Converting to Holley Sniper EFI

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10-01-2019, 09:11 AM

bstasch

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Converting to Holley Sniper EFI

Does anyone have experience with converting carbureted 500 HP's to teh Holley Marine 4150 Sniper EFI? And where do you install the o2 sensor?

10-01-2019, 09:17 AM

Texascuda

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10-01-2019, 10:33 AM

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I made spacers for mine

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