did these mods, Now do i need a tune?

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06-10-2011, 09:39 PM

#11

cisurfer

5th Gear Member

Join Date: Aug 2006

Location: Central NJ

Posts: 2,158

Are you throwing a check engine light? What is your mpg now?

06-11-2011, 08:37 AM

#12

keeno

2nd Gear Member

Join Date: Mar 2007

Location: Griffin, GA

Posts: 418

Why would your really even need a tune for a gear swap? Besides just to correct the speedo to the new ratio. I personally bought a used Diablo just to correct the speedo when I had 4:10's installed. Went ahead and installed the "93 octane performance tune" while it was hooked up. Mods are K&N fipk, bbk 75mm tb, C&L elbow, o/r x, welded in 2 1/4" 40 flows, 4:10's.