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MarkSS · 05-09-2019

My LT5 is 12:1 compression as modified by Lingenfelter back in the 90s. I have only driven it about 40 miles so far, but will be driving it regularly soon. So, will 92 octane unleaded be enough or do I need to add some kind of octane boost, and if so, what product is recommended?

05-09-2019	#1
MarkSS Join Date: Dec 2015 Location: MN Posts: 72	Fuel for higher compression My LT5 is 12:1 compression as modified by Lingenfelter back in the 90s. I have only driven it about 40 miles so far, but will be driving it regularly soon. So, will 92 octane unleaded be enough or do I need to add some kind of octane boost, and if so, what product is recommended?