C4 Tech/Performance L98 Corvette and LT1 Corvette Technical Info, Internal Engine, External Engine

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Old May 5, 2003 | 08:32 PM
  #1  
zrracer's Avatar
zrracer
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From: palm harbor/murphy Fl/NC
C6 of Year Finalist (performance mods) 2019
St. Jude Donor '11, '14
Default air/fuel

I have a 1990 L-98 track car. It has a Painless harness. We figured out that if you tell the computer its a Camero you can get in the chip. The car has no O2 sensors. It has long tube headers and no spots for the O2's. On the harness is a connector for the sensors. Would it be possible to sticka cheeter sensor on the harness or somehow make the chip think the car has one ? It keeps telling us it can not get a reading and therefore work on the air fuel.

Any ideas would be appreciated.
Thks,
Robin
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Old May 5, 2003 | 09:46 PM
  #2  
ski_dwn_it's Avatar
0ski_dwn_it
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From: St Marys PA
Default Re: air/fuel (zrracer)

You need to have the sensor in order for the computer to adjust AFR. If you stick a resistor on the end that gives it a perfect AFR, the computer will not be able to see what is going on. They shouldn't even be allowed to sell them.

You will have to weld a bung onto the headers collector. It takes a shop about 10 minutes to do it. :cheers:
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Old May 6, 2003 | 01:32 PM
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zrracer
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From: palm harbor/murphy Fl/NC
C6 of Year Finalist (performance mods) 2019
St. Jude Donor '11, '14
Default Re: air/fuel (ski_dwn_it)

Do I only need to do one ? I have an LT4 that has 4.

Thks,

Robin
:cheers:
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