Vehicle & Technical > Discovery

Which make of Head-Gasket is best ?...

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The Electrician:
Hi guys, Just an update, i took some advise from various people on various forums and went with a 1.6mm Elring gasket, that and the fact that autopost (wimbledon - 10 miles away) had one in stock.

So head off, all striped and cleaned (looked like new) all put back together and after running some fuel through the injectors she fired up and runs fab, no leaks or anything...........so far.

decided not to skim as Land Rover say not to and once the glow plugs (replaced them as well) and injectors are out the cleaned head sits on a glass top table which should have showed up any serious distortion being true flat, it seemed fine with no movement on any corner.

the only thing I need to do tomorrow is bleed the fuel properly as it plays up starting after you leave it an hour or so.

but now it's all fixed, I'm going to sell it and get a 90.

Gary  :lol:  

Range Rover Blues:
The manual says the head must be flat to within 0.08mm along it length, across it's width and diagonally.  RRR's needed 14though (not sure what that is in mm yet) to get it flat.

I really can't understand why having the head skimmed means you need to fit a different gasket, the head is flat.  The gasket should be chosen after measuring the piston projection at TDC, that doesn't change unless you rebuild the bottom end.

The ONLY thing would be the valve-head stand-down and that issue is better addressed by recutting the valve seats.


Anyway, being Christmas I havn't yet managed to get hold of all the bits i need, but the guy who did my head (Rotherham Engine Services) told me the bolots are not stretch bolts despite being angle torqued and can be re-used.

Other people in the past have told me they can be reused between 3 and 5 times.  Hell you'd have to be unlucky to be doing the same head 5 times :'(


Anyway, I think fitting new bolts is as much about confidence as anything else but when I find my copoy of RAVE I'll check what it says.

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