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

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CHOO CHOO

BackPagePhil
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That's what SHE said.


I didn't even notice that when I grabbed it off teh interwebz. Them old northern houses...
Thank God I don't have that anymore. Still have the knobs and bits of tube where the cut it off all over the basement and attic floor
 

wendal

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Haven't seen Wall-E yet.

To remain on this thread's topic:

I replaced the crappy drain valve on my catch can. The handle just spins cuz I "didn't stop right when it felt like it was gonna go soft". I torqued it to 2.7 grunts last time I closed it. It snapped and free-spinned and that's where it stayed. Upgraded to a 1/4-turn ball valve- Five minute/$8 upgrade.

Before:

View attachment 217156

After:

View attachment 217157
Where did you get the valve? What size threads?

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Hi-psi

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Ummmm. Where's the pics? Cmon, you know the rules.

Agreed. Pics or it didn’t happen.


It isn't pretty, but it works. Like I said, I didn't get the adjustment exactly like I would have preferred due to being in a rush because of a rain shower. The more I think about it, I'm not even sure I'll spend the time/money to paint or coat it since that doesn't impact the functionality. Isn't like anyone looks under the hood or I'm taking this thing to car shows. LOL As previously mentioned, it's definitely louder than the stock setup, not in a bad way though, and certainly seems in the 30 or so miles I've driven it so far that it takes a bit less pedal to moderately accelerate and cruise. More crisp/responsive throttle. I've got a full week of work commuting ahead and then a 800 mile round trip road trip this coming weekend, so I'll be able to tell soon what impact (if any) it has on fuel mileage in both scenarios.

Planning to still stay on the lookout for a smoking deal on an Airaid tube, but for now this works just fine.


20190224_114242.jpg
 

wendal

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Towed uhaul trailer full of patio furniture 4 hours. Transmission ran at around 200 degrees the entire time. Is that too hot? f571fbbd77f90d67255c46b9e8bb99f8.jpg

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wendal

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Towed uhaul trailer full of patio furniture 4 hours. Transmission ran at around 200 degrees the entire time. Is that too hot? f571fbbd77f90d67255c46b9e8bb99f8.jpg

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Ran 75 - 85 the entire way. Blackbear tuned to 93 octane...

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wendal

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