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  1. Kareo

    Alignment and coupler question 1979 Mercruiser 260

    Member I have a 1979 Mercruiser 260. The engine was replaced about 10 years ago (less than 50 hours on it now) . I pulled the outdrive to replace the shift cable, found water in the bellows and replaced the u joints, bellows and gimble bearing. Only took me like 3 days of work. When I pulled...
  2. Kareo

    Oil Pressure Switch Necessary with the Sniper EFI?

    I am almost done with the process of installing a Sniper EFI on my 1979 Mercruiser 260. It's on and working, I am just finishing up wiring the fuel pump. Most posts and videos I've seen say that you need to wire in an oil pressure switch to be USCG compliant. The actual regulation reads...
  3. Kareo

    Best upgraded ignition system for use with Sniper EFI on a 1979 Mercruiser 260

    I am working on converting my 1979 Mercruiser 260 to the Sniper EFI. I'd also like to upgrade the ignition system from the original points to something better. I'd love to do the Hyperspark and have the sniper control everything, but I'm not sure that is coast guard approved. Does anyone know...
  4. Kareo

    Fuel System questions for Mercruiser 260 EFI Conversion

    I have a 1979 Mercruiser 260 (Chevy 350/5.7) engine that I am converting from the old Rochester quadrajet to the Holley Sniper EFI system. I'm doing the Rochester version that sits on the same intake, which also does not have a fuel pressure regulator built in. I am struggling to figure out the...
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