View Full Version : swapping green tops to brown
84svounoh
10-30-2013, 03:53 PM
So I would like to swap injectors and get the pe ecm. are the pig tails for the green tops the same as the brown?
MikeFleming
10-30-2013, 04:02 PM
Yes, electrically and physical-size wise, they are identical. Only the flow amount will change.
Also discocnnect the knock sensor (if you still have the in-line intake) and the Boost Control Module when installing the PE. The 84/85 BCM/BCS combination does not work with the PE (and later) EECs.c Then you will need to install a manual boost control system, or a later solenoid that can be driver directly by the PE output.
84svounoh
10-30-2013, 04:04 PM
Thank you but I am having issues finding the PE do you know where I can get one? I have searched ebay up and down lol
stockman1
10-30-2013, 04:32 PM
Thank you but I am having issues finding the PE do you know where I can get one? I have searched ebay up and down lolwhen referring to PE what do you mean?
MikeFleming
10-30-2013, 04:33 PM
Started a Wanted thread in the Market Place forum.
84svounoh
10-30-2013, 04:39 PM
when referring to PE what do you mean?
The PE series ecm I think it was the 85 and 86 svo ecm but I could be wrong.
svopony
10-30-2013, 05:02 PM
why not go with an la3 , you just need to do a couple of repinnings also available on the site
84svounoh
10-30-2013, 06:05 PM
Well is there an advantage of the la3 over the pe?
Ford Builder
10-31-2013, 03:00 AM
Whats that .
MikeFleming
10-31-2013, 05:43 AM
The "PE" EEC was specific to the square-intake 85.5/86 SVO and came on no otehr vehicle. The programming (timing tables) are the msot aggressive available for the 4-cyl turbo EFI engine. It uses a 7.5Mhz processor and has 16K of programming data space.
The LA2/3 are from the 87/88 manual gearbix TurboCoupe. IT was a heavier car and has less aggressive timing tables. The LA series integrated cooling fan control, boost contorl, ABD/PRC communications and a host of other outputs into the EEC. It uses a 15Mhz processor nad has 32KB ROM programming space.
So the PE is a more direct fit while the LA* have more "features", typical computer industry "bloat".
stockman1
10-31-2013, 09:58 AM
Thank again I was curios about the nomenclature
MikeFleming
10-31-2013, 10:20 AM
TE, PJ, PE, LA2, LA3, etc. refer to EEC "calibrations" for the assorted ECU's used in various Ford cars. Different years, calibrations, CA vs 49-state vs ROW (rest of world) versions, engine/gearbox combos, etc. determine which calibration (or version of EEC) it came with.
PE was the last SVO calibration; LA2 was for the 87 TC manual, LA3 88 TC manual, LB2 87 TC auto, LB3 88 TC auto, etc.
The selection of original equip calibrations for the SVO are very limited. There was only a few calibrations, dependent on year. There were no California vs 49-state vs ROW applications - just SVO.
The nomenclature we refer to are markings on the EEC box itself indicating the calibration. I can post pics later of examples.
Most of the above EECs can be modified using an add-on chip and appropriate software. They're no where near as advanced as OBD stuff though.
84svounoh
10-31-2013, 04:11 PM
Ok so was the LA3 tuned for the heavier car making my svo's throttle response better than if I swapped in a PE? Also in the future I am planning for a boport 1.9 cam and maybe a hybrid turbo. Would you recommend the moates quarterhorse and the binary editor or the pimp standalone system I am new to tuning but I feel that I can do it.
84svounoh
10-31-2013, 04:18 PM
I was thinking the pimp system just because it is an all in one package and I like the megasquirt style tuning.
Ford Builder
11-02-2013, 05:18 AM
I now have a LA3 in place now , I have chance to get a PE , if I have to re pin the master plug is there some place where I can get the schematic for doing so?
svopony
11-02-2013, 08:08 AM
http://www.svocop.com/forum/showthread.php?976-La-series-ECUs&highlight=repinning
Bar
Ford Builder
11-02-2013, 08:49 AM
Thanks very much! Svo Pony
Powered by vBulletin® Version 4.2.5 Copyright © 2026 vBulletin Solutions Inc. All rights reserved.