Back in the early 1990s the Gen II LT1 and LT4 engines powered GM's hottest performance cars, but GM read the tea leaves and knew that this platform would not be able to get them where they would ...
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How to decode Pontiac engine numbers
Pontiac engine codes, casting numbers, and date codes reveal an engine’s identity and history. Learning how to locate and interpret them can confirm whether a powerplant is factory-original or a later ...
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