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Blazer Forum - Chevy Blazer Forums
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https://blazerforum.com/forum/
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Engine & Internal
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https://blazerforum.com/forum/engine-internal-9/
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4.3 performance upgrade
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https://blazerforum.com/forum/engine-internal-9/4-3-performance-upgrade-98434/
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Hess13x
Jun 30, 2019 03:15 PM
Correct, they can only take so much off though without an adjustable valve train.
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