You could have a solid metal head gasket made, thick enough to lower the
compression ratio. The question is: how thick do you need it? It could
probably be calculated by an experienced mechanic.
Max
jon.arikstad@merkantildata.no had this to say:
>Its 'EU kontroll', (MOT), yesterday.
>2 years till next time
>
>I still have problem®s with pinking, I know I need a setup on a rolling
>road, but I asked the workshop to look into it.
>
>The good news,
>all cylinders had the same compression rate.
>
>The bad news,
>compression is 13:1 !!!!
>
>I know that the PO ( I think I will call him PO), had some cylinder head
>work done at a workshop that hm.. what
>should I call them.., and I know that the PO said 'yes' when they asked if
>they also should raise the compression,
>
>but 13:1 ???
>
>I have had a real expert to look at the head. His remark was, 'everything
>looks OK, but I think someone has taken to much off it.'
>
>I can use double syl. head gaskets, and change oil, and head gaskets
>regularly.
>I can do some more work, on the cyl head, make the combustion chambers
>bigger.
>I can by a new cyl. head ( ouch £££ )
>
>I have a weber 45dcoe, carb. I will try larger main /air jets They are at
>155/170 today ( setup from Moss, UK)
>Have a nice looong weekend, thanks for all help I have got so far
>
>Jon Arikstad
>1970 Pinking GT
>
>
--
Max Heim
'66 MGB GHN3L76149
If you're near Mountain View, CA,
it's the red one with the silver bootlid.
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