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Chevrolet S10/T10 Blazer 2WD Workshop Service Manuals

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Valve Clearance Specifications|Page 1122 > < Valve Seat|Specifications

Cylinder Head Valve Clearance for S10/T10 Blazer 2WD L4-121 20L VIN Y

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Valve: Specifications
Guide Clearance

Guide Clearance 

Stem to Guide Clearance

Intake

Note:  1982-85, .0011-.0026 inch; 1986, .0010-.0027 inch.

 

   

  

  

 

Exhaust

.0014-.0030 in 

    

 

  

  

 

Valve Clearance Specifications|Page 1122 > < Valve Seat|Specifications