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Originally Posted by CSG Mike
- The FRS/BRZ has a smaller CdA than every car listed. The higher the speed, the larger the CdA advantage. The STI and Evo is a flying brick.
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yes Evo and STI has a slight disadvantage on drag coefficient figures (.27 vs .30X something) but that disadvantage becomes negligible especially when the speed increases ..see below formula:
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A car cruising on a highway at 50 mph (80 km/h) may require only 10 horsepower (7.5 kW) to overcome air drag, but that same car at 100 mph (160 km/h) requires 80 hp (60 kW). With a doubling of speed the drag (force) quadruples per the formula
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- Gearing is moot; tight gearing is better for the JRSC powerband anyways. It's not ilke you deal with turbo lag.
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I was referring to the highway pulls
not the transient lag that is inherited in turbos, I should've said "better matched gears" because taller gears only have advantage for that specific power levels ..M3 with it's longer gears will almost always walk away from the SC'd FRS/BRZ with less than ~300whp
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- Repeatability... is debateable, but none of the setups listed above will have issues repeating performance from a roll.
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compared to other FI choices yes but compared to NA? well we know the answer