Help get me under 13 - 05 GT auto vert

[Mishri]

he has an auto, short throw wont do much for him, he already has pulleys, new tires wont do much for him on the 20s. I got a DA adjusted 12.9 with my mods listed below and MT drag radials on 17" stock rims. so.. yeah.. get 4.10s, a Driveshaft, and get some stock 17" rims with MT DRs should get you there.. to be certain you can try the offroad x and delete plates. also pull spare/jack if you haven't already.. and any other weight savings you can do.. remove rear seats + hardware.. you have a couple hundred lbs on me I believe and I had jack/spare removed for that run and I had the engine completely cooled down.

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[lbballin9]

Didn't the 05's and 06's come stock with 3.55 gears? I know people love 4.10's but your gears are good enough right now. Add other things before gears. Hell throw some cams on there. That'll be nice

[Mishri]

the autos have always come with 3.31s.. I shaved off like .3 with gears alone.. its a huge difference for only $200 (with install $500) bang for the buck it can't be beat. Cams are best when you have LT headers, w/o headers a lot of people have only gained 10-15rwhp, with them they have added 20-30rwhp... I'd do Cams as a final mod and only if I wasn't going to get forced induction.

[stealth_GT]

+1 on the gears helping with acceleration. The 3.31s were great for traction but not so great for picking up acceleration.

[07BLACKGT]

4.10's and get rid of the 20's and you should be there.