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Kirks Judge Motor

  • One other area that we can save compression is to use Ram Air IV Valves.  Now these little items are getting very hard to find.  They are Swirl Polished and Tuliped.  They will give you a few extra CC'S of Chamber Volume.

    • One other area that we can save compression is to use Ram Ai…
  • All in all I prefer my Stainless Valves.  We have custom speced the Stainless Steel that we utilize in the manufacture of these valves.  It has the best properties of heat transfer, hardness, and etc of any valve made.

    • All in all I prefer my Stainless Valves. We have custom spe…
  • The Ram Air Three Head that you need is for a Automatic Equipped vehicle.  In 69 that would be casting number 16 or 62 heads.  16's would be for non A/C cars.  62's would be for A/C cars

    • The Ram Air Three Head that you need is for a Automatic Equi…
  • One of the other surfaces that we need to work with is the deck surface of the cylinder head.  It is important to remove as little material as possible from this area and yet return it to a flat surface for gasket retention.

    • One of the other surfaces that we need to work with is the d…
  • Over the years the water and antifreeze mixture will corrode the passageways thru the head and also the nearby deck surface.  This area has to be surfaced to enable the gasket to seal.  In this case removal of metal can raise the compression which is a...

    • Over the years the water and antifreeze mixture will corrode…
  • The Ram Air Three Heads had Screw In Studs and Guide Plates.  Pontiac knew what they were doing and as such when it came to High Performance Motors they made them for extra stress.

    • The Ram Air Three Heads had Screw In Studs and Guide Plates.…
  • You can see the skirts that are under the retainers.  The factory retainers have a special relief that is machined under the retainer for clearance for this skirt.  You cannot remove them and run the retainer alone.

    • You can see the skirts that are under the retainers. The fa…
  • If you see these retainers without the little oil deflection skirts on them then you can be assured that sooner or later you might drop a valve into your pretty little engine block and break a piston, head or block.

    • If you see these retainers without the little oil deflection…
  • You will also notice the nice big huge intake ports that the Ram Air Variants have.  Pretty much all forms of the Ram Air heads have this type of intake port.  The Ram Air Four Heads have Taller Ports.

    • You will also notice the nice big huge intake ports that the…