Take a look at Peter Hills' PowerPoint - slide 329. He uses, and I have also used blue Hylomar. I have also seen a light greasing recommended, and others suggest using nothing at all. Take your pick!
While on the subject of sealants, Red Hermetite (not to be used for cylinder heads) was taken off the market some time ago, but there is now a new product on sale which is virtually indistinguishable from Hermetite Red called Hylotite Red, also made by Hylomar. Has anyone used it?
An old mechanic friend of mine who looked after all the cars I have owned from when I first met him in the early sixties
up till his death about four years ago . He also used to service the 8 vans of a firm I used
to manage as well as the firms cars. He used nothing but grease on all cylinder heads and I never had any trouble with any of the
vehicles in all that time. good motoring Mike
Seeing the previous question on head studs,etc the same old friend never used a torque wrench, his words you need to feel
the tightness, again never had a problem.Mike