EEC-IV with 331

farny21 · 03-20-2010

ok i finaly got it ready to go in and was wondering if i need to chip the car or get a megasquirt. its a 331 with 289 hipo heads, x303cam, gt-40 intake 30lb injectors with a 255lph pump. will the car run fine with the stock computer? its been a long project and just want to fire it up!!! i heard the computers have a hard time keeping up when you change things so any help would be appreciated.

mustangfury86 · 03-20-2010

i would get the quarter horse alot cheaper and easy to install

farny21 · 03-20-2010

Quote:

Originally Posted by mustangfury86

i would get the quarter horse alot cheaper and easy to install

so stock wont work?

hotwheels · 03-21-2010

You can run a stock computer with that set up and you will even feel the power in it.......as long as your maf matches your injector size, you will be good to go.

farny21 · 03-21-2010

Quote:

Originally Posted by hotwheels

You can run a stock computer with that set up and you will even feel the power in it.......as long as your maf matches your injector size, you will be good to go.

thanks, its all matched up with 30lb c&l tube, but will have to watch my air fuel ratio

armyed · 03-22-2010

You can use the stock computer. You will probably get the surging idle and that's a pretty big cam on the stock computer but it will run and drive. Just be careful for stalling. May not be the best match but it will work. Now for more power a chip would help get everything out of your combo and would also take care of the idle issues and just make it run smoother. But you should be good to go just to get things started.

03-20-2010	#1 (permalink)
farny21 Insane Join Date: Oct 2008 Location: big rapids, michigan Posts: 44 iTrader: (0) Friends: (2) Last Online: 10-26-2010 10:23 PM Time Spent Online: 11 Hours 46 Minutes 21 Seconds My Album's: farny21's album Thanks: 0 Thanked 0 Times in 0 Posts	EEC-IV with 331 ok i finaly got it ready to go in and was wondering if i need to chip the car or get a megasquirt. its a 331 with 289 hipo heads, x303cam, gt-40 intake 30lb injectors with a 255lph pump. will the car run fine with the stock computer? its been a long project and just want to fire it up!!! i heard the computers have a hard time keeping up when you change things so any help would be appreciated. __________________ 88 5.0 hatchback, gt-40p exploder motor, 24lb injectors, 70mm throttle body, 76mm mass air, 3.73 gears, eaton posi, moser 31 spline axles, scat 331 in the making!!

03-20-2010	#2 (permalink)
mustangfury86 Junior Member Real Name: Justin Join Date: Mar 2007 Location: shreveport , la Posts: 496 iTrader: (0) Friends: (2) Last Online: 02-26-2012 09:42 PM Time Spent Online: 1 Day 1 Hour 27 Minutes 47 Seconds My Album's: mustangfury86's album My Garage: mustangfury86's Garage Thanks: 0 Thanked 2 Times in 2 Posts	Re: EEC-IV with 331 i would get the quarter horse alot cheaper and easy to install

03-21-2010	#4 (permalink)
hotwheels Car Enthusiast Real Name: Doug Join Date: Aug 2006 Location: Cheyenne, Wyoming Posts: 21,597 Twitter ID: insanemustangs iTrader: (0) Friends: (418) Last Online: 05-14-2024 08:23 AM Time Spent Online: 4 Weeks 13 Hours 40 Minutes 4 Seconds My Album's: hotwheels's album My Garage: hotwheels's Garage Thanks: 4 Thanked 32 Times in 31 Posts	Re: EEC-IV with 331 You can run a stock computer with that set up and you will even feel the power in it.......as long as your maf matches your injector size, you will be good to go. __________________ Webmaster in training and owner of a mini Jay Leno Poorman's car collection

03-22-2010	#6 (permalink)
armyed Stroked and Blown Real Name: Eddy Join Date: Dec 2006 Location: Atlanta Posts: 694 iTrader: (0) Friends: (9) Space Invaders Champion! Archery 2000 Champion! Altex III Champion! Last Online: 03-06-2015 11:48 PM Time Spent Online: 5 Days 8 Hours 10 Minutes 49 Seconds My Album's: armyed's album My Garage: armyed's Garage Thanks: 0 Thanked 1 Time in 1 Post	Re: EEC-IV with 331 You can use the stock computer. You will probably get the surging idle and that's a pretty big cam on the stock computer but it will run and drive. Just be careful for stalling. May not be the best match but it will work. Now for more power a chip would help get everything out of your combo and would also take care of the idle issues and just make it run smoother. But you should be good to go just to get things started. __________________ 1995 Mustang, Vortech SQ at 15#, Holley Systemax Intake, Edelbrock Vic Jr. Heads, Tremec Tranny Etc Etc Etc. Website: http://er637383.gotstang.com

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