imitek

At the moment my system was piggybacked due to the oil injector was running now ive removed the oil injector im runnin premix
So can i just unplug evrything from stock ecu
Also will evrything on the dash still work like speedo oil presure and evrything els
Ive no access to wiring diagram untill another 3 weeks but mabe u can shed some light

EB Turbo

iTrader: (1)

What kind of car is this? you can retain all of the factory dash functions for any RX-7. Some take a little bit more wiring then others.

EB Turbo

imitek

Sorry thort it was only rx's on Here
But yea mys an fd
So in theory i should be able to just simply unplug the stock ecu and should still run Just to test
And wen u say more wiring u mean into m2r ? Can u be specfic on what dials on dash is needed more wiring

Also can the stock ecu be tuned and
How much is a stock ecu worth
Thanks

EB Turbo

iTrader: (1)

The U.S. has had 16 years of RX7. If you uninstall the piggyback the car should run. I cant comment on how well it would run. That is up to what modifications you have.

I am sure there are people out there that can tune Stock FD ECUs. I do not know of any nor have I seem many re flashed stock ECUs. Stock ECUs can be worth anywhere from $50-$200. I can make a PnP adapter for a M2R into a FD RX7. The M2R wold not be my first choice in ECU. the M4/M2R series of ECUs are still very powerful but they are Windows DOS based. More sophisticated ECUs can be had for similar money.

EB Turbo

imitek

Theirs only somthing like 10 wires goin into the m2r
From what i can rember ill have a good look and repost wen i get back to uk thanks

EB Turbo

iTrader: (1)

Its a lot more then 10.

EB Turbo

imitek

hey m8 i no its been a while but just took lump out and their is 19 wires going in and out the m2r

im hopefully going to re wire all of it
any advice on wire gauge to use for injectors crank sensors and coils ?

EB Turbo

iTrader: (1)

It depends on what grade of wire, Length and, current draw of the circuit. Using quality Mil spec 22, 44, or 55 your wire gauge will vary. Typically with good quality Mil-spec wire you will use 22awg for sensors, 20awg for short length outputs and 18awg for common no load groupings, power/ground splicing circuits and long length circuits. If you are using automotive grade wire you may want to shift up one size.

There is a lot of engineering that goes into wiring. How circuits are run, splicing, shielding, combating noise and interference, layout, proper awg size, service points, strain relief, the list goes on...

EB Turbo

imitek

Hey its been a while ive been trying to figure out how the ecus been wired up i got stuck
on the wiring diagram

y connections are*pin 33,34,35, aux 1, aux 2, aux 3,*pin 33 is connected to leading coil*pin 34 is connected to trailing front coil ( brown wire )pin 35 is connected to trailing rear coil (brown/black)my problem is on the setup its showing me aux1 e.g. pin 33 is thermo fan ?i did mess with it a few years ago i may have changed it from coil but i cant seem to find coil on the selection*also aux 2 and aux 3 is showing ignition*
is there a way to set it to coil ?

EB Turbo

iTrader: (1)

I dont know if I am understanding this correctly. You cannot reassign the function of a pin. If it is pinned incorrectly you will have to extract the pin and relocate it to the correct position.

EB Turbo

imitek

yea sorry u got it i have moved it and tried to assign it but cant and when i put the pin back to its oridginal location its showing thermo fan (still runs fine as it was ) and no option to change to coil unless im missing somthing
im in input output functions whats even more strange is it activates the fan

imitek

imitek

i got the pins mixed up some one has corrected me on motec forum i was confuesd with pin 13 thinking it was pin 33 makes sence now
so only thing left now is to hook up the boost solenoid
i cant find anywhere of current draw of boost solenoid my aux 4 is only 0.6amp is that enough
or shell i switch to aux 1 what is 4 amp
i no i need a 12v feed to the solenoid to power it up from relay
i have not connected anything yet ive just layed it all out ready

EB Turbo

iTrader: (1)

Yes, you need to supply the solenoid with 12v switched.

EB Turbo