Quote Originally Posted by Larry Arizona View Post
You will absolutely need more fuel and timing to feed 33 more cubic inches and make 75-100 more HP.


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I’m just not familiar with the ECM on these, if it were a car I would be in my element. I think I’m going to call Indmar and ask. I just don’t want to build the engine and then not be able to get it to run correctly and give it the fuel and timing curves it needs.


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