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Old 02-12-2021, 05:38 PM   #15
Evansa22

 
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Quote:
Originally Posted by sickss228 View Post
widebands should be installed around 6"-8" after the collector to let the exhaust pulses merge to reduce the possibility of false readings. Some people say to install them even further back but it might take longer for them to start reading correct since they have to be heated up to work properly.
Perfect, guess I won't have to weld a bung in then. I'll disconnect the driver side secondary o2 on the connection pipe and use that. Its about 8-10" past the collector. Thanks guys
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Old 03-17-2022, 07:11 AM   #16
MakCamaro
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Evansa22 where did you end up connecting the wideband sensor? Did you use the port where the stock secondary O2 sensor is connected (after the primary cat)? From what I have read so far, if I understand this correctly, we are supposed to use the O2 sensor port before the primary cat.
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Old 03-17-2022, 08:49 AM   #17
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I ended up using secondary o2 port as my cats are deleted. Location is perfect if you're running no cats, otherwise you'll need to weld in a bung before the cats. Factory o2's do a good job for idle and partial throttle tuning so wouldn't remove the first set of o2's, only secondaries. I guess it would be possible to remove primaries once your at the WOT tuning and have partial/idle dialed in, then once WOT is done, put them back. But then you won't have a permanent AFR gauge to monitor if you're into that
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Old 03-17-2022, 08:53 AM   #18
MakCamaro
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Thanks man. Yeah, I was planning to add a remote tune and that's what my tuner told me (that I need to weld a bung before the cat). I suppose both stock O2 sensors should stay on during the tuning
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Old 03-19-2022, 03:54 AM   #19
MakCamaro
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I will actually tune with Pray and it seems that they are fine with connecting the wideband sensor on the port where the stock secondary O2 sensor is connected (after the primary cat). Actually this is what Brett suggests. No need to weld a bung. He disables the secondary O2 sensor in the tune so I can even keep the gauge in the car and not use it just for tuning purposes.

By the way, great service by Pray. They replied all my emails and answered my questions and concerns with details.
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Old 03-19-2022, 04:09 AM   #20
MakCamaro
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Originally Posted by 20Bluezl1 View Post
There is a member on here that 3d printing the same mount for like $30. I bought one but never used it I'm sure if you do a search you'll find it. I'll look to see if I can find the members name.
Did you ever find this member's name? I like this setup.
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Old 03-19-2022, 12:24 PM   #21
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Originally Posted by MakCamaro View Post
Did you ever find this member's name? I like this setup.
You could also modify your stock vent, like I did.
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2018 Camaro ZL1 A10
Rotofab Big Gulp, Nick Williams 103, Magnuson 2650, 9.17" (14%) lower, 90mm upper, Vengeance Racing Heads (LME) Cam Package (Cammotion Stage 1), Johnson Lifters, JMS Voltage Booster, Lingenfelter high flow check valve, BBK shorty headers, Custom 2.75" down pipes, Gesi Gen2 high flow cats, MM catch can 791whp, 772ft-lbs SAE
Just added 30% XDI Injectors, LPE big bore hpfp, Flex fuel.
Elite tuning, results coming soon.


2006 Silverado Duramax Diesel
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