Here is long term test after 1 1/2 months since the SVO30s were installed and injector offset table modified.

Weather was 57 degrees, elevation from 3500 to 4,000 feet ( loss of 52 HP due to elevation).

PCM non WOT recorded OBD-II cycles was 42,800 with only 624 WOT cycles over 33 miles in 38 minutes drive time. OBD-II scanner capture rate was 40 F/ps of 25 concurrent PIDs.

We see both long and short term fuel trims right around a perfect zero. Max air flow at 43 lbs or 610 CFM.

WOT timing good at 28 degrees.

SVO30s around max duty cycle of 78% with average NON WOT fuel injector pulse width of 4 mSeconds with a WOT peak of 16.3 mSecs.

Engine produced in short WOT 405 ft/lbs torque at 468 flywheel HP at 122 MPH with just under the 6,800 rev limiter.

WOT AFR was between 12.7 to 13 as water/methanol is being used spraying at around 600 mL a minute.

Again this 1999 LS1 is 372 CI stroked with 11.3:1 AFR with 91 octane gas and during this run had zero knock or misfire.

Non WOT fuel mileage was 20 for city and averaged between 28 and 32 MPG depending on how stable speeds were maintained.