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tom,
can I run the 2.3 head without a tune? I imagine since it flows better it might run a little leaner, but won't the ecu adapt? I know for ultimate power and if I go n/a I'll definetly need one after I/H/E, but I just want to get the biggest expense (head swap) out of the way first.
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2008 VS 5-speed coupe. CFM CAI, FRPP suspension, SES grill+tails
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