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GT 40 ECM

Printed From: CorrectCraftFan.com
Category: General Correct Craft Discussion
Forum Name: General Discussion
Forum Discription: Anything Correct Craft
URL: http://www.CorrectCraftFan.com/forum/forum_posts.asp?TID=46769
Printed Date: March-10-2025 at 6:33am


Topic: GT 40 ECM
Posted By: workky
Subject: GT 40 ECM
Date Posted: August-31-2018 at 11:44pm
Is there any other option to replacing the computer than buying used or new? Cant tou send it off somewhere and have them rebuilt it



Replies:
Posted By: Gary S
Date Posted: September-01-2018 at 12:45am
So far it seems hit or miss on repair. There are no new ones. https://www.planetnautique.com/vb5/forum/nautique-topics/maintenance-technical-discussion/510361-hope-for-gt40-efi-ecu" rel="nofollow - Check out this thread on PN it's pretty much up to date. Particularly check out page 9,a poster there said he paid 500 to have his repaired,still did not work. I took a C1A1 from a early 90's Ford Mustang,one of the guy's on PN burned my Moats chip with the early 290 tune and it seems to run fine,just like the others there have found out. I have about 180-190 invested. I may have the later 300 tune burned on a chip sometime just so I have it. It addressed some rolling idle issues that PCM had issues with.

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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport


Posted By: 63 Skier
Date Posted: September-01-2018 at 11:18am
The PN thread is a really nice piece of work, great resource for those of us planning to run GT-40's off into the future. Generous of the guy doing the work to not be trying to make a business out of it.

I've yet to read about repairs to an ECM that reliably worked. A friend of mine bought a used ECM off Ebay and it did work perfectly, so if you can find a good used one that's the easiest solution, but they tend to be expensive and I'd want to see it run before paying for it.

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'63 American Skier - '98 Sport Nautique


Posted By: gt40KS
Date Posted: September-02-2018 at 9:04pm
Speaking of the 300 tune ... I've bought the donor computer - a D1L1 as there weren't any of the C1A1 available and supposedly the "D's" are also compatible. I was planning on getting the chip and programmer when I located a 300 tune. Searching the various threads I haven't been able to find it posted anywhere. Anyone come across the 300?

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JCCI
1995 Ski Nautique GT40


Posted By: Gary S
Date Posted: September-02-2018 at 10:07pm
http://www.correctcraftfan.com/forum/member_profile.asp?PF=15535" rel="nofollow - Tom Franscioni is your guy Joe. Has not been on here since June but is on Planet Nautique regularly. https://www.planetnautique.com/vb5/forum/nautique-topics/maintenance-technical-discussion/510361-hope-for-gt40-efi-ecu/page8" rel="nofollow - His post here number 109 says he'll send it to you if you pm him. If your not a member there I'll pm him if you want.

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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport


Posted By: KENO
Date Posted: September-07-2018 at 8:26pm
Originally posted by 63 Skier 63 Skier wrote:

The PN thread is a really nice piece of work, great resource for those of us planning to run GT-40's off into the future. Generous of the guy doing the work to not be trying to make a business out of it.
.


I suppose something like this was bound to happen in this free enterprise world of ours

Tom may not be trying to make any money but somebody certainly is. Saw this on PN

https://www.nautiqueparts.com/product/gt-40-engine-control-module-ecm/" rel="nofollow - new from Nautique Parts


Posted By: Gary S
Date Posted: September-07-2018 at 9:15pm
Interesting,wonder who is doing the work?

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http://www.correctcraftfan.com/diaries/details.asp?ID=1711&sort=&pagenum=1&yrstart=1966&yrend=1970" rel="nofollow - 69 Mustang HM SS
95 Nautique Super Sport


Posted By: DVskier
Date Posted: September-07-2018 at 10:40pm
Some kids making them to fill a need. Future entrepreneurs!



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