It will be far quicker and easier if you can find an '86 or newer head and rebuild it. Check the local wrecking yards, Craigslist.com for your area, or the for sale forum here, on Marlin.com, or Pirate4x4.


More than tread lightly. Leave it like you were never there, nor anyone else.
'90 X-cab 4.88's 33 BFG AT's, rr ARB, Headers, Ignition upgrade, cold air induction.
'91 X-cab 5.29's 315's BFG MT's, rr ARB, custom bumper and flatbed