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  • Autronic on a 351 cleveland?

    Hi!

    I have a -73 Mustang Mach1 with a 351 cleveland 4V engine. This vinter I will rebuild the engine and stroke it to 393 cui , roller cam e t c . Im hoping of 450+hp.
    Im really intrested in trying fuel injection for better driveability and perhaps better low end power.
    Can I mount autronic sm4 on this 40 year old motor? What do i need besides the sm4 unit?
    Ford Mustang Mach1 351 c 4V q-code 1973

  • #2
    Setting up an SM4 to run a 351 Cleveland is very simple.
    The easiest solution for you is to run a twin Hall Effect distributor,
    this will take care of both your crankshaft and camshaft positions.
    You will obviously need to fit 8 fuel injectors to the manifold runners, unless you wanted to run a four barrell throttle body assembally with 4 injectors fitted.
    These types of throttle bodies can be sourced from EFI TECHNOLOGIES,here in Australia.
    There are probably many other Brand name equivelants on the market also.
    However i would strongly recommend fitting the 8 injectors to the manifold and running sequential injection.
    You can also purchase a four barrell throttle body without fuel injectors to take care of the engines air induction, or fit a large single blade throttle body using an adaptor.
    What ever air entry device you use, it will require a throttle position sensor.
    The SM4 has an internal MAP sensor, so that is taken care of.
    The SM4 is supplied with both ECT and IAT sensors also.
    The only extra sensor you will require is the TPS.
    You could also fit a 4 tooth chopper wheel to the balancer and run a Honeywell hall effect at the crank and just use the Sync signal from the distributor.
    At the end of the day it depends on what setup you wish to use.
    Do you wish to run a single ignition coil or 8 individual coils or multi coil packs.
    You will require at least 1 ignition module,single coil,
    4 double output ignition modules for multi coil setup or
    8 single output ignition modules for multi coil setup or
    A CDI unit that can run a single coil or 8 coils.
    The Autronic CDI 500R is my favourite CDI unit this will run 8 coils in wasted spark format.
    I hope i have given enough information for you.
    I tried to cover all the bases.
    Last edited by supercharged88; August 10th, 2012, 05:20 PM.

    Comment


    • #3
      Originally posted by supercharged88 View Post
      Setting up an SM4 to run a 351 Cleveland is very simple.
      The easiest solution for you is to run a twin Hall Effect distributor,
      this will take care of both your crankshaft and camshaft positions.
      You will obviously need to fit 8 fuel injectors to the manifold runners, unless you wanted to run a four barrell throttle body assembally with 4 injectors fitted.
      These types of throttle bodies can be sourced from EFI TECHNOLOGIES,here in Australia.
      There are probably many other Brand name equivelants on the market also.
      However i would strongly recommend fitting the 8 injectors to the manifold and running sequential injection.
      You can also purchase a four barrell throttle body without fuel injectors to take care of the engines air induction, or fit a large single blade throttle body using an adaptor.
      What ever air entry device you use, it will require a throttle position sensor.
      The SM4 has an internal MAP sensor, so that is taken care of.
      The SM4 is supplied with both ECT and IAT sensors also.
      The only extra sensor you will require is the TPS.
      You could also fit a 4 tooth chopper wheel to the balancer and run a Honeywell hall effect at the crank and just use the Sync signal from the distributor.
      At the end of the day it depends on what setup you wish to use.
      Do you wish to run a single ignition coil or 8 individual coils or multi coil packs.
      You will require at least 1 ignition module,single coil,
      4 double output ignition modules for multi coil setup or
      8 single output ignition modules for multi coil setup or
      A CDI unit that can run a single coil or 8 coils.
      The Autronic CDI 500R is my favourite CDI unit this will run 8 coils in wasted spark format.
      I hope i have given enough information for you.
      I tried to cover all the bases.
      THANK YOU SO MUCH!
      Im so glad there is a way for me to "go Autronic" . I will now read and learn from your answer and , for sure, get back with loads of questions (hope thats ok) . Cheers from up north!
      Ford Mustang Mach1 351 c 4V q-code 1973

      Comment

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