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Thread: ECU flash
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06-02-2020, 10:00 AM #166000 RPM
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06-02-2020, 10:43 AM #176000 RPM
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It comes down to a couple things.
1: EPA compliance. Its not just the OEMs that don't want you flashing. Look at what happend with the aftermarket diesel tuners a few years ago.
2: OEMs don't want to risk you breaking parts and then having to foot the bill or deny you. And no matter what anyone says the owner usually won't say "well I tuned it beyond its designed power level and it broke so its on me" they say "I spent all this damn money and they won't even warrenty XYZ so they suck" its a lose lose.
I have NEVER had a claim denied by mercury that was there fault. I've even had them replace some stuff that was obviously NOT there fault under customer relations claims. I FSM that a cust filled with water and siezed the pump was the most recent. They specifically said to inform the cust that this IS NOT warrenty work and they wont be covering it again but they sent a FSM and all he paid was labor.
I'm sure other OEMs do similarLast edited by RSWORDS; 06-02-2020 at 12:14 PM.
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InjectorService thanked for this post
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06-02-2020, 11:05 AM #18
Methanol for the WIN! Only nitro will bring you more bang, literally
Hydrostream dreamin
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06-02-2020, 07:35 PM #19Junior Member
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06-16-2020, 03:56 PM #20Junior Member
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I know Simon & Whipple aren’t offering PCM upgrades at the minute but is there anybody else?
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06-16-2020, 07:00 PM #21
Could the flash have something to do with emission engine? Just like cars/trucks "legally" can't flash 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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01-25-2021, 01:43 PM #22Member
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Was the Flash on the 275s the same for Generation 1 and Generation 2 Verado's. I know the oiling changed a little, and possibly different cam profile. But was the tune the same???? I think they made 315 on the dyno when finished. Does anyone know. This is the whipple tune FYI not the Simon Tune.
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01-25-2021, 03:08 PM #23
It's become a dark art... No one is going to tell you anything here, but people know people who...
https://youtu.be/UmzsWxPLIOoWe have invented the world; WE see
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01-25-2021, 04:37 PM #24
I'm hearing you can get an aftermarket ecu tuned, time will tell
21 Intimidator 300x Sold
http://www.youtube.com/watch?v=KBoYUJ58sLE
1/2 21 Skater 300x Sold
http://www.youtube.com/watch?v=tKNFL8b6kWo
30 Activator 850 HP Sold
https://youtu.be/NZgOTNGKzqg
30 Concept Twin 300Rs
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01-26-2021, 03:36 PM #255000 RPM
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I have thought about putting a Holley ECU on some of these like I run on the drag car. I would have unlimited I/O and capability. I would need an engine dyno to start then off to the water, the hardest part when starting from scratch is drive ability, docking at low rpm and fuel econ. Making HP is the easiest part of the whole deal.
TJ @ Baker Engineering
Tuff 24 300xs
Tuff 16 90 Yammie
3.75@199mph with LSX power!!!
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