MASS T2 confusion
07-02-02, 01:27 PM
#1
DONT FEED THE NOOBS
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Location: land of slow hondas .... TULSA, OK
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MASS T2 confusion
i have a 89 gxl and an "EXTRA" 88t2 engine. can i run a 89-91 t2 ecu and afm/tps? will i have to worry about fuel problems? i know the 87-88 t2 engines have lower compression. can i just boost higher to compensate? i am aware that inorder for the car to work the OMP must be plugged in and grounded to the frame. i also know i need the 89-91 injectors. i have a "higher" flow intake and 2.5 downpipe straightback. with an fcd what do i do fellas....and ladies(ya never know).????i have the t2 fuel pump also with a/f and boost gauges.. bottom line can i run the 87 t2 with a 89 t2 ecu 
07-02-02, 01:42 PM
#2
I Raise Chickens
its a huge pain. You need to realize that the series 5 uses an electric metering pump. The 87-88 t2 has a mechanical. When the series 5 ecu sees the metering pump has a problem, it goes into fail safe it will barely run. The harness for the 87-88 is different as well, you will have modifiy the harness to work with your dash harness or your instruments, warning lights wont work. Your better off keeping the series 4 harness and ecu and running an Apexi SAFC. The advantages you might gain with a S5 ecu dont outweight the huge pain its going to be getting it to work.
07-02-02, 01:49 PM
#3
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i am aware of the omp metering pump issues. it just needs to be grounded and that solves the problem. i have an 89 gxl so the s5 harness to s5 harness will work. people swap all the time. so what the gay boost gauge wont work:-)
07-02-02, 01:53 PM
#4
I Raise Chickens
Originally posted by gxlbiscuit
i am aware of the omp metering pump issues. it just needs to be grounded and that solves the problem. i have an 89 gxl so the s5 harness to s5 harness will work. people swap all the time. so what the gay boost gauge wont work:-)
i am aware of the omp metering pump issues. it just needs to be grounded and that solves the problem. i have an 89 gxl so the s5 harness to s5 harness will work. people swap all the time. so what the gay boost gauge wont work:-)
No you cant just ground it. Trust me. I have an 89 motor with an 87 front cover /water pump housing and mechanical OMP. The ecu periodicly checks the position of the OMP and that motor is functioning. Its does alot more than you think.
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