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drdave81
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From
Waterford, MI
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Sunday at 8:19 PM
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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...
Jul 21, 2023
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...
Jul 20, 2023
drdave81
replied to the thread
2005 Denali XL Speakers from Crutchfield won't work?
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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...
Jul 20, 2023
drdave81
replied to the thread
Is a Denali worth it?
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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...
Jul 14, 2023
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