Pre-00 2.5L Bore & Stroke:

82.4mm x 79.5mm

...Also the 00 Bore is technically 81 2/3mm

For Reference the 3L's specs:

89.4mm x 79.5mm (note the same stroke)

2000 SVT #674 - Check it out!

Whoever coined the phrase; "If it ain't broke; don't fix it" ~ Just doesn't get it...