Vehicle & Technical > Discovery

Disco headgasket

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Disco-Ron:
I hate to say it.... but... i thought as much!!

burgerman:
When the head is skimmed, the valve heights should be checked and adjusted as/if ness, and yes the gasket thickness is determinned by the piston protrusion,  Depending on the spec the head is at the moment it maybe not ness to do , A good engine shop will check/adjust the valve heights for you , Personaly i would pop out the valves ect and have a little makeover whilst its off, But as i worked in a engine shop for 13 years and still very good friends with the owner, i get to use the equipment foc still, Hope its a simple gasket fix for you and nowt more involved ??

Range Rover Blues:
Start with what Mike suggested and check the inlet/exhaust manifold.  You've be disgusted if you saw how much oily cack is inside it and a tiny leake will alllow the turbo to blow said cack out of through any gaps.

If it were the head gasket I'd expect more problems and mess in a different place.  The oil feed is the front D/S of the head for one thing.

fezzy192:
when i had my head skimmed they told me to go for a 3 notch as is was the safest and i have had no problem at all changed all the valve seals and polished and ported the head and now goes like the clappers lol

dave_2A_2.25Turbo:
That's because a 3-notch is the thickest, so is always suitable

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