Is your DIC/HUD accurate as far as total miles traveled and MPG. If so what is your tire size in the speedometer calibration and the values for H0101-H0104
Thanks
OEM Factory C5 tires and wheels. (Don't remember the size and wife has it right now...sorry)
{H0101} Vehicle Speed Sensor Pulses per Mile 31027.343750 Pulses/Mile
{H0102} Vehicle Speed Sensor Pulses per Revolution 12.683594 Pulses/Rev
{H0103} Differential ratio 3.419922 Factor
{H0104} Trans Output Shaft Revs/Mile 2446.171875 Revs/Mile
{H0105} PCM Primary Pulses per Mile Output Rate 4000.000000 Pulses/Mile
{H0106} PCM Secondary Pulses per Mile Output Rate 128000.000000 Pulses/Mile
{H0107} Vehicle Stationary Timer 0.112500 Seconds
{H0108} ETC Govern Speed Threshold 255.000000 MPH
{H0109} Maximum Vehicle Speed (non ETC) 255.000000 MPH
{H0110} Speed Limiter Enable 1.000000 MPH
{H0111} Overspeed Timer 1.000000 Seconds
LABELS Vehicle Speed Sensor Pulses per Mile (Pulses/Mile)
Parameters Value
{H0101} Vehicle Speed Sensor Pulses per Mile 30908.000000 Pulses/Mile
{H0102} Vehicle Speed Sensor Pulses per Revolution 35.078125 Pulses/Rev
{H0103} Differential ratio 3.899902 Factor
{H0104} Trans Output Shaft Revs/Mile 859.863281 Revs/Mile
3.90 rear 295/35/18s Cals to GPS within ~1/2 mph
2000 C5 Coupe, 6M, Callies/Mahle stroked LS7 (441), Blackwing, Halltech, LS3 intake, 90mm Shaner TB, ported L92 heads, FAST 50# inj, not too much cam, Kooks 1 7/8" headers , 3" catless mid pipes, Z TIs, track suspension, , 3:90 rear, EFI V2, LM-2, etc.
PowrMax Performance
100 mm PowrMAF
LM-2 EFILIve package with TAQ -sLM2 V-2 serial cable> Package deals
Stock 2000 C5
{H0101} Vehicle Speed Sensor Pulses per Mile 31028.000000 Pulses/Mile
{H0102} Vehicle Speed Sensor Pulses per Rev. 40.000000 Pulses/Rev
{H0103} Differential ratio 3.419922 Factor
{H0104} Trans Output Shaft Revs/Mile 805.195313 Revs/Mile
I have noticed that they drift between flashes. Something like AFR to Lambda a few releases ago.
Y2K C5, M6, LS6 intake, Kooks LT headers, High flow cats, 216/224 113 LSA, 5.3 Stage II heads. STS twins. COS