Discussion
I have a 99 996. The reading I did puts it the other way around. The newer they got after late 99 the more problems seems to be about. They went from dual row IMS to single row IMS. Recent info released from Porsche USA stated that less than 1% of failures for dual row and i think it was 8% for the single row. Also the larger engine 3.6 had thinner liners and the piston coating was changed i think. This lead to more bore scoring problems.
If the problems worry you you have options.
Upgraded IMS. Usually around a grand fitted. (will differ in price depending on where you go)
Also Direct oil feed kits now about.
Bore scoring. Low temp thermostat kit (£50) and a third rad kid, Few hundred quid.
Or just do what I did. Buy one in good condition with full history and just enjoy it.
An engine can fail on any car and it will cost money. Some more than others.
P.s had mine for 12 months now. Apart from a bottom arm and exhaust clamps its been fine.
If the problems worry you you have options.
Upgraded IMS. Usually around a grand fitted. (will differ in price depending on where you go)
Also Direct oil feed kits now about.
Bore scoring. Low temp thermostat kit (£50) and a third rad kid, Few hundred quid.
Or just do what I did. Buy one in good condition with full history and just enjoy it.
An engine can fail on any car and it will cost money. Some more than others.
P.s had mine for 12 months now. Apart from a bottom arm and exhaust clamps its been fine.
4 years and approx around 50,000 miles into a 2003 C4S.... No major woes (radiators, coils etc cost a few bob in servicing) but no major mech issues. Any car can fail, expensive cars come with big potential bills, and we know these do have a few know issues / risks. Not sure what more to say.
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