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2008lmmchopper

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May 28, 2017
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Cool well you guys helped alot I appreciate it. I was about to buy a turbo but I will wait and see how it is.

2008 gmc sierra 2500 lmm
 

jlawles2

Well-known member
Jan 28, 2010
1,067
43
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Danbury, TX
Welcome to the site.

You might ask Kory about injectors. Some claim its easier to keep the rods inside the block with bigger injectors since the injection cycle is shorter for the same amount of fuel. Another thing is bigger injectors might be easier to keep the smoke down on since the injectors close earlier. Remember black smoke is waisted fuel and excess heat.
 

2008lmmchopper

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May 28, 2017
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Welcome to the site.

You might ask Kory about injectors. Some claim its easier to keep the rods inside the block with bigger injectors since the injection cycle is shorter for the same amount of fuel. Another thing is bigger injectors might be easier to keep the smoke down on since the injectors close earlier. Remember black smoke is waisted fuel and excess heat.
Yes I'll keep that in mind and ask when I send my tuner back in for the trans tuning. I agree on smoke. Mine smokes a bit with the set up I have but only when you floor it and it's a moderate sized poof lol.

2008 gmc sierra 2500 lmm
 

zakkb787

<that’s not me...
Sep 29, 2014
2,340
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Granite Falls NC
I wish I would have went bigger when I did mine. But yanno if yours are still in spec that's a huge task to tackle. And expensive. I'd leave it till they do go
 

2008lmmchopper

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May 28, 2017
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I wish I would have went bigger when I did mine. But yanno if yours are still in spec that's a huge task to tackle. And expensive. I'd leave it till they do go
Ya I hope it's a along time till they go. I heard lmm has good injectors. I am at 127k miles now. Still in spec too.


2008 gmc sierra 2500 lmm
 

N2BRK

Well-known member
Dec 31, 2009
2,073
406
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yes, it is that big of a difference! Good job on regearing; so many people don't and then bitch that they keep destroying trannies, etc. :thumb:
 

2008lmmchopper

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May 28, 2017
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yes, it is that big of a difference! Good job on regearing; so many people don't and then bitch that they keep destroying trannies, etc. :thumb:
I'm really excited for it anyways now I can't even wait lol. And ya I like to have my bases covered lol I even put a kryptonite stage 3 front end kit in it I've owned a couple dodges lol never again will I deal with a front end.

2008 gmc sierra 2500 lmm
 

N2BRK

Well-known member
Dec 31, 2009
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it'll help, but it's not foolproof. If you have the torsion bars turned up you'll still have damage. I rolled my Kryptonite centerlink up, lol.
 

2008lmmchopper

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May 28, 2017
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it'll help, but it's not foolproof. If you have the torsion bars turned up you'll still have damage. I rolled my Kryptonite centerlink up, lol.
Well I didn't install the lift myself had a local shop do it. It's a fabtec 6 in from what I understand it's one of the better speciaslly for the price. Definitely ain't a cognito lift or high end but everything underneath looks good. I bought it with under a 100k last summer and it's about to crack 128 lifts been on for probably 27k miles. But I know what you mean. I'm not gonna be doing four wheel launches with it or much off roading I like the life time warranty is the main thing that and it's crazy how much thicker they are.

2008 gmc sierra 2500 lmm
 

2008lmmchopper

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May 28, 2017
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it'll help, but it's not foolproof. If you have the torsion bars turned up you'll still have damage. I rolled my Kryptonite centerlink up, lol.
But my point was idk if the bars are turned up I didn't do the lift. And it's my first gm I don't know IFS trucks. I've always had solid front axle trucks.

2008 gmc sierra 2500 lmm
 

N2BRK

Well-known member
Dec 31, 2009
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Look at your CV angles; make them dead flat. It's your best insurance.
 

2008lmmchopper

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May 28, 2017
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Look at your CV angles; make them dead flat. It's your best insurance.
Ya they aren't completely flat I know that. It's pretty damn close tho. Also I should say in four wheel drive in the snow I noticed if I accelerate the truck pulls as tad to one side. Not sure why. Any ideas? I've heard others say the same thing.

2008 gmc sierra 2500 lmm
 

2008lmmchopper

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May 28, 2017
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So got the truck back from getting transmission kit installed, also got my trans tunes and updated motor tunes. Reflashed it and took her out man oh man its night and day. Unbelievable really. I thought it shit and git before the trans. I'll have to post a video. But I think for now I'll let her be. Stock turbo injectors and pump. Maybe more in the future but for now like some of you said it's more then enough I have a permagrin. Shifts a lot harder now when I punch it but I was told that's normal??

2008 gmc sierra 2500 lmm
 

Dozerboy

Well-known member
Jun 23, 2009
4,926
507
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TX of course
Have you let the trans learn its shifts? You shouldn't have hard shifts. That's a bad sign!


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IOWA LLY

Yes, its really me
Feb 23, 2007
2,275
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Have you let the trans learn its shifts? You shouldn't have hard shifts. That's a bad sign!


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If his converter wasn't locking before because he was blowing through it bad, and now it's locking when it's supposed to it will most definitely shift firmer. Nothing wrong with that.


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2008lmmchopper

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May 28, 2017
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Have you let the trans learn its shifts? You shouldn't have hard shifts. That's a bad sign!


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Well the more I drive it the better it gets. My transmission guy told me to be easy for as bit. But also said it will shift harder then it used to.

2008 gmc sierra 2500 lmm