New to EEC-IV tuning

non vehicle specific forum for tuning all other EEC-IV

New to EEC-IV tuning

Unread postby junkiestunts1 » Tue Dec 03, 2019 10:08 am

I have a 92 F-150 with 331 stroker, 30lb injectors, howards cam, 195cc intake port heads, long tube headers. orginal ECU speed density still installed
I am wondering if I need besides the $250 quarterhorse kit from Moates to get going (do i need F3v2 and jaybird?)
I also noticed that when I startup tuner pro rt with the stock ecu file for the 89-94 F-150 that it freaks out with some strange values. example instead of a normal value of 0,1 or 2 for some "features" like transmission control, it had a value of over 200.
I am starting with the following base files.
ICY1.BIN
EFI-SD4X_180409.xdf
more questions to follow i guess.
junkiestunts1
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Joined: Tue Dec 03, 2019 10:01 am
Name: John B
Vehicle Information: 1992 Ford F-150, EEC-IV Was 302. DSS Forged 331 stroker assembly, aftermarket aluminum heads 2.02 and 1.6 valves. Howards Cam 219/219 duration @.050 and .578 lift with 1.7 rocker arms. 30 lb injectors. Canton Girdle, windage tray and 7 quart oil pan.
5 Speed M5R2. QuarterHorse

Re: New to EEC-IV tuning

Unread postby ironmanisanemic » Tue Dec 03, 2019 5:50 pm

you have to match the calibration to the strategy your ECU is using. What you are seeing with the weird values is a strategy missmach. You can use that strategy XDF, just use the matching base tune that is on the download page and upload that to the quarterhorse.

But you only need the quarterhorse for now. Once you get your vehicle dialed in for good, best practice is to burn a F3 chip and install that in place of the quarterhorse. But realistically even though its not recommended by moates, the quarterhorse can be left in place for the long term. Only thing that may happen is if the on board battery dies on the quarterhorse, you will loose your tune, with a f3 chip that wont happen.
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Location: Vancouver WA
Name: Miles
Vehicle Information: 89 Ford Bronco - 393W, Professional Products 190cc heads, Custom Comp Cams hyd roller cam, Edelbrock EFI Mustang intake, 10:1 compression, FRPP LU34 34LB injectors, ProM 80mm Mass Air Meter, 2-1/2" into 3" y pipe, no cat, and hooker aerochamber muffler. U4P0 computer with Quarterhorse and BE, EA. 4R70W


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