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Best tune for a 2005 Gmc ECSB 5.3

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Old Jun 11, 2011 | 12:57 AM
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Default Best tune for a 2005 Gmc ECSB 5.3

What do you guys think would be the the best tune for me to get? I want to run like 13's whats my best bet? And what order should i do all of the basics?cam, LT headers, stall ?
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Old Jun 11, 2011 | 01:28 AM
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I think I did the stall first and it was awesome. It is a Yank 3000, but I would go 3200 if I had to do it over again.
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Old Jun 11, 2011 | 04:39 AM
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Cam then a complimenting Stall then LTs and whatever else you wanna do.
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Old Jun 11, 2011 | 07:20 AM
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Are you running stock 4L60E, and stock rear gears?
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Old Jun 11, 2011 | 06:01 PM
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Yes, the truck is completly stock as of now... haha but yeah I was thinking cam, stall, lt headers what is a good kind to get? Pacesetters, Lpp? I actually want a truck thats a reliable DD and is fast/loud but sounds good
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Old Jun 11, 2011 | 06:43 PM
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IMO.. it's best to mod from the back up. I understand the NEED for fast now. But it's easier to do the back to front build b/c you'll more than likely need the support for the speed. Stronger engine calls for a supportive rear end and trans.

IDK how many times you plan on changing your cam, but something moderate would be a good change for now, esp b/c you're still using the vehicle for your DD.

CAI, Pacesetter LT's, pulley, exhaust, and tune should be a good start too.
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Old Jun 11, 2011 | 08:10 PM
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Okay thank you thats what i was planning on doing and maybe the rear end sooner than later
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Old Jun 12, 2011 | 01:34 PM
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You're very welcome.
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Old Jun 12, 2011 | 03:11 PM
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I strongly recommend a local tune. I've seen too many mailorder tune issues over the years, and they can make things a PITA if you're waiting for PCM's to ship back & forth from Alaska.

Looking at your screen name, I'm guessing your truck is a 4x4, which means it's heavy. You're going to need some drivetrain upgrades if you truly want daily driver reliability. I'd recommend doing those first, unless you don't mind dealing with some down time every time something breaks. The transmission and rear differential is where you should start. You can add a good performance torque converter when you do the transmission, and get some solid gains. Many trucks will shave .4-.5 off their ET with the right converter.

If you live in Anchorage & have to pass the I/M test, you'll have to be careful at picking mods. I'm out in Wasilla, if you're in the area anytime, look me up. I can give you lots of ideas.
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Old Jun 12, 2011 | 06:56 PM
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Im knew to these forums sorry about this but do you mind me asking what a pulley is? And whats my best best for tune thinking BB or wheatley?
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