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Old 10-25-2006, 05:47 AM   #1
Scooby Newbie
Member#: 115572
Join Date: May 2006
Default Which map to use?

Heres my problem... Gasoline in my area comes either 87, 89, or 92 octane. But COBB only makes maps for 91 and 93 octane... Which map should i run for best performance? Again, i will be running 92 octane gas but cobb only makes 91 and 93 maps. Thanks!
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ender87i is offline   Reply With Quote
Old 10-25-2006, 08:04 AM   #2
Scooby Guru
Member#: 7164
Join Date: Jun 2001
Location: Arizona Bay
2000 Miata LS
Evo Orange Mica (1/644)


run the 91 octane map.
Spenk is offline   Reply With Quote
Old 10-25-2006, 10:03 AM   #3
Scooby Specialist
Member#: 126003
Join Date: Sep 2006
Chapter/Region: International
Location: fantasy island
2003 ...


Originally Posted by Spenk View Post
run the 91 octane map.
YUP 91 map for sure - Even if running 91 make sure you are pumping from a GS that you trust! - From what I understand (and I think it varies from state to state) there is an acceptable range +/- for the actual octane of a given pump gas. Don't push the limits too hard on the octane man (particularly for an extended time) bad juju for your motor
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