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Thread: EFI. Tuner chip Magnum tuning
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04-20-2019, 04:41 PM #1New Member
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EFI. Tuner chip Magnum tuning
I have a 1987 merc laser XRi 220 efi. 2.4
i jus picked this up on a boat I purchased has land&Sea heads and nose cone with five blade maxis 23p. Prop
i see Magnum tuning makes a Magnum Dyno-boost boat performance chip for this and other model merc engines. Has anyone tried these Before and is it worth messing with or leave it alone?????
thanks
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04-20-2019, 05:33 PM #2
What are their claims, but sound to good to be true? Never heard of them... got any links to them?
Checkmate 2002 Convincor 270 496 MAG-HO
2003 Cougar 22MTR w/300xs SOLD
90 21Skater w/300xs - sold
98 STV Euroski w/280 - sold
2006 Trailblazer SS 6.0l 395hp
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04-25-2019, 04:37 AM #3
They are a scam, go with a real tuner like simon performance. just go on amazon and look at the reviews.
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