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Juan Crespo
Juan Crespo, ASE Certified Technician
Category: Chevy
Satisfied Customers: 1526
Experience:  A.S.E. Master Technician, Advanced Level, Emissions - Asian, Domestic, & European
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I have an 83 2.8L s-10 blazer. What is the correct firing

Customer Question

I have an 83 2.8L s-10 blazer. What is the correct firing order and spark plug gap? Please?
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Submitted: 1 year ago.
Category: Chevy
Expert:  Juan Crespo replied 1 year ago.

Hi there.

Sorry you got confused by the automated "helper" - I hate that thing ;(

Anyways, spark plug gap should be set at 0.045"/1.14 mm and torqued to no more than 15 ft/lb. I've attached a graphic showing firing order as well as cylinder #1 position.

Best Regards.