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Ed, i don't know this for fact, but I've read a bunch of different places that the VW drivetrain absorbs 10-15%.

I wonder if that also holds true for the Rabbit and all other transverse FWD cars?

It would make sense that they consume even less. The torque never changes direction(90 degrees) like in a Bug.

I've seen some Spyder tests that have about a 160-170 or so hp engine and the tested 1/4 mile time calculated out to about 145 wheel hp.

Last edited by DannyP
@edsnova posted:

...gear and axle (and wheel?) loss on a Bug or Speedster? Some say 15 percent, some say 25 percent drivetrain loss just in general but they're talking front engine/rear drive usually and I've often wondered if the VW or Porsche transaxles aren't more efficient just based on having less rotating mass than your average Tremec/12 bolt Chebby or Ford Toploader+9-inch.

@DannyP posted:

Ed, i don't know this for fact, but I've read a bunch of different places that the VW drivetrain absorbs 10-15%.

I wonder if that also holds true for the Rabbit and all other transverse FWD cars?

It would make sense that they consume even less. The torque never changes direction(90 degrees) like in a Bug.

I've seen some Spyder tests that have about a 160-170 or so hp engine and the tested 1/4 mile time calculated out to about 145 wheel hp.

The figure I've heard is 12-15% depending on oil, how the trans is set up, and even tire pressure plays a factor.

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