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To HiPo or not to HiPo

Discussion in 'General Mustang Discussion' started by JonnybravoM3, Oct 27, 2017.

  1. JonnybravoM3

    JonnybravoM3 Member

    Hi all

    Narrowed down a few candidates for my 65 Vert purchase. They all have 289s which is what I'm looking for, but I'm aware that there were 4 variants of the 289 produced, from the 2 barrel to the 4 barrel to the HiPo.

    My question is, does it really make that much difference in the car's performance/ sound, etc?

    Thanks all!


    Sent from my HTC U11 using Tapatalk
  2. janschutz

    janschutz Corn Hauler

    A well tuned 289 with a 2 barrel is enough power for normal and a little spirited driving. A 4 barrel is better. Anything more like a HIPO is wasted $$$ unless you are tracking.
    JonnybravoM3 likes this.
  3. Horseplay

    Horseplay I Don't Care. Do you?

    4 barrel carb for the win. You will notice both power and sound difference for the better with secondaries of a tuned 4 barrel. A real HiPo car will carry a very significant increased price point which makes little sense for your purposes of a family cruiser. Not too mention given the rarity they are typically treated more as a show car than driver.
  4. JonnybravoM3

    JonnybravoM3 Member

    Thanks gents for your sound advice. Makes sense. This is all new to me and I'm very excited.

    Sent from my HTC U11 using Tapatalk
  5. JonnybravoM3

    JonnybravoM3 Member

  6. JonnybravoM3

    JonnybravoM3 Member

    I would like to ask, if I buy a car without factory Aircon, can this be retrofitted and is it expensive to do so?

    Also, if I buy one without a power top, is it a hassle opening and closing the roof? Is a power top a must?

    Sent from my HTC U11 using Tapatalk
    Last edited: Oct 28, 2017
  7. 3175375

    3175375 Well-Known Member

    Two things:
    1) you can get stroker motors (331 or 347) that will produce many ponies
    2) I bought a factory 66 AC unit but have since converted it to R-134a
    Do some digging on both
  8. Horseplay

    Horseplay I Don't Care. Do you?

    Aftermarket air conditioning would be the way I would go. Better performance for sure. You can buy complete kits that are an easy install. You would likely spend as much or more trying to get an original system restored to the same level.

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