Announcement

Collapse
No announcement yet.

97 ranger 4.0L OHV Head Questions?

Collapse
X
 
  • Filter
  • Time
  • Show
Clear All
new posts

  • 97 ranger 4.0L OHV Head Questions?

    Ok guys one of you probably knows the answer to this one without thinking...

    my dad's ranger blew a head gasket and the heads warped and cracked.

    We are looking for replacements and they are either listed 90-94 or 97 and up, or some are listed 90-2000, or even 98-2006?

    The engine is a 4.0L OHV Pushrod engine with the aluminum lower intake and a plastic upper intake plenum.

    The combustion chambers are "heart shaped" and the exhaust ports measure 1-11/16" or 1.6875"

    Are these the early heads or newer casting heads? Which should we buy? Will either work?

    Thanks!
    89 Festiva L Carby 4 Speed... RIP. Evicted and Scrapped. I HATE MY FAMILY
    94 aspire 3 door Red -- Former BP, V6 KLDE swap underway! RIP... Rotted and Flooded out...
    2012 Mazda 2 Touring 5 Speed... It's Very, Very, Very green... Daily Driver
    1964 Barracuda 360 V8 Push Button 904 Auto, New Money Pit

    Facebook Me!

  • #2
    They switched to the SOHC after a certain year.
    91GL BP/F3A with boost
    13.79 @ 100, 2.2 60' on 8 psi and 155R12's

    Comment


    • #3
      I know that, see thread title, but thanks for the quick reply.
      89 Festiva L Carby 4 Speed... RIP. Evicted and Scrapped. I HATE MY FAMILY
      94 aspire 3 door Red -- Former BP, V6 KLDE swap underway! RIP... Rotted and Flooded out...
      2012 Mazda 2 Touring 5 Speed... It's Very, Very, Very green... Daily Driver
      1964 Barracuda 360 V8 Push Button 904 Auto, New Money Pit

      Facebook Me!

      Comment


      • #4
        I'm just saying... the later heads are most likely 4.0 SOHC heads, I'm not sure if the SOHC completely replaced the pushrod version or if they ran together for any amount of time...
        91GL BP/F3A with boost
        13.79 @ 100, 2.2 60' on 8 psi and 155R12's

        Comment


        • #5
          I've been told both answers, hopefully Jim will chime in here shortly.

          The whole truck is a mix of transition years parts between 96 and 98 parts. Gotta love that.
          Last edited by Nerd Racing; 11-23-2010, 08:02 PM.
          89 Festiva L Carby 4 Speed... RIP. Evicted and Scrapped. I HATE MY FAMILY
          94 aspire 3 door Red -- Former BP, V6 KLDE swap underway! RIP... Rotted and Flooded out...
          2012 Mazda 2 Touring 5 Speed... It's Very, Very, Very green... Daily Driver
          1964 Barracuda 360 V8 Push Button 904 Auto, New Money Pit

          Facebook Me!

          Comment


          • #6
            Jim as in fb71? He seems to have been MIA for a while now...
            91GL BP/F3A with boost
            13.79 @ 100, 2.2 60' on 8 psi and 155R12's

            Comment

            Working...
            X