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Which octane to use

Which octane to use

Tagged: Octane

This topic has 0 replies, 1 voice, and was last updated 3 years, 8 months ago by Robert Sohm.

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August 9, 2020 at 10:37 am #962480
Robert Sohm
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Should a rebuilt 1990s GM 5.7L truck engine use 87 octane or 93?
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