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Originally Posted by kauaiboy
aloha everyone,
just wondering if it's okay to use premium unleaded gas on the H2. i know it's expensive here in kauai. it is now $3.78 a gallon. i only use premium unleaded gas on my toyota's..please let me know...mahalos!!!
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My FZJ80 requires a high octane gas, but the Hummers do not. It is in yourOwners manual. 87 oct. is fine
