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O2 extended length for ls3 to ls7 exhaust conversion

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Old 04-30-2014, 04:21 PM
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Skol
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Default O2 extension length for ls3 to ls7 exhaust conversion?

I have a full Z06 exhaust setup I'll be installing in the next few weeks on my 13' Grand Sport. I have the manifolds, cats, h-pipe, and mufflers. I know some people have modified their 02 harness to work for the manifolds, but I would prefer to just order extenders. I have found some for about $25-$30. My question is for those who have done this to their grand sport, what length did you go with?

Last edited by Skol; 04-30-2014 at 08:20 PM.
Old 05-01-2014, 06:57 PM
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PA_BLUE_C6
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St. Jude Donor '05-'10-'12, '15

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Do not have a GS, but the 2' extensions worked well for me.

08 narrow body
Old 05-01-2014, 07:02 PM
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96GS#007
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Originally Posted by Skol
I have a full Z06 exhaust setup I'll be installing in the next few weeks on my 13' Grand Sport. I have the manifolds, cats, h-pipe, and mufflers. I know some people have modified their 02 harness to work for the manifolds, but I would prefer to just order extenders. I have found some for about $25-$30. My question is for those who have done this to their grand sport, what length did you go with?
24". You can look for my thread in C6 Gen if you search on my user name.
Old 05-01-2014, 07:29 PM
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HOXXOH
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The wiring mod is real simple. You just remove some tape to allow a greater length of exposed O2 wire and then retape the original harness and tape the O2 wiring into it's own harness. The wire is already there, so all you're doing is converting a LS3 harness into a Z06 harness exactly the same as OEM.

Half the enjoyment of modding, is the satisfaction of doing things yourself.

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