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87 the de-tuned LT1 will not run as efficiently on higher grade fuel
No, GM vehicles do not use inertia/reset switches.
87
yes
The 3.8 Liter V6 powering the Buick Park Avenue Ultra requires only 87 octane fuel. You can use 89 octane but there is zero benefit in doing so. The Supercharged version may require 89 or 91 octane of that I am not sure. Check the owners manual and use exactly what is recommended.
you should never tow in overdrive. that will kill your transmission. tow in regular drive or 3
The regular Green stuff. The orange DexCool only showed up a year later.
Octane has not special application excepting the so-called octane number.
From my understanding, in 94 and newr vehicles, all of them use 134A. 92 & older use R12. 93 Was the wierd year that some has 12 & others 134 A.
87 octane
you should use the medium rating octane(may vary depending on station)but usually 89 octane
You can use either octane range of 87 to 89. But Daimler-Chrysler recommends to use 89 octane for optimum performance.