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350 mag mpi upgrades?


Old 09-05-2017, 03:07 PM
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Join Date: Aug 2006
Location: Statesville, NC
My Boat: 2004 Donzi 28 ZXO
Posts: 331

Originally Posted by dereknkathy View Post
So how much power per engine are you thinking of in the long run? And what cond are your existing exhaust in? Because this is something that can be found used with some patience...
sorry for the late reply. I was hoping low to mid 400hp range would be sufficient. I am told much over 80 mph and ill run out of hull on my boat. only running mid to high 60's now with 300hp per side.
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Old 09-06-2017, 08:17 AM
Join Date: Dec 2010
Posts: 1,593

I think that's a bit optimistic for a goal. On my Sunsation build with 400 hp 383s. It was reliably a high 60s boat with the 6.2s and got it to low to mid 70s.

If I wasn't forced to do a rebuild, I'd say it wasn't worth it. But since they had to be rebuilt it was a bit more fun. Opening up perfectly fine engines I probably wouldn't do.
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