Jun 16, 2025
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iHav to Drive
American Muscle
what type of gas should i use for my 2004 gmc yukon?
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<blockquote data-quote="ThaFunkMaster" data-source="post: 1462178" data-attributes="member: 496916"><p>id say 89 is good enough...91 may be too high of an octane for your engine since its not a high performance engine and prob doesnt run at high temps or with a high compression ratio, but im not sure...try 91 if youd like, but if you hearing a slight knocking sound comin from your engine block then move down to 89 octane</p></blockquote><p></p>
[QUOTE="ThaFunkMaster, post: 1462178, member: 496916"] id say 89 is good enough...91 may be too high of an octane for your engine since its not a high performance engine and prob doesnt run at high temps or with a high compression ratio, but im not sure...try 91 if youd like, but if you hearing a slight knocking sound comin from your engine block then move down to 89 octane [/QUOTE]
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