LS3 in boat

mofjet
Posts: 2
Joined: Mon Oct 08, 2018 6:34 pm

LS3 in boat

Postby mofjet » Tue Oct 23, 2018 6:46 pm

Ok, so I'm a complete beginner with ECU stuff, old motor was a 350 carby, would run on one wire.

I'm putting a stock new LS3 in a jet boat. I have the Elite 2500, loom, and oxy sensors (all still in the box, not ready to wire up yet) and I'm wondering whether I should have a MAF on the engine. The crate engine doesn't have one, does seem to have every other sensor. Easy and relatively cheap to buy, should I have one? Any thoughts?


Cheers, mofjet

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blakebonkofsky
Posts: 272
Joined: Sun Aug 02, 2015 2:58 am

Re: LS3 in boat

Postby blakebonkofsky » Fri Oct 26, 2018 6:41 am

You can run one if you choose, but it is not needed. One of the reasons most people go with aftermarket EFI systems is to get rid of the MAF.

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Drwaffles
Posts: 140
Joined: Sat Jul 28, 2018 11:51 pm

Re: LS3 in boat

Postby Drwaffles » Sat Oct 27, 2018 6:55 pm

MAF is easier to tune and requires less compensations, but you must physically have room. They also struggle a little with very large overlap cams.
Take your pick :)

mofjet
Posts: 2
Joined: Mon Oct 08, 2018 6:34 pm

Re: LS3 in boat

Postby mofjet » Mon Oct 29, 2018 6:05 pm

Thank you both for your comments. I will fit one, see how we go.


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