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Old Mar 3, 2010 | 07:55 PM
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Default Wide Band Tune

I was wondering if you need a wide band tune when you are bolt only? I heard you cant adjust A/F the same without a wide band tune.

Thanks.
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Old Mar 3, 2010 | 10:05 PM
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Well a wideband tune will help but it wont be required. Just your car wont be running as well as it should. The computer will compensate a little bit for the bolt ons but people run Lt's and intake etc. with stock tune.
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Old Mar 3, 2010 | 10:33 PM
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Originally Posted by Ls1Rook
I was wondering if you need a wide band tune when you are bolt only? I heard you cant adjust A/F the same without a wide band tune.

Thanks.
Depends on which bolt ons you have, but it's not likely to be off enough to make a huge difference.

You really shouldn't mess with your WOT AFR without a wideband.
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Old Mar 4, 2010 | 12:05 AM
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Ok so bolt ons is not really necessary to get a wideband.

I'm thinking of adding a pair of ls6 heads (have 853s now), will the computer compensate as well or will the wideband be required?

I want to add a cam later down the road, and i am not really sure if the heads will be worth it on a stock cam.
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Old Mar 4, 2010 | 12:52 AM
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Originally Posted by Ls1Rook
Ok so bolt ons is not really necessary to get a wideband.

I'm thinking of adding a pair of ls6 heads (have 853s now), will the computer compensate as well or will the wideband be required?

I want to add a cam later down the road, and i am not really sure if the heads will be worth it on a stock cam.
If you're still running the stock screen MAF it won't kill you to run the 243s without a tune but it won't be ideal.

Your best bet would be to find someone local with a wideband and have them scan it with the wideband just to check. That way you'll know for sure if you need it or not.

The 243s are easily worth 15-20rwhp on the stock cam. I would run a thinner gasket as well to help get your CR up and lessen your quench height.
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Old Mar 4, 2010 | 01:22 AM
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That's some good information thanks guys.
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