351 swap

Discussion in 'Technical' started by warboy, Sep 13, 2016.

  1. warboy

    warboy Member

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    so i decided since i already have a very clean 351w sitting in my 4-door maverick parts car, im just gonna drop it into my 72 grabber instead of a 302. i intend to keep my manual steering and im putting disk brakes (do i need the brake booster for front discs or can i just swap the proportioning valves??). i want headers in my car too with my exhaust exiting before the rear tires. i just have a few questions

    - do i need the brake booster for front disk brakes
    - can i just wire the 351 using the 250i6 wiring harness
    - can anyone recommend headers that dont need any mods to fit
    - should i install a floor shifter (maybe a quarter stick hurst shifter)

    any more info on this would be appreciated
     
  2. William623

    William623 Member Supporting Member

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    You do not need a brake booster for front disks. Most people run manual.
     
  3. Mavman72

    Mavman72 Gone backwards but lookin' forward

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    Dont use the power brake master with manual brakes...No one makes a header that works on a 351 in a mav without mods.
    You can use the the 250 harness for your swap. gonna have to stretch a few wires...re-rout a few etc...
    Put a floor shifter in it...less problems when useing headers
    You really dont need to change the prop valve when going to frt disk brakes
     
  4. warboy

    warboy Member

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    ive heard that a few places make headers for the swap, ill make some phone calls
     
  5. warboy

    warboy Member

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    now with a healthy 351 in a light car such as a maverick with a fresh trans and a good shifter, am i looking at a good set up for a street/strip car
     
  6. warboy

    warboy Member

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    now i see in your description that you have a 351 maverick, do you mind showing me a picture of your engine bay so i can see how its set up?
     
  7. Mavman72

    Mavman72 Gone backwards but lookin' forward

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    Shure!!! I did not do this install. If I had...I wouldnt have had to pull it twice to fix/correct issues the original installer didnt seem to care/know about.
    Last pic is how it looked when I got the car.
    2nd pic is the 3 row aluminum rad thats in it now.
     

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    Last edited: Sep 15, 2016
  8. warboy

    warboy Member

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    dang, that engine sure looks good in a maverick. i cant wait to start my swap. from what i read crites has some 351 mav headers that fit with very little modification
     
  9. warboy

    warboy Member

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    just some questions about the 351, will it boil my back tires or not
     
  10. Mavman72

    Mavman72 Gone backwards but lookin' forward

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    They do make good torque...
     

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  11. Hotrock

    Hotrock Rick, an MCCI Member Supporting Member

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    You don't need a 351 for that! :yup:
     
  12. mojo

    mojo "Everett"- Senior Citizen Supporting Member

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    What the neighbors say bout all the smoke? Looks like you've done a few burn-outs on that driveway B4?
     
  13. Mavman72

    Mavman72 Gone backwards but lookin' forward

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    Nope...Ya dont but, I use what I have...
    Hello Everett...Wasn't my driveway...LOL...
    The 1st pic actually ended up in the car craft magazine burnout section a few yrs back.
     
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