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Discussing ECU in the 5.0 Mustangs Forum. 1989 with sct chip stock ecu, 5 speed. the ecu is acting up, does anyone ... Modded Mustangs is the premier Ford Mustang Forum on the internet. We discuss all aspects of the Ford Mustang on the forum. Registered Users do not see the above ads. Please Register - It's Free! |
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November 5th, 2008, 11:16 AM
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#1 |
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Regular
Join Date: Nov 2006
Location: new jersey
Posts: 153
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ECU
1989 with sct chip stock ecu, 5 speed. the ecu is acting up, does anyone know if there is an "upgrade" for the stock ecu (A9L, A9P)? If i get another ecu can i just put the chip in and go?
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490whp/432wtq, V2 13lbs. boost, 3.33 pulley |
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November 5th, 2008, 11:20 AM
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#2 |
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MM Fanatic
Join Date: May 2007
Location: Bloomington, IL
Posts: 4,331
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autozone sells replacement A9L computers. The cobra computer is about the only upgrade but it has just slightly improved fuel and timing curves, the SCT chip should still be better.
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88 GT CHI headed 351w 10.8 @ 125 - still figuring it out. 03 Cobra 2.3 whipple 10.7 @ 129 - sold it 04 Mach 1 12.7 @ 109 mostly stock - sold it 89 LX procharged 302 515 hp 497 ftlbs 10.7 @130 mph - sold it 
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November 5th, 2008, 11:26 AM
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#3 |
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Regular
Join Date: Nov 2006
Location: new jersey
Posts: 153
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my car is heavily modified, with a custom tune. just looking for oem ecu, didnt know what the difference was in the numbers. Why different types?
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490whp/432wtq, V2 13lbs. boost, 3.33 pulley |
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November 5th, 2008, 11:29 AM
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#4 | |
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Hardcore Enthusiast
95 opalfrost gt
Join Date: Nov 2006
Location: Connecticut
Posts: 1,175
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November 5th, 2008, 11:36 AM
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#5 |
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Regular
 Join Date: Oct 2008
Posts: 62
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^ +1
How exactly is the ECU acting up? |
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November 5th, 2008, 02:39 PM
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#6 |
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Hardcore Enthusiast
91 LX
13.7@101
Join Date: Oct 2008
Location: Norwalk OH
Posts: 1,407
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??????????? haha
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November 5th, 2008, 03:43 PM
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#7 |
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Regular
Join Date: Nov 2006
Location: new jersey
Posts: 153
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the tuner said that it was taking a bit to "react".
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490whp/432wtq, V2 13lbs. boost, 3.33 pulley |
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