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Old Book
by Morganmike - 21/09/26 07:54 PM
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Forums39
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Jun 14th, 2026
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Joined: May 2015
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Talk Morgan Enthusiast
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When you debaffled the right pipe, did you accidentally add some other blockage ie is there a noise difference too? eg did the catalytic converter break and add a restriction?
M3W5sp 2015, MSCC, MTWC, Oxon UK
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Joined: Jul 2013
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Talk Morgan Addict
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Do you have Protune and if so are there any ECU fault codes?
A long shot would be one side has hit the mixture adaptive tolerance limit and is running the right hand cylinder lean/hot.
You could try disconnecting the battery for at least 20 mins which should put the ECU back to it's base map. However if it has gone out of tolerance once it may well do so again.
Red Leader 
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Learner Plates Off!
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OP
Learner Plates Off!
Joined: Oct 2007
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Don't have protune, will it run on apple or just windows?
Pipes were drilled out a couple of years ago.
No issues with catalytic convertors
Did the battery disconnect no change.
Lance
1981 Plus 8
2016 Three Wheeler
2022 Corvette Stingray Convertible z51
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Joined: May 2011
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Talk Morgan Enthusiast
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Protune only runs on Windows
2021 M3W
2013 M3W - Sold
1971 4/4 2 Seater
1934 Sports
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Joined: Jul 2013
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If you only have Apple then maybe consider buying a cheap Windows PC just for Protune. It'll run on anything newer than WIndows 7 so something cheap off eBay should suffice. Download the manual and software from https://www.sscycle.com/racing/support.
Red Leader
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If you only have Apple then maybe consider buying a cheap Windows PC just for Protune. It'll run on anything newer than WIndows 7 so something cheap off eBay should suffice. Download the manual and software from https://www.sscycle.com/racing/support.I did exactly that.
2019 M3W Sold and is now in Las Vegas enjoying the showgirls :-)
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Joined: Dec 2020
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L - Learner Plates On
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L - Learner Plates On
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Another option, although I haven’t tried specifically with protune, is to buy Parallels for mac. It allows one to run Windows on a mac. It works great for various other windows-only software.
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Another option, although I haven’t tried specifically with protune, is to buy Parallels for mac. It allows one to run Windows on a mac. It works great for various other windows-only software. I dont think this will work as the Protune software will be looking for a Windows method to address USB ports which wont be available on a mac. I very much doubt a mac emulation will support this. I have played around with mac windows emulations for other purposes so have experience in this area. Go windows cheap and cheerful as mentioned above.
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Joined: Dec 2020
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L - Learner Plates On
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L - Learner Plates On
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Parallels does allow usb for Windows. It’s a very polished piece of software. There are cases where you’d have to specify in parallels to connect using windows upon connecting the cable to the Mac.
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Talk Morgan Regular
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I run Protune on an old 11" MacAir with Windows Parallels and Windows 10.
Works fine, other than the annoyance of the typical Windows slow boot up.
Steve
Late 2012 M3W
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