What did you do to your NNBS GMT900 Tahoe/Yukon Today?

[dross99_si]

Sucks. Would make killer power though. That corn juice is amazing stuff. And Cheap to boot!

 

[93blkongreenpro]

Ordered 2" drop springs from Tony. Come on the 20th of next month. I'll have a day and a half to replace all my front suspension, put rear springs and shocks on ( undecided on helper bags yet), the new intake manifold ( broke the pcv nipple), and brake light switch bc my cruise control knocks off when I hit a bump.

Then alignment the 21st. I think it's doable.

And if I have time, get the windshield tinted.

Maybe polish and wax, but that may be pushing it.


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[ISU-152]

Ordered 2" drop springs from Tony. Come on the 20th of next month. I'll have a day and a half to replace all my front suspension, put rear springs and shocks on ( undecided on helper bags yet), the new intake manifold ( broke the pcv nipple), and brake light switch bc my cruise control knocks off when I hit a bump.

Then alignment the 21st. I think it's doable.

And if I have time, get the windshield tinted.

Maybe polish and wax, but that may be pushing it.


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Why would you need helper bags with a drop?

 

[93blkongreenpro]

I tow a dual axle trailer twice a year that either has a 66 chevy with a 383 stroker or a 80 WS6 T/A with a 400 bb in it about 200 miles. Then add me, and 3 275lb men.

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Edit: The 66

 

[CHOO CHOO]

Helper bags are cheap and easy to install especially if you are already taking stuff apart. I love having them even if i dont use them much. Nice to know i can throw a heavy amount of stuff in or tow a big trailer if i need too

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[Fosscore]

X2 on the bags while you have everything apart. Less than $100 and ready if you need them.

 

[Jason_S]

Can you upgrade your injectors and pump to bigger components that are ethanol compatable?
You'd make a bunch more power and be more resistant to knock on the E.
Makes a huge difference on the EVOs. If I switched to E85 right now I'd net 60-80 more WHP and be real close to 500 Mustang Dyno at that point. Unfortunately the closest station to my house is 60 miles away so it's not very convenient

At this point, he would also need a retune (obviously), but with that tune he will probably need the alcohol sensor re-enabled and the ethanol maps added back in. he will not 'need' to fuel up solely at e-85 stations IF everything is added back in correctly. His ECU will be able to recognize the alcohol content of the fuel and adjust for that content. A pain in the hind end, but do-able and can get pricey if paying someone else to do that work. Depends on how serious you are about that extra HP, but the dollar per HP ratio will be steep.

 

[950410]

x3 on the bags. Have them on my lowered TBSS that has seen a ton of towing miles. No issues at all.

 

[dross99_si]

At this point, he would also need a retune (obviously), but with that tune he will probably need the alcohol sensor re-enabled and the ethanol maps added back in. he will not 'need' to fuel up solely at e-85 stations IF everything is added back in correctly. His ECU will be able to recognize the alcohol content of the fuel and adjust for that content. A pain in the hind end, but do-able and can get pricey if paying someone else to do that work. Depends on how serious you are about that extra HP, but the dollar per HP ratio will be steep.

Yeah it will be back to true flexfuel.
So need for bigger pump or injectors though? Do the stock parts flow enough? So basically no mechanical modifications needed, just tuning related changes?
Not sure it's worth it to spend the dough if you don't have E85 close by so you can run it daily.
Would be cool to unlock that extra power though.

 

[NASTY GM]

Shop finished the rear. Now need to finish the front.

 

[ISU-152]

I just assumed on a lowered truck you wouldn't be towing anything substantial to warrant bags. I keep my bags around 40 on a daily...what about you guys?

 

[07Burb]

woah!!! that is awesome!!

 

[07Burb]

I just assumed on a lowered truck you wouldn't be towing anything substantial to warrant bags. I keep my bags around 40 on a daily...what about you guys?

Lowered trucks/SUVs are used for towing pretty often. Not that rare of an occurrence.

 

[Jason_S]

It will depend on where the duty cycle is at on his stock injectors on his current tune. Judging from the recommendation to not run e85, I would guess that larger injectors are needed. I would probably look at injectors from a flex fuel 6.2L if you want to add e85 to your tune. I am not a fad of dropping the fuel tank on Tahoes and Burbans, so I would wait and see if the stock fuel pump is the limiting component. However, since dyno time isn't exactly free, I might give some thought to going with an aftermarket pump for the added fuel and prevent a fuel pump from costing me dyno time or make me have to reschedule.

 

[Bigmac18]

Threw on some 2" hubcentric spacers and did a little more trimming, pictures will be up soon

 

[Goodinblack]

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[93blkongreenpro]

Looked at it and got some more parts in the mail. She is basically getting a whole new suspension and should be like new.

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[bigrhino]

New EBC slotted rotors, extra duty brake pads, tires rotated and balanced.

 

[93blkongreenpro]

New EBC slotted rotors, extra duty brake pads, tires rotated and balanced.

Sounds nice. Pics? You go with the black rotors?

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[bigrhino]

Yes on the black rotors. Pics in a few days.