ECM Mods

Old 11-20-2006, 09:05 PM
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Default ECM Mods

Hi I was looking at a 242 LS formula with a 496 Mag 375. Just wondering who does ecm mods?
If i want to mod it do i have to buy a new one?
IS the factory reflashable?
Who Does it?
Can i do it with a lap top program?
Thanks for any and all help in this
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Old 11-20-2006, 09:09 PM
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Default Re: ECM Mods

Call Marc at Procision Marine in LA.
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Old 11-21-2006, 12:22 AM
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Default Re: ECM Mods

Thats precision Marine 504-469-7463
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Old 11-21-2006, 12:38 AM
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Default Re: ECM Mods

What year?The new 496's with the 555efi is hard to program.Whipple is the only one.Most are changing them over to Mefi4

If its mefi 1-4
It can be remaped, Just depends on what you do to it, if it really needs programing.

I also recomend Mark at Precision Marine ,He will tell ya if it will bs


The Only Time You Have To Much Ammo Is When Your Swimming Or On Fire.
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Old 11-21-2006, 07:15 AM
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Default Re: ECM Mods

If you are going to change cam and do head work then I would change over to a Mefi 4B we do it all the time. You also need to change the sencors.
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