Quick question guys, does it matter if it might have oer lifters or not? I want to put ls7 but I do not know if the difference in tolerance might affect anything or not.
OER Lifters need adjustable rockers. If you put LS7s in there you don't need adjustable rockers.
2000 Pontiac Trans Am WS6 M6: 427ci LS3, Built T56, Moser 9" w/ 4.11 Gearing, Full Suspension, and 6-point Cage. 2000 Pontiac Grand Prix GTP: Twincharged (T67 Turbocharger). 2007 Chevrolet Silverado 3500 Dually: Intake, Exhaust, and Tune.