Vehicle & Technical > Discovery
Disco headgasket
chris9119:
--- Quote from: "J13 MUD" ---Just a point on the head gasket question, the thickness of the gasket has nothing to do with the head being skimmed. The thickness is dependant on how much the piston protrudes above the top of the block on TDC. the safe bet is to replace it with one with the same number of holes, the holes can be seen without removing the head, just behind the fuel pump.
--- End quote ---
The thickness is dependant on how much the piston protrudes above the top of the block on TDC, true, but if you have to skim the head, then it will protrude further, thats why you use a thicker gasket..... :idea:
Disco-Ron:
Sorry to disagree.... but if you skim the head, it won't make the pistons stick further out of the block will it.....???
--- Quote from: "chris9119" ---
--- Quote from: "J13 MUD" ---Just a point on the head gasket question, the thickness of the gasket has nothing to do with the head being skimmed. The thickness is dependant on how much the piston protrudes above the top of the block on TDC. the safe bet is to replace it with one with the same number of holes, the holes can be seen without removing the head, just behind the fuel pump.
--- End quote ---
The thickness is dependant on how much the piston protrudes above the top of the block on TDC, true, but if you have to skim the head, then it will protrude further, thats why you use a thicker gasket..... :idea:
--- End quote ---
chris9119:
--- Quote from: "Disco-Ron" ---Sorry to disagree.... but if you skim the head, it won't make the pistons stick further out of the block will it.....???
--- Quote from: "chris9119" ---
--- Quote from: "J13 MUD" ---Just a point on the head gasket question, the thickness of the gasket has nothing to do with the head being skimmed. The thickness is dependant on how much the piston protrudes above the top of the block on TDC. the safe bet is to replace it with one with the same number of holes, the holes can be seen without removing the head, just behind the fuel pump.
--- End quote ---
The thickness is dependant on how much the piston protrudes above the top of the block on TDC, true, but if you have to skim the head, then it will protrude further, thats why you use a thicker gasket..... :idea:
--- End quote ---
--- End quote ---
You are quite right, but it will bring the chamber a damm slight closer to the piston thats protruding......, won't it :!: :!: :!:
Disco-Ron:
I'll be honest, but i don't remember my head having chambers.... it had swirl chambers in the pistons though....
J13 MUD:
Just another point, there is no combustion chamber in the head, the chamber is in the crown of the piston. Anything you take off the head makes absolutely no ndifference to the gasket thickness.
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