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Old 10-01-2011, 09:45 PM
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spymac spymac is offline
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Join Date: Sep 2011
Location: Central Cali
Posts: 134
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Vehicle: 2011 Ram 1500
Trim Level: Express
Color: Deep Water Blue Pearl
Engine: 2009-2012 345ci (5.7L) Hemi V8 390hp 407lb/ft
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Originally Posted by FireWire View Post
It would be interesting to know the difference with all things being equal.
Same truck, 87 vs 89 on a dyno or at the strip.
I put 91 in my first few tanks. I think I'm gonna try 89 in the next tank and see what happens.
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