Recent content by SDog4127

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    Fuel Quality!

    Temperature/air density makes a HUGE difference in ignition timing and thus crisp throttle response. I’ve found 60-70° is ideal for power (ign. adv.) and Lowe EGR. Fuel is a huge difference, but it is captive by the knock sensor. The ECM will keep timing at its highest point before knock is...
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    New member and 97 Yukon Rehab

    Greetings: New to the group. I have s 97 Yukon SKY that I am rehabbing for sale. It was my fathers and he is no longer able to drive doe we had to take it away unfortunately. Aside from extremely timely oil changes (3months or 2,000 miles) this beast has been neglected. Body is straight, no...
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