2004 6.0 NV4500 Tahoe

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pwtr02ss

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Gen three is the easy one
I had that decently kinda sorted out back in 2011. Sadly, all that info in my brain has been replaced with more useless shit. Its pretty close, just rich at idle I believe and it has some surging I'd like to smooth out. The texas giant (248/252 IIRC) cam isn't going to make those things easy....oh and when the a/c is on, it doesn't like to idle at red lights. Start surging really bad then dies. I used to have natural reaction when slowing down. Reach over, cut the a/c off. Turn it back on when I took off...lol.

I won't clog up your thread with all that nonsense
 
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Dantheman1540

Dantheman1540

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I had that decently kinda sorted out back in 2011. Sadly, all that info in my brain has been replaced with more useless shit. Its pretty close, just rich at idle I believe and it has some surging I'd like to smooth out. The texas giant (248/252 IIRC) cam isn't going to make those things easy....oh and when the a/c is on, it doesn't like to idle at red lights. Start surging really bad then dies. I used to have natural reaction when slowing down. Reach over, cut the a/c off. Turn it back on when I took off...lol.

I won't clog up your thread with all that nonsense

All things I've had issues with except I have about half that duration in my cam :jester:
 

pwtr02ss

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All things I've had issues with except I have about half that duration in my cam :jester:
The dude that tuned my car did it in like 45 minutes on his lunch break. I didn't have hpt at the time so I just paid him. Thats with no wide band....

I know it needs help. Probably some power to be had. I'll bug you and Daddy R about it one day
 

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i just ordered a wb for ctsv, i was trying to find a gauge that would display it and ethanol % in one, since i need to mix to around e50 :(

i had been doing about 50% 93 and 50%e85 and it would end up around e45-e50 or so....but this last time :oops:
i was down under a 1/4 tank with it sitting about E47...so i put in 8gal of e85, hung up the nozzle and switched to top off with 93..and it only took like 3 gallons of 93 lol its prob not too bad but 65% or so i imagine. the in tank pump pressure drops i left friend borrow the hptuners module to look at some stuff on his tune, but i need to see what % its actually at, i can prob just use torque app but i havent been driving it - i need to run a few gallons out of it and top of with 93 again
 

pwtr02ss

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i just ordered a wb for ctsv, i was trying to find a gauge that would display it and ethanol % in one, since i need to mix to around e50 :(

i had been doing about 50% 93 and 50%e85 and it would end up around e45-e50 or so....but this last time :oops:
i was down under a 1/4 tank with it sitting about E47...so i put in 8gal of e85, hung up the nozzle and switched to top off with 93..and it only took like 3 gallons of 93 lol its prob not too bad but 65% or so i imagine. the in tank pump pressure drops i left friend borrow the hptuners module to look at some stuff on his tune, but i need to see what % its actually at, i can prob just use torque app but i havent been driving it - i need to run a few gallons out of it and top of with 93 again
which wb you buy? And you putting a new bung in for it?
 

randeez

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https://www.plxdevices.com/ProductDetails.asp?ProductCode=897346002719 is what ive used for a while, havent used one of the gauges before but it was only a couple bux more as the combo. may try and hide it in glovebox or behind screen or something, but i hate the way all gauges look for the most part

dont know about the bung, prob not. i think im going to pull one of the post cat sensors and just disable to code for that side in the tune. or these have a narrow band output so i could replace one of the pre cat ones with it and wire the signal wire back into the ecm. which i could prob do pretty easy since i have a few old o2s i can cut the plug off of and make a harness so i dont have to tap into the factory wiring
 

pwtr02ss

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https://www.plxdevices.com/ProductDetails.asp?ProductCode=897346002719 is what ive used for a while, havent used one of the gauges before but it was only a couple bux more as the combo. may try and hide it in glovebox or behind screen or something, but i hate the way all gauges look for the most part

dont know about the bung, prob not. i think im going to pull one of the post cat sensors and just disable to code for that side in the tune. or these have a narrow band output so i could replace one of the pre cat ones with it and wire the signal wire back into the ecm. which i could prob do pretty easy since i have a few old o2s i can cut the plug off of and make a harness so i dont have to tap into the factory wiring
That's awesome. I've said it over and over. I don't want another hole in my exhaust since it won't be permanently mounted in any of my vehicles. I'm like you, hate the extra gauge. No clean place to put it. Would like to have one for tuning and then take it off the vehicle
 

randeez

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That's awesome. I've said it over and over. I don't want another hole in my exhaust since it won't be permanently mounted in any of my vehicles. I'm like you, hate the extra gauge. No clean place to put it. Would like to have one for tuning and then take it off the vehicle

yep...this whole thing can be hidden behind the dash somewhere and theres a bluetooth dongle that plugs into the controller (red box) that you can bring up the afr on phone app, the little plug in looking mic jack and 4 pin connector. i already have it from the one i bought for my truck:
897346002870-3.jpg
 

pwtr02ss

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yep...this whole thing can be hidden behind the dash somewhere and theres a bluetooth dongle that plugs into the controller (red box) that you can bring up the afr on phone app, the little plug in looking mic jack and 4 pin connector. i already have it from the one i bought for my truck:
View attachment 360402
Very nice. Is that link you sent all I need to buy?
 

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