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Have a Horizon 190 95' Jetboat with a 351 Redline motor in it. Do i need to remove stuff to change the spark plugs? Thanks

Its hard to say because I have never worked on one. If you have clearance around the exhaust manifold it should be easy. On my Chev 4.3 its very easy, easier than most modern cars.

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88 Four Winns 200 Horizon
4.3 OMC Cobra-4bbl
2002 Walker Bay 10/2012 Suzuki 2.5
2008 Walker Bay 8

1998 Jeep Grand Cherokee 4.0/Selectrac
2007 Jeep Grand Cherokee 5.7 Hemi/Quadradrive II

I think the 351and 302 have essentially the same exhaust manifolds. My '95 190 Horizon with the 5.0 (302 EFI) was a little hard to get at, but I bought a 3/8ths drive spark plug socket with a universal joint as part of the socket. This u joint/socket with an extension worked well. A standard deep socket or a spark plug socket with a separate universal joint may not work. There is usually not enough clearance in the area of the u joint with a separate socket and u joint because of length. As with any spark plug job, a spark plug socket and a tiny bit of anti seize on the new plug 's threads make reduce the chance for problems now and the next time.

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Surface Interval: A scuba diving term for that time between dives to relax and prepare for life's next great adventure.

Current boat: '02 FW 268 Vista
Previous boat: '95 FW 190 Horizon