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7/12/2025, 8:36:42 PM
>>28511631
any GMT800, or 2500 GMT900 Silverado/Sierra. Easy way to tell if an LS based V8 has active fuel management/displacement on demand is to look under the intake manifold and see if the valley plate is flat or lumpy. You don't have to take anything off to see. Flat is what you want to see for non-AFM.
any GMT800, or 2500 GMT900 Silverado/Sierra. Easy way to tell if an LS based V8 has active fuel management/displacement on demand is to look under the intake manifold and see if the valley plate is flat or lumpy. You don't have to take anything off to see. Flat is what you want to see for non-AFM.
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