Tuning ?
Thread Starter
Instructor
Joined: Dec 2012
Posts: 127
Likes: 2
Tuning ?
I don't know if it's me or not, maybe others can chime in here be it people who have done business with tuners or tuners themselves could tell me what's up.
To me it's hard to believe a Tuner can't tune a car with catalytic converter
that has a Katech 116 cam in it , when a new zr1 or the new c7 z06 with over 600hp is smog legal with cats. So why is it my tuner a is telling me I'll have DTC's if I have him enable my O2 sensors to allow my z06 to run with the cats, is it me or is he being lazy with the tuning?
Input would be very appreciated good or bad please
Thank You
Car mods Volant CAI
Katech 116 cam with new springs
and Magnaflow cat back exhaust.
To me it's hard to believe a Tuner can't tune a car with catalytic converter
that has a Katech 116 cam in it , when a new zr1 or the new c7 z06 with over 600hp is smog legal with cats. So why is it my tuner a is telling me I'll have DTC's if I have him enable my O2 sensors to allow my z06 to run with the cats, is it me or is he being lazy with the tuning?
Input would be very appreciated good or bad please
Thank You
Car mods Volant CAI
Katech 116 cam with new springs
and Magnaflow cat back exhaust.
Pro
Joined: Jan 2014
Posts: 631
Likes: 0
From: NEWPORT NEWS VIRGINIA
Melting Slicks
Joined: Nov 2013
Posts: 2,587
Likes: 69
From: Memphis Tn
I don't know if it's me or not, maybe others can chime in here be it people who have done business with tuners or tuners themselves could tell me what's up.
To me it's hard to believe a Tuner can't tune a car with catalytic converter
that has a Katech 116 cam in it , when a new zr1 or the new c7 z06 with over 600hp is smog legal with cats. So why is it my tuner a is telling me I'll have DTC's if I have him enable my O2 sensors to allow my z06 to run with the cats, is it me or is he being lazy with the tuning?
Input would be very appreciated good or bad please
Thank You
Car mods Volant CAI
Katech 116 cam with new springs
and Magnaflow cat back exhaust.
To me it's hard to believe a Tuner can't tune a car with catalytic converter
that has a Katech 116 cam in it , when a new zr1 or the new c7 z06 with over 600hp is smog legal with cats. So why is it my tuner a is telling me I'll have DTC's if I have him enable my O2 sensors to allow my z06 to run with the cats, is it me or is he being lazy with the tuning?
Input would be very appreciated good or bad please
Thank You
Car mods Volant CAI
Katech 116 cam with new springs
and Magnaflow cat back exhaust.
Thread Starter
Instructor
Joined: Dec 2012
Posts: 127
Likes: 2
Yes, it has stock headers and mid pipe. I'm in the great CA state with emissions
Last edited by one bad Z06; Apr 26, 2014 at 01:47 PM.
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Drifting
Joined: Sep 2012
Posts: 1,371
Likes: 19
From: Pittsburgh
The only problem I've seen is some aftermarket cats(high flow) will trip the secondary sensor. The secondary basically tells you if the cat is working. With no cat it will think the cat is not working(because you don't have one). I have seen high flows occasionally throw a code for the secondary just because they don't "filter" out the CO like it should. However your tuner can turn off the code so it doesn't show up. Your primary O2 is your fueling sensor. Your secondary has little to no effect on fueling.
Thread Starter
Instructor
Joined: Dec 2012
Posts: 127
Likes: 2
The only problem I've seen is some aftermarket cats(high flow) will trip the secondary sensor. The secondary basically tells you if the cat is working. With no cat it will think the cat is not working(because you don't have one). I have seen high flows occasionally throw a code for the secondary just because they don't "filter" out the CO like it should. However your tuner can turn off the code so it doesn't show up. Your primary O2 is your fueling sensor. Your secondary has little to no effect on fueling.
Melting Slicks
Joined: Nov 2013
Posts: 2,587
Likes: 69
From: Memphis Tn
most of the time the valve events that aftermarket cams bring into the equation are not inline with some of the stock parameters that need to be adhered to in order to meet the emissions standards.
Thread Starter
Instructor
Joined: Dec 2012
Posts: 127
Likes: 2
FYI that Quagmire image is funny OHHH RIGGHT
Melting Slicks
Joined: Nov 2013
Posts: 2,587
Likes: 69
From: Memphis Tn
giddity