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Dyno Tested: Factory LS 90mm Drive-By-Wire Throttle Body vs Holley EFI 105mm

By: Holley | 05/20/2021 < Back to Motor Life Home

If you have a boosted or NA LS engine, that factory 90mm throttle body might be an unwanted restriction to your intake. We put the factory 90mm drive-by-wire throttle body to the test against a Holley EFI 105mm throttle body on the engine dyno to see just how much power the bigger unit would add

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