LT1 Based Engine Tech 1993-1997 LT1/LT4 Engine Related

Header Temp

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Old 03-02-2006, 12:44 PM
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Re: Header Temp

ok called the computer guy

0 = BLMS
Stock = Cylinder Balance Table
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Old 03-03-2006, 08:10 AM
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Re: Header Temp

Checked the harness with the NOID lights
all worked but the light seemed a little week
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Old 03-05-2006, 02:59 PM
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Re: Header Temp

anyone think this is a stuck injector
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Old 03-08-2006, 10:07 AM
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Re: Header Temp

all injector harnesses have steady 11.75 volts with key on
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Old 03-08-2006, 11:15 AM
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Re: Header Temp

Originally Posted by Dfetter84
anyone think this is a stuck injector
One stuck injector wouldn't affect 4 cylinders, and it's pretty improbable to have 4 stuck injectors all on the same bank.
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Old 03-08-2006, 02:38 PM
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Re: Header Temp

i would say ignition but the coils are working.
i am getting fire to the plugs i have an inline tester
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Old 03-10-2006, 08:23 PM
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Re: Header Temp

swapped o2's
same readings

also noticed that the car revs it self up freely when holding accelerator

2000 to 1500 to 2000
thought it was my error but its not
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Old 03-10-2006, 08:52 PM
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Re: Header Temp

Maybe you have a head gasket leak? I dont see how even running extremely rich would make a 300 degree difference in header temp.
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Old 03-10-2006, 10:47 PM
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Re: Header Temp

I assume you have ceramic coated headers right? Infrared temp sensors don't read accurately at all when used on a reflective surface.
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Old 03-11-2006, 02:07 PM
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Re: Header Temp

compression test shows 202psi on each cylinder
yes i have ceramic coated headers but i still disagree with you
why would my car make only 270rwhp on the dyno unless i was missing a few cylinders
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Old 03-11-2006, 03:05 PM
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Re: Header Temp

I'm not saying you are or are not dropping any cylinders. I AM saying you cannot trust infrared temp guns on reflective surfaces. They will not give you anything close to an accurate reading on a reflective surface.
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Old 03-11-2006, 11:25 PM
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Re: Header Temp

Ill be the jerk

Optispark
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Old 03-13-2006, 12:44 PM
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Re: Header Temp

see sig
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Old 03-13-2006, 06:17 PM
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Re: Header Temp

Originally Posted by Dfetter84
see sig
Delteq still uses the opti to a certain extent. when was the last opti replaced?
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Old 03-14-2006, 09:46 AM
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Re: Header Temp

100 miles ago
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