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Old 05-18-2010, 09:44 PM   #1
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SVT NA performance. Wideband needed?

I know for a tune like Tom's, he is gonna want one. however, i'm wondering w/ just NA, IE, TB, 3" exhaust, ORP, AEM, cam gear on exhuast cam, etc. is it needed?


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Old 05-18-2010, 09:51 PM   #2
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probably not. 3' exhaust is probably gonna cut down yor power without FI. Especially with a ORP you'll have no tq and i very loud car
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Old 05-18-2010, 09:53 PM   #3
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by the way, i'm now the VERY PROUD owner of 2002 Black SVT!!!! picked it up for 4300 w/ only 40,000 miles and its in nearly showroom condition minus the 2 easily touchupable scrapes! Ya, i know it was seriously the steal of the year cause it also came w/ 17 inch euro's, a spare rim, 2 spec 2 clutches, spec flywheel, and a heck of a lot more! anywyas, so i will be lingering here in the SVT forum much more!!
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Old 05-18-2010, 09:54 PM   #4
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its been dyno proven by John i think that a 3 " doesn't loose ANY power anywhere in the RPM range!
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Old 05-18-2010, 10:00 PM   #5
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^^ Thank god. I have 3" TB exhaust, 3" ORP, and 3" Flex Pipe... Was planning on a turbo or nitrous setup but divorce ate up the cash I had set up for this... So... Now it's NA with 3" all the way back from the headers... Would def suck if I LOST power from this :-/
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Old 05-18-2010, 10:19 PM   #6
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Quote:
Originally Posted by djo90 View Post
probably not. 3' exhaust is probably gonna cut down yor power without FI. Especially with a ORP you'll have no tq and i very loud car


Yeah I'm sure with a 3 foot exhaust you would loose a little on the low end


With a 3'' it's been proven to gain throughout the entire rev range.
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Old 05-18-2010, 10:30 PM   #7
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i got the feeling that mlbbaseball is a scam artist

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Old 05-18-2010, 11:09 PM   #8
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Yeah.... 3 FOOT.... might loose alittle power/velocity. LMAO


Quote:
Originally Posted by sleepyboy View Post
Yeah I'm sure with a 3 foot exhaust you would loose a little on the low end


With a 3'' it's been proven to gain throughout the entire rev range.
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Old 05-18-2010, 11:27 PM   #9
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Brad look at it this way, you've seen how the voltage for the NB acts and you've seen how the voltage for a WB acts. One is a switch (basically) the other a (or tries to be) a precision instrument.

The ECU only sees voltage. It has no clue what the fuel is or if and how much Ethanol there is in the fuel (assuming MI uses some Ethanol as and Oxygenate like MN does, we use 10%).
You toss a WBO2 in the car and use the NB out and you just made a flex-fuel car the simple way.
What, how?
Simple. A NB is an Oxygen Sensor and a WBO2 is a Lambda Sensor. Oxygen is dependent on fuel type while Lambda is independent of any fuel type. Simplistic explanation but it works.
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Old 05-19-2010, 08:56 AM   #10
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Quote:
Originally Posted by iminhell View Post
Brad look at it this way, you've seen how the voltage for the NB acts and you've seen how the voltage for a WB acts. One is a switch (basically) the other a (or tries to be) a precision instrument.

The ECU only sees voltage. It has no clue what the fuel is or if and how much Ethanol there is in the fuel (assuming MI uses some Ethanol as and Oxygenate like MN does, we use 10%).
You toss a WBO2 in the car and use the NB out and you just made a flex-fuel car the simple way.
What, how?
Simple. A NB is an Oxygen Sensor and a WBO2 is a Lambda Sensor. Oxygen is dependent on fuel type while Lambda is independent of any fuel type. Simplistic explanation but it works.
um...ah... 10% ethonol has little to no impact on the oxygen in the exhaust. here in my state as in most others we have 10% ethonol in the fuel. but new cars don't come with widebands. the air fuel ratio and how complete of a burn will change the percentage of oxygen in the exhaust. they can not read anything except oxygen.
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