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Ef 5.0 eecv 4deg into a 1973 mercury comet in the uk. help ! 

 

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 Post subject: Ef 5.0 eecv 4deg into a 1973 mercury comet in the uk. help !
Posted: Wed Mar 23, 2022 8:40 pm 
Fordmods Newbie
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Age: 44

Posts: 2

Joined: 22nd Mar 2022

Ride: 1973 mercury comet

Location: Lancashire
Oustide Australia

Hi every one im new to this.
Im in the uk and have put a fairmont ef 5.0 efi with the 4deg ecu into a mercury comet.
I am only running the engine ecu and have fitted a aod transmission from a american lincoln so have cut the original trans ecu and a/c and body moduel out off the loom .. first problem was the smart lock / mobiliser so i purchased a stage 2 j3 chip from ti performance.
The j3 arrived and the car started straight up it runs good but wont rev past around 3500rpm only way i can describe it is like it has a rev limiter at 3500rpm.
Im pretty stuck with this ..
What i want to know is .. is what i have done possible to work with out the old trans ecu and cut the ecu wiring down to a minimal .. any help will be very much appreciated thanks.
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 Post subject: Re: Ef 5.0 eecv 4deg into a 1973 mercury comet in the uk. help !
Posted: Mon Apr 11, 2022 1:24 pm 
EFI Guru
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Age: 59

Posts: 4359

Joined: 5th Nov 2004

Gallery: 28 images

Ride: 351 Vogue,XH 5.0,'17 5.0 Stang

Location: Perth
WA, Australia

Could possibly be reverse gear torque truncation. Do you have VSS to the EEC?
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