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The engine gave me some minor trouble the last time I had boat out, after starting and running cold it maxed out about 33 mph and was running rough, like it was not firing on all cylinders or had a clogged fuel line. A little while later it was running fine. I assumed it was due to the engine not being fully warmed up, but afterwards that didn't make sense because I let it warm up on boat launch first. I have picture of engine I will try to post after I read how. Thanks guys for your feedback.
I want to do engine work for fun, so I was thinking on how to upgrade what I have without complete rebuild. On summit racing I found the intake manifolds and on Holley I found the Fuel injection system. I was thinking about increasing horsepower to the mid 300's with increased airflow and fuel. The marine engine vs non-marine scares me a little however and I can't find any docs to say this is a bad or good thing to do with the fuel system. Fuel injection is much safer, but what marine pieces do I need etc?
Sorry for all of the questions, this site has been a wonderful reference for all of my questions.
I want to do engine work for fun, so I was thinking on how to upgrade what I have without complete rebuild. On summit racing I found the intake manifolds and on Holley I found the Fuel injection system. I was thinking about increasing horsepower to the mid 300's with increased airflow and fuel. The marine engine vs non-marine scares me a little however and I can't find any docs to say this is a bad or good thing to do with the fuel system. Fuel injection is much safer, but what marine pieces do I need etc?
Sorry for all of the questions, this site has been a wonderful reference for all of my questions.