drdave81
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drdave81 replied to the thread 2006 Yukon Oil Pressure Drop After New Heads Installed.How are you reading oil pressure? The gauge in the cluster or an actual mechanical gauge in the block? If you're basing it on the... -
drdave81 replied to the thread Any benefit to running anything above regular (87 octane) in 4.8L V8?....If your engine has a factory tune on the ECM, running a higher grade fuel will not change anything. Your engine/ECM are tuned for 87...
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drdave81 replied to the thread 2005 Denali XL Speakers from Crutchfield won't work?.Did you mess with the wire harness going into the door from under the dash at all, or do nothing more than replace a speaker? Were you...
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drdave81 replied to the thread Is a Denali worth it?.The 6.0 does only require 87 octane. Unless the ECM is tuned for running something more than that, you won't really get any benefit...
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