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Old 06-15-2024, 10:36 AM   #1
Charles Stewart
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Default Minimum weight in AA/AF and BB/AF for Ecotec engine

Do you know the reason why the 4 cylinders Ecotec engine is penalized so much, in minimum weight VS all others 4 cylinders?

AA/AF: Minimum weight: GM Ecotec, 2,050 pounds, all others 1,750 pounds.
BB/AF: Minimum weight: GM Ecotec, 2,350 pounds, all others, 2,050 pounds.
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Old Yesterday, 01:52 PM   #2
Charles Stewart
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Default Re: Minimum weight in AA/AF and BB/AF for Ecotec engine

I also see in the turbocharged paragraph that the size is limited at 68 mm for the Ecotec and limited to 74 mm to all others 4 cylinders 4 valves...
This engine get a lot of restrictions for some reasons...
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