373 gears
07-19-2008, 02:51 AM
#4
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You can either get a Self Tuners like Diablo's Predator, or pay for a shop to tune it. Alternatelly you can find someone on your area with HP Tuners or LS1 edit that would be willing to change that for you.
07-19-2008, 03:35 AM
#5
of course it norm 
......think about it, your driveshaft is now spinning quicker than it was at lower RPMs with the new gears, hince the higher your speedo is reading, you have to tune the computer for the new gears. Less its a older 3rd gen then it takes new speedo gears in the tranny tailshaft!
......think about it, your driveshaft is now spinning quicker than it was at lower RPMs with the new gears, hince the higher your speedo is reading, you have to tune the computer for the new gears. Less its a older 3rd gen then it takes new speedo gears in the tranny tailshaft! 
Send it to PCMFORLESS. Cost me $50 bucks after I put my 3.73 gears in.
07-19-2008, 02:15 PM
#8
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I put 3:73's in mine.. I got a Diablo tune and it worked perfect. Plus it changes the shift points for you automatically. You can throw a performance tune on it also..It isn't cheap tho.. I got mine for $325.
