Mitch Haley wrote:
I was even more amazed to find out the 2.5L "4 Tech" engine did not take the PF47 spin-on filter. There was a 3" diameter oil drain plug, with a paper cartridge filter above it.
Ah, yes. A friend of mine who used to own one of those cars had some choice words about that design. It makes for rather messy oil changes. That engine's tendancy to ooze oil all over the place is one of the reasons they tended to catch fire in the cramped engine bays of Fieros.
GM cars of that era are kind of weird. They either fly apart before 100,000 miles, or keep running long after you wish they would fly apart so you could feel justified in getting something else. ;)