"Austin Shackles" wrote in message
...
On or around 9 Oct 2003 02:53:22 -0700, (Ray)
enlightened
us thusly:

Forgive me for not being so knowledgeable about this subject, but
whenever unleaded fuel was introduced to us, were the valves and
shims, etc not hardened for this purpose?

Or is it that the ford zetec engine has a problem with lpg.

ford screwed up on the spec for the seats/valves, is my guess. They've
apparently started retro-fitting heads to petrol-powered ones...

Mind, I don't for sure know which engines are affected - not all of them
are. I *thought* it was mostly 1.8 focus engines, but then again, they
may
share the same head as the 1.6

The 1.8 and 2.0litre BLACK TOP Zetec-E engines definately require flashlube.
Pre 98 Silver tops are fine without.

The 1.25/1.4/1.6/1.7 Zetec S/ SE engines are advised to have flashlube.

Tim..


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