Did you go with the venom 250 or race venom?
What did you do to your NNBS GMT900 Tahoe/Yukon Today?
- Thread starter phattyford
- Start date
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Did you go with the venom 250 or race venom?
DaRosa218
The Dude abides
Finished changing out Intake Manifold Gaskets, Valley Pan Gasket, Oil Pressure Sender & Screen and Cleaned Throttle Body with new Gasket. Runs much better and hopefully fixes my Oil leak as the Valley Pan Gasket was trashed.
DaRosa218
The Dude abides
A few pics of how bad the valley pan was!
Dank Denali
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Race Venom all the way, wasn't willing to downsize the stock 3.5" piping. Plus I liked the way it sounded on JJdenali's 07. I took a cold start idle and warm start idle/rev video earlier, will get them posted up soon!
Dank Denali
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Videos are up in the Black Widow thread in the Performance section!
93blkongreenpro
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Started breaking in my Rampage MT. Dam thing is huge. Had to take out half my of 3rd row seat.
Sent from my SM-G935P using Tapatalk
Sent from my SM-G935P using Tapatalk
Countryboy07
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Going to sound AWESOME!
DaRosa218
The Dude abides
Truck is surging under de-acceleration and threw a P0430 Code. Time to see what's going on now 
Truck is surging under de-acceleration and threw a P0430 Code. Time to see what's going on now
It's a catalytic converter efficiency code. My wife's Buick threw this code last year. Had to get the cat repalced under GM's emmisions warranty. Tried swapping rear O2 sensors side to side and the code didn't move one side to the other and off to the dealer it went.
I didn't have any noticeable change in drivability though. Wonder if there's something else driving the condition that manifests in that code.
nixxxster
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Changed the Sub to Black Bear 91 tune 
1993 sierra
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Added some 26" replicas on my Escalade..
Sent from my SAMSUNG-SM-G928A using Tapatalk
Intake and tuner on way as well. Lol she has now been dubbed "the mom rocket" hahaha
How long did it all take?
DaRosa218
The Dude abides
I'm thinking it has something to do with the Intake manifold as I just replaced all the gaskets. I pulled the intake back off and going over everything again as we speak. If that doesn't fix it, I'm going to take it to a buddies Muffler shop and go all out with Headers, Hi-Flow cats all hooked up to my MBRP exhaust
DaRosa218
The Dude abides
Took me about a day (8 Hours) the first time. Now that I've done it I can disassemble, replace gaskets and reinstall in about 2 hours or less. The first time I ordered wrong gaskets and had trouble with the fuel injector clips which took up a lot of wrench time. The valley pan gasket for the AFM/DOD differs from that of a non-AFM/DOD LS.
DaRosa218
The Dude abides
Added some 26" replicas on my Escalade..
Sent from my SAMSUNG-SM-G928A using Tapatalk
Nice, I want your Stock 22's! LMAO Im thinking of actually lowering mine
DaRosa218
The Dude abides
I found these today and actually considering lowering my Z71. Reason why I didn't at first was the factory fender flares that come with the Z71's might look wrong. As you can see in the pics, It actually looks sweet with the Z71 flares and TBSS Replica's!!!
1993 sierra
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