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Thread Tools | Display Modes |
08-02-2004, 05:13 PM
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#1 |
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Registered User
Join Date: Aug 2004
Location: Florida
Posts: 5
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91 GMC C1500 Ignition Timing
I got a 91 GMC C1500 with a 5.7L, W/AC, without an air pump & a 5 spd manual trans. My emissions label from under the hood is missing, so i don't know what to set my ignition timing to. And i can't find any info in any service manual, they all say refer to emissions label located under the hood, like i said mine is gone. If anyone can help please let me know, Thanks
JP |
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08-02-2004, 06:12 PM
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#2 |
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Registered User
Join Date: Oct 2002
Location: Cleveland, OH
Posts: 429
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0*, then the computer controls it from there
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08-08-2004, 04:21 AM
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#3 |
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Registered User
Join Date: Feb 2002
Location: Los Angeles, CA
Posts: 283
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No. 6-8btdc, the computer can only work within a range. Set it with the EST disconnected, brown wire with a black stripe over by the heater box.
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08-08-2004, 09:25 PM
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#4 |
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Account Suspended
Join Date: Dec 2003
Location: Texas
Posts: 2,686
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0 is what my stickers say .
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08-08-2004, 09:55 PM
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#5 |
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Registered User
Join Date: Aug 2004
Posts: 6
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My hanes book says '0' & I just did mine. Like ColinOpseth said you have to have the EST disconnected to get the correct reading.
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