Carbon drive shaft
#2
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My understanding of this, (and I stand to be corrected) is when you rolling road your car and for example your car makes 300 hp at the flywheel and lets say 250 at the wheels. With a carbon prop shaft it would be something like 300hp at the flywheel but 270hp at the wheels due to your engine having to turn a much lighter shaft.
The other difference is that your bank balance will be greatly reduced!!!
The other difference is that your bank balance will be greatly reduced!!!
#4
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I take it you mean the propshaft? Very expensive, but if you're putting more power to the road great! I would love to see some at the wheel figures for before and after one of these being fitted. I just get the feeling that the theory greatly outweighs the real world changes.
#7
Compared to cost? Nothing. But its one of the few mods you can do that does not increase strain on engine/driveline, and still increase performance. But for the average joe, they only add like ~5hp from what Ive seen, depending on engine output.
But Id love to see a dyno comparison on a scooby. Add up a few hp from a lightweight flywheel, and some from pulleys, and you could end up with a decent rear wheel power increase (lets say 10-15whp as a calculated guess). Its costy hp though, so Id say they should be the last thing you do.
But Id love to see a dyno comparison on a scooby. Add up a few hp from a lightweight flywheel, and some from pulleys, and you could end up with a decent rear wheel power increase (lets say 10-15whp as a calculated guess). Its costy hp though, so Id say they should be the last thing you do.
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#8
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A chap I know runs a much modded Evo 5. Its road legal but its really only used at hill climbs.
Not sure of the spec exactly though i'll find out when I see it next. He loses about 100hp in the drive train.
Not sure of the spec exactly though i'll find out when I see it next. He loses about 100hp in the drive train.
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On a steady state dyno a carbon prop shaft will add nothing, on a dyno that runs through the rev range it will add a bit as the reduced mass and therefore inertia take less power to spin up, remembering it will appear to add more power in lower gears (faster acceleration) than in higher ones.
On the road you will gain effectively a little more as you've also made the car lighter.
Not worth it on a road car to be honest, you'll gain more performance change for a lot less money.
Simon
On the road you will gain effectively a little more as you've also made the car lighter.
Not worth it on a road car to be honest, you'll gain more performance change for a lot less money.
Simon
#11
Its not unusual for AWD cars to have over 20% loss.. A carbon shaft wont fix more then maybe 1 of them if youre lucky.
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