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

why I'm I lean?

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Old May 11, 2006 | 06:25 PM
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Default why am I lean?

Pulled the plugs on my iron head '86 to see how it's running before I buy a nitrous kit, and my plugs are on the lean side(white). Not sure where my presure is my gauge hasn't come in yet. Could this be a presure, supply problem or both.

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Old May 11, 2006 | 06:31 PM
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The only way you can read plugs is by going full throttle and shutting the car down and costing the rest of the way .... anything else is false reading
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Old May 11, 2006 | 06:33 PM
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10-4. Hard to do on the street.
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Old May 11, 2006 | 06:58 PM
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Originally Posted by c4 4 me
Could this be a presure, supply problem or both.
Pressure is the main component of the fuel supply on these cars. Chances are you won't have a problem with one, without trouble with the other. There are several other reasons for "white" plugs. The incorrect heat range for the present usage, is the first that comes to mind.

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Old May 11, 2006 | 07:04 PM
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Originally Posted by c4 4 me
10-4. Hard to do on the street.
not to hard in detroit
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Old May 11, 2006 | 08:19 PM
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To hot makes sence. They are autolite platinum ap 24. What should I have in there when I add a 100-150 shot of juice? What everything right before I start messing around with giggle gas, my pistons are happy right where they are.
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