ROI?? Do we do mods on engines for ROI?? He11 no ....GO faster!! If we burn less fuel... just a accidental perk.

Good point, I`m just trying to justify the cost :D

There is no justification for any of this , just pure lunacy . But , we are happy lunatics ! :daz: :picard1: :D

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Starting effortlessly every time I bump the key and being able to adjust my A/F ratio, idle speed, and numerous other things from the drivers seat was worth the coin to me.

I`m with ya but I can still do that just not from the drivers seat and have $7, 000 left over .
Price goes up trying to EFI a 500hp motor vs. a 900hp one

Definitely understand where you're coming from. I went the more elaborate route on mine. I went with better fuel pumps, aeromotive stainless pre-filters with SS elements, and aeromotive post-filters. I actually saved money on the intake manifolds - kept them and machined them myself (they flow a lot better than the edelbrock and holley versions anyway). All the fuel lines and rails are bigger than the Holley stuff. I wanted my system to be as high end as possible, but also wanted to be ready for the next time I have a nervous breakdown and get the upgrade itch for superchargers.

In my case, buying the Holley HP EFI Universal Retrofit kit has a BIG cost savings. I saved around $500 per kit buying that way rather than piecing those components together. The wire harnesses, throttle body, billet pressure regulator, sensors, and ECM alone add up fast.

You can start yor boat from your deck or restaurant table. Lol.

a modern 410 sprint has about 925 hp. Biggest change has been moving the throttle blades up high in the intake runners. I have seen mechanical injection setups modified to use EFI injectors. I think it's hard to beat the old school injection. Sprints have been on the leading front of max power from naturally aspirated 410 ci engines for yrs. The comparison would be cool!!

When can I bring the boat over??