Base (stock) real data, feedback needed
03-20-2004, 07:37 PM
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Base (stock) real data, feedback needed I have purchased a DiabloSport Predator. My Predator info is as follows:
I understand (hopefully) through reading several threads here that I can adjust my baseline PCM tune parameters via emailing the data file and my hand-logged real time data to DiabloSport, and that upon receipt of their adjustments to the 'stock' data file, I can upload this 'custom baseline' tune back to the Predator, and then upload back into the vehicle. My purpose for doing this prior to installing the Predator tune is to start with a 'close' baseline (stock) tune, thereby being able to use the limited 5%+/- A/F fine tuning (amoung others) capability of the Predator in combination with a wideband O2 and dyno to 'zero' my LTFTs, get maximum spark advance, and zero knock retard under WOT conditions.
I am specifically looking for some knowledgable feedback on these real time data numbers and opinions/recommendations regarding what appears to be kind of 'whacked' LTFTs and other, ie are these normal for my mods, etc?
Cruising for 10+/- miles @ 1850rpm in 6th
LTFT1%=14.06
LTFT2%=14.06
WOT in 4th (starting at 2500rpm, cut off @ 5500 rpm)
LTFT%1=7.81
LTFT%2=5.47
HO2S B1S1 mV=870-910
HO2S B2S1 mV=870-910
KR=3+/- @ 5500rpm+/-
Timing=21+/- degrees
Modifications list
160 deg thermostat
SLP lid
descreened & ported GM MAF
ported GM TB
SLP smooth bellows
SLP cold air intake (CIA) [underneath SLP lid]
MAC o/r y-pipe (not catalytic converters)
ASP crank underdrive pulley
NGK TR-6 spark plugs
4.10 gears
Flowmaster catback
I'm no way close to knowing what is going on in this area, but I'm learning quite a bit. Just don't want to make any ill-informed assumptionsThanx in advance for any patience for the noob.....
I understand (hopefully) through reading several threads here that I can adjust my baseline PCM tune parameters via emailing the data file and my hand-logged real time data to DiabloSport, and that upon receipt of their adjustments to the 'stock' data file, I can upload this 'custom baseline' tune back to the Predator, and then upload back into the vehicle. My purpose for doing this prior to installing the Predator tune is to start with a 'close' baseline (stock) tune, thereby being able to use the limited 5%+/- A/F fine tuning (amoung others) capability of the Predator in combination with a wideband O2 and dyno to 'zero' my LTFTs, get maximum spark advance, and zero knock retard under WOT conditions.
I am specifically looking for some knowledgable feedback on these real time data numbers and opinions/recommendations regarding what appears to be kind of 'whacked' LTFTs and other, ie are these normal for my mods, etc?
Cruising for 10+/- miles @ 1850rpm in 6th
LTFT1%=14.06
LTFT2%=14.06
WOT in 4th (starting at 2500rpm, cut off @ 5500 rpm)
LTFT%1=7.81
LTFT%2=5.47
HO2S B1S1 mV=870-910
HO2S B2S1 mV=870-910
KR=3+/- @ 5500rpm+/-
Timing=21+/- degrees
Modifications list
160 deg thermostat
SLP lid
descreened & ported GM MAF
ported GM TB
SLP smooth bellows
SLP cold air intake (CIA) [underneath SLP lid]
MAC o/r y-pipe (not catalytic converters)
ASP crank underdrive pulley
NGK TR-6 spark plugs
4.10 gears
Flowmaster catback
I'm no way close to knowing what is going on in this area, but I'm learning quite a bit. Just don't want to make any ill-informed assumptionsThanx in advance for any patience for the noob.....
