Computer upgrade

93SVTstang · 03-26-2001, 09:57 PM

I am looking to upgrade the computer on my 93 Cobra. Do they make aftermarket ones or do I just need to pull one out of a GT or LX? If there is an aftermarket one, where do I find it? Thanks

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93 Cobra: MAC fenderwell mount cold air, BBK underdrive pulleys, 8mm plug wires, shorty headers, off road h-pipe, Borla Cat-back, centerforce clutch, hurst shifter, 3.55s, and 12* of timing

84_GT350 · 03-27-2001, 03:58 AM

You can pull one out of just about any car, even though there isn't a whole lot of power to be had in a EEC swap. Make sure the car you use as a donor is comparably equipped to yours (i.e. A/C, PS, manual trans., etc.). For some reason people try to find the A9L computers (can't remember what year those were...maybe '90 or '91), but no computer will act the same in two different cars.

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1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

Rick 91GT · 03-27-2001, 07:49 AM

Well the reason to swap out a 93 Cobra computer is it takes 7 seconds to go in to open loop and it pulls a ton of timing out on the top end and really hurts performance at the track. Some people find the AL9 works great, anf you coukld thenm add one of the aftermarket tuners like a PMS or EEC-TUNER to fine tune all the aspects. If your planning on major mods in the future you may want to look at a Aftermarket computer such as a SpeedBrain. We had good sucess with the Speedbrain on my dads 93 Cobra but it is a learning experience and takes some knowledge about the EEC system or you could create major problems.

84 is right make sure you get a computer that came out of a car of the same transmission, A/C, etc..

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Check Out My Site 91GT,Holley SysteMAX II Kit-Heads 2.02" x 1.60" port matched to a 1262,Anderson N-61,24#,76mm C&L,Full MAC exhaust 1-5/8" Long tubes,2-1/2" O.R H-Pipe,2 1/2" cat back, No A/C or PS or emissions, 12" K&N Filter,RNH PERFORMANCE Ram Air,Ron Davis Radiator,Full Suspension,S&W 8pt "X" brace,JAZ seats,3:73's,Welds..etc,4:30's and 31 splines coming very soon!

93SVTstang · 03-27-2001, 05:11 PM

Thanks a bunch for the info. One more thing, what exactly do you mean by open loop??? Thanks again

03-26-2001, 09:57 PM	#1
93SVTstang Registered Member Join Date: Dec 2000 Location: Metairie, LA, United States Posts: 80	Computer upgrade I am looking to upgrade the computer on my 93 Cobra. Do they make aftermarket ones or do I just need to pull one out of a GT or LX? If there is an aftermarket one, where do I find it? Thanks ------------------ 93 Cobra: MAC fenderwell mount cold air, BBK underdrive pulleys, 8mm plug wires, shorty headers, off road h-pipe, Borla Cat-back, centerforce clutch, hurst shifter, 3.55s, and 12* of timing

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03-27-2001, 03:58 AM	#2
84_GT350 Registered Member Join Date: Apr 1999 Location: Overland Park, KS, USA Posts: 1,631	You can pull one out of just about any car, even though there isn't a whole lot of power to be had in a EEC swap. Make sure the car you use as a donor is comparably equipped to yours (i.e. A/C, PS, manual trans., etc.). For some reason people try to find the A9L computers (can't remember what year those were...maybe '90 or '91), but no computer will act the same in two different cars. ------------------ 1984 1/2 GT350 (#842 Hatchback w/ T-tops), 302HO, Comp cams Xtreme Energy cam, Carter 625cfm carb, Weiand Stealth intake, MSD distributor, MSD coil, FMS 9mm wires, 1 5/8" MAC unequal shorties, 2 1/2" MAC Prochamber H-pipe, Flowmaster 2 chambers, KYBs, 16"x8" 4 lug Cobra Rs, Falken 245/45ZR16s

03-27-2001, 07:49 AM	#3
Rick 91GT Procharged! Join Date: May 1999 Location: Hanover, PA Posts: 1,539	Well the reason to swap out a 93 Cobra computer is it takes 7 seconds to go in to open loop and it pulls a ton of timing out on the top end and really hurts performance at the track. Some people find the AL9 works great, anf you coukld thenm add one of the aftermarket tuners like a PMS or EEC-TUNER to fine tune all the aspects. If your planning on major mods in the future you may want to look at a Aftermarket computer such as a SpeedBrain. We had good sucess with the Speedbrain on my dads 93 Cobra but it is a learning experience and takes some knowledge about the EEC system or you could create major problems. 84 is right make sure you get a computer that came out of a car of the same transmission, A/C, etc.. ------------------ Check Out My Site 91GT,Holley SysteMAX II Kit-Heads 2.02" x 1.60" port matched to a 1262,Anderson N-61,24#,76mm C&L,Full MAC exhaust 1-5/8" Long tubes,2-1/2" O.R H-Pipe,2 1/2" cat back, No A/C or PS or emissions, 12" K&N Filter,RNH PERFORMANCE Ram Air,Ron Davis Radiator,Full Suspension,S&W 8pt "X" brace,JAZ seats,3:73's,Welds..etc,4:30's and 31 splines coming very soon!

03-27-2001, 05:11 PM	#4
93SVTstang Registered Member Join Date: Dec 2000 Location: Metairie, LA, United States Posts: 80	Thanks a bunch for the info. One more thing, what exactly do you mean by open loop??? Thanks again