Having driven one of the largest engines in ITA, I feel your pain. We were in the same boat. ----- We even ran ITS with the car once, but that's another story.
13B is called a 13B for a reason... 1.3L.
Chris Rallo "the kid"
-- "wrenching and racing" -- "will race for food!" -- "Onward and Upward"
Correct me here Greg but common thought process:
Even though the 13B may have 1300ish cc's of actual volume it acts like a 2-stroke. So they class it effectively as 2.6L because it has twice as many power strokes per revolution as a conventional piston engine...1 power stroke per rotor every revolution whereas the CPE has 1 PS every other revolution.
By that reason, the 325's M20 normally called 2492cc motor is actually a 1247cc's because that's what it uses in one revolution of the crank, so it's STL legal then
STU BMW Z3 2.5liter
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