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Tim Basham
Tim Basham, ASE Certified Master Technician
Category: Chevy
Satisfied Customers: 743
Experience:  30 years multi line tech ASE cert master tech ASE engine machinist, 9 years GM dealer exp.
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a photo of the firing order on a 1990 5.7 chevy

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Submitted: 11 years ago.
Category: Chevy
Expert:  Tim Basham replied 11 years ago.
Fig. 3: 1988-95 5.7L and 7.4L Engines

Firing Order: 1-8-4-3-6-5-7-2

Distributor Rotation: Clockwise