This reminds me of when my '65 Beetle convertible sucked #3 exhaust valve
years ago.  It broke the top out of #3 piston and pieces of it ended up
embedded in the combustion chambers of #s 1, 2, and 4.

It sure sounds like it's time to pull the heads and see what has happened.

Mike
Houlton, Maine
'84 GL 7 pass
'85 GL Westy

> Recently, I posted regarding a problem where my van suddenly lost power
> and
> I found that one of my spark plugs (#2) had broken (topic: "Broken Spark
> Plug Electrode/Tip").  After receiving some kind advice from the list, I
> simply replaced the plug and hoped for the best.  But after replacing, the
> van was still running poorly, with low power particularly on acceleration,
> as if that cylinder was not running right (it was firing).
>
> After some obligatory useless fiddling, I ended up taking it to the shop,
> which found that compression on the #4 cylinder was very low, while it was
> good on the others, including the #2 which had the fried plug.  The van
> was
> running fine before the spark plug incident.  So, strangely to me, it
> seems
> that the spark plug incident on the #2 cylinder caused the problem I'm now
> having w/ the #4.
>
> Is this possible?  Any ideas?
>
> Thanks,
>
> James V
> 90 Carat