The wiring diagram from the distributor cap to the spark plugs for firing order for a 93 Chevy Caprice 5.7 liter engine is found at Wiring4cars. You can search the site by vehicle year, make, and model.
Chevy 5.7 L firing order is 1-8-4-3-6-5-7-2 clockwise.
all chevy V8 engine share the same firing order of 18436572 in a clockwise rotation of the distributor when looking at it from the top.
1,8,4,3,6,5,7,2 with 1,3,5,7 on the left side and 2,4,6,8 on the right side. The distributor turns clockwise.
| --------- For your 1989 CHEVROLET CAPRICE: FIRING ORDER FIRING ORDER 1-8-4-3-6-5-7-2 --------- distributor rotates clockwise. you can try autozone.com and click on specs.
1 8 4 3 6 5 7 2
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Here is a link to Auto zone. Hope this helps you.