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  #1  
Old 03-25-2007, 08:58 PM
707V6BUICKMAN 707V6BUICKMAN is offline
87 GN
 
Join Date: Sep 2006
Location: CA
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Default need help understanding my scan master!!!

i got a scan master2.1 for my 87 buick i'm trying to understand it my o2milivolt when i start my car are around 400-450 when it warms up it gets to around 600-7- some times it go's 750- the to 100 -210 when i let off the gas.
so how do i kow if the octain is right if it never stays consistant is this normal
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87GN
STOCK MOTOR REBUILT BOR 30"
42 1/2 INJ
3"DP
93 POSTON CHIP& HEADERS
ACCUFAB 62MM TB & FUEL REG
WALBRO/HOTWIRE
TE44C
2 1/2 HOOKER EXAUSTE
GN1 62MM PLENUM
GN1 PERFORMANCE CNC STOCK MAINIFOLD
GN1 PERFORMANCE PLATE(1 1/2")
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  #2  
Old 03-25-2007, 09:03 PM
chrisgarrett chrisgarrett is offline
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Default Re: need help understanding my scan master!!!

The stock 02 sensor is only meanful at WOT; otherwise, the numbers are supposed to jump around.
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  #3  
Old 03-26-2007, 01:29 AM
707V6BUICKMAN 707V6BUICKMAN is offline
87 GN
 
Join Date: Sep 2006
Location: CA
Posts: 68
707V6BUICKMAN is on a distinguished road
Default Re: need help understanding my scan master!!!

so what set up do i need?
I was also wondering when do i need to up grade my mass air flow?
__________________
87GN
STOCK MOTOR REBUILT BOR 30"
42 1/2 INJ
3"DP
93 POSTON CHIP& HEADERS
ACCUFAB 62MM TB & FUEL REG
WALBRO/HOTWIRE
TE44C
2 1/2 HOOKER EXAUSTE
GN1 62MM PLENUM
GN1 PERFORMANCE CNC STOCK MAINIFOLD
GN1 PERFORMANCE PLATE(1 1/2")
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