Alright let's say I have $2,000. What mods would be best for

[gmccoop]

The 5.3 isn't bad on power but who wouldn't want more? Yet to spend my tax money and I need the most bang for my buck. I see talk of cams but I'm not to sharp on things under the hood and really am pretty clueless. Any info is appreciated!

 

 

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[LongrangeLauber]

Custom blackbear tune won't even cost you half of that. Probably the best bang for your buck

[blackout07]

How about gears for those 35s? Tune won't help too much IMO, without the proper gear ratio.

[LongrangeLauber]

I'm on Tapatalk so I didn't see any sig. I recommend gears instead haha

[LongrangeLauber]

Here you go, made a thread on how to regear the new 12 bolt 9.5" rears

 

http://www.gm-trucks.com/forums/index.php?/topic/170635-Looking-to-regear?-Then-look-here!

[gmccoop]

How about gears for those 35s? Tune won't help too much IMO, without the proper gear ratio.

I actually have no clue what gears I have. How can I check?

 

 

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[zach1990]

RPO codes in the glovebox

[gmccoop]

RPO codes in the glovebox

I have GU6. So are these good gears for 35s?

 

 

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[LongrangeLauber]

They aren't bad but if you want stock performance and towing capabilities you should go with 4.10's

[zach1990]

Or 4:56. There are countless threads on here about regearing

[LongrangeLauber]

I was saying 4.10 because that would be equivalent to stock tires with 3.42's but IMO I would also get 4.56's

[zach1990]

I was saying 4.10 because that would be equivalent to stock tires with 3.42's but IMO I would also get 4.56's

I suggested 4:56 for a little more go power but you are correct

[jaws52]

tune, cold air, exhaust

[blackout07]

4.56 for sure. 4.10 is correct based on the tire diameter. It doesn't take into account the added weight, rolling and wind resistance. After that's done, a tune will be required to correct the speedo and help open things up. I'm not a believer in exhaust and intakes, despite having owned them. At least not on lifted rigs with no other real performance goodies.

[TJay74]

Tune, CAI, headers, and under drive pulley. Should give you an honest 40rwhp increase.