and a V8. They did not come with a V6. If a V6 has been installed you need to know which one as the chevy engines have very different firing orders.
V-8 or straight 6?
The firing order for a 1967 Chevy Nova with the 6 cylinder (194 or 250) is: 1-5-3-6-2-4
What engine? 250 ci straight 6
153624
18436572
A v8 is 1-8-4-3-6-5-7-2.
1 8 4 3 6 5 7 2
1-5-3-6-2-4 same firing order as any Chevrolet in line 6 (aka straight 6)
around 3500lbs
1-8-4-3-6-5-7-2 and the distriburetor rotation is clockwise.
1-8-4-3-6-5-7-2 and the rotation is counter clockwise.