>       Here is an item for everyones interest.
>       Removed spark plugs to have a look see and found plugs at # 2 and # 3
>cylinders had cracked and missing porcelain.  What's that all about ?  The
>colour of the plugs were good and these plugs Bosch WR7DTC's were put in
>22,400 km ago !  STRANGE !

Sounds like they were the wrong heat range. plugs that cauese an engine to
run too hot can lose porcelain insulation from the nose. Can also burn your
piston crowns.

Or else it's leaning-out too much.

Andrew Grebneff
165 Evans St, Dunedin, New Zealand
<andrew.grebneff@stonebow.otago.ac.nz>
ph   64 (3) 473-8863
fax 64 (3) 479-7527
84 VW Caravelle GL (to be fitted with SVX engine & Porsche G50 trans) RWD
87 Corolla 1.8 DX CE80 diesel sedan FWD
89 Corolla 1.8 DX CE96 diesel van/wagon FWD
89 Corona 2.0 D Select CT170 diesel sedan FWD
92 Toyota Estima Lucida (=Previa) 2.2 turbodiesel RWD