Headgasket YAY

Take note of any oil leaks that are coming from under the head and repair while it's off
also good opportunity to de- web and drill out number 1 and 5 on exhaust manifold
ditto for fuel cooler O rings, replace with viton
definatley don't use silicon between head halves, this blocks oil galleries and will destroy lifters, cam, and injector rockers at the least.
I have had two people who have brought their car after having done this job in that way within the last year.
If not there already replace head dowels with spring steel roll pin type with cutout to allow for expansion
Don't stress , it's not that hard a job;)

Discorevy I used Permatex rigid high-torque RTV silicone 599BR applied with a 1'' paint roller. While the paint roller is a great way to apply sealant sparingly to the head halves I am now a little nervous of the silicone which was recommended by a local mechanic, what would you recommend people use?

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Originally Posted by Pippin

Discorevy I used Permatex rigid high-torque RTV silicone 599BR applied with a 1'' paint roller. While the paint roller is a great way to apply sealant sparingly to the head halves I am now a little nervous of the silicone which was recommended by a local mechanic, what would you recommend people use?

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Land Rover say to use part number STC4600 which is Hylomar 3400.

Thanks Kelvo, I tried to get that but it was not readily available, but I am OK with the result using Permatex, I think it is more of an issue if applied excessively or carelessly on this application.

Yep Pippin you are correct about the excessive amount being the culprit , I should have been more specific , what you have used is fine
The last one had used excessive amounts of non hylomar or rtv completely blocking oil supply to all lifters/ inj rockers bar 2 , this , I was told was from a workshop :eek:. Amazingly it had lasted for 6 months until a cam follower had come off , bending a valve, all injector rocker rollers were worn flat destroying cam.
Said workshop paid for parts, has since shut down ....Wonder why