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synthetic or regular

Discussion in 'Truck & Equipment Repair' started by cretebaby, Oct 28, 2008.

  1. cretebaby

    cretebaby PlowSite Veteran
    Messages: 4,162

    what should be used in the transmisson regular or synthetic ATF and why?
  2. brad96z28

    brad96z28 PlowSite.com Addict
    Messages: 1,525

    Depends on the vehicle! And transmission.
  3. KSikkema

    KSikkema Senior Member
    Messages: 179

    given the years of the fords they likely take synthetic (mercon V) and the chev will take regular (dex III). that being said all trannies will benefit from syn fluid as it is able to withstand heat better and will take more abuse especially when plowing.
  4. snowandgo

    snowandgo Senior Member
    Messages: 143

    99 Ford is definitely Mercon not Mercon V. I run Amsoil ATF and nothing else. It runs cooler and lasts longer than regular Mercon.
  5. adksnowo

    adksnowo Senior Member
    Messages: 370

    I agree, amsoil is great. I change my tranny oil annually, when I drain out the old ATF it looks/smells like I poured it in yesterday. Also comes in 2.5 gal. containers which is really convenient. Little pricey, but how much is a tranny rebuild?!payup
  6. brad96z28

    brad96z28 PlowSite.com Addict
    Messages: 1,525

    Mercon V came out in 97.
    Like I said before it depends on the exact vehicle and trans. Here is a chart for future refrence.

    Last edited: Oct 30, 2008
  7. snowandgo

    snowandgo Senior Member
    Messages: 143

    I know, but as I own 2 99 Ford trucks with 4r100's, I know they used Mercon. I used to drive a 99 Taurus and it was Mercon V.

    I don't need a chart when I have the actual dipstick or owner's manual ;)
  8. brad96z28

    brad96z28 PlowSite.com Addict
    Messages: 1,525

    U may not but the person asking the question obviously does.:dizzy:
  9. red07gsxr

    red07gsxr Senior Member
    from meriden
    Messages: 256

    use what the factory recommends...simplifies the question that you asked