05 Drivetrain Losses: What's the actual %?
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This has been danced around for quite a while and never answered. What is the actual % loss from the flywheel to the wheels for our 05's?
Usually, I take it as about 15% but sometime a while back a member said (can't remember who) that Ford quoted him 12% due to a more efficient drivetrain.
Now, rwhp/rwtq is the best benchmark and I'd rather the automotive industry use that as their standard for reporting power output of vehicles, but I would like to settle this if anyone knows the answer.
Usually, I take it as about 15% but sometime a while back a member said (can't remember who) that Ford quoted him 12% due to a more efficient drivetrain.
Now, rwhp/rwtq is the best benchmark and I'd rather the automotive industry use that as their standard for reporting power output of vehicles, but I would like to settle this if anyone knows the answer.
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Originally posted by M1Rifle@December 31, 2004, 8:31 PM
Dan-
You can't be sure. Don't worry about it. The ONLY thing that is important is the RWHP.
You can't run a quarter mile without a transmission, a drive shaft, a rear axle ......
Dan-
You can't be sure. Don't worry about it. The ONLY thing that is important is the RWHP.
You can't run a quarter mile without a transmission, a drive shaft, a rear axle ......
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Well, if you do the math a 12% drivelin loss would put the 05GT exactly at 300-310hp from dyno runs I have seen posted thus far, almost exactly as Ford rates it. A 15% correction puts the car at about 310-320hp. I did the math because I have a feeling this what I would find.
My guess is the car has the same 15 percent driveline loss most rwd cars do, and Ford is just backing their 300hp lie with the 12% claim for appearances sake.
My guess is the car has the same 15 percent driveline loss most rwd cars do, and Ford is just backing their 300hp lie with the 12% claim for appearances sake.
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Originally posted by jsaylor@January 1, 2005, 8:25 PM
Well, if you do the math a 12% drivelin loss would put the 05GT exactly at 300-310hp from dyno runs I have seen posted thus far, almost exactly as Ford rates it. A 15% correction puts the car at about 310-320hp. I did the math because I have a feeling this what I would find.
My guess is the car has the same 15 percent driveline loss most rwd cars do, and Ford is just backing their 300hp lie with the 12% claim for appearances sake.
Well, if you do the math a 12% drivelin loss would put the 05GT exactly at 300-310hp from dyno runs I have seen posted thus far, almost exactly as Ford rates it. A 15% correction puts the car at about 310-320hp. I did the math because I have a feeling this what I would find.
My guess is the car has the same 15 percent driveline loss most rwd cars do, and Ford is just backing their 300hp lie with the 12% claim for appearances sake.
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You could look at things another way and ask "what significant changes have been made in the drivetrain that would reduce hp loss over previous drivetrains"? I don't really see anything....Anybody else?
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Originally posted by M1Rifle@December 31, 2004, 6:31 PM
Dan-
You can't be sure. Don't worry about it. The ONLY thing that is important is the RWHP.
You can't run a quarter mile without a transmission, a drive shaft, a rear axle ......
Dan-
You can't be sure. Don't worry about it. The ONLY thing that is important is the RWHP.
You can't run a quarter mile without a transmission, a drive shaft, a rear axle ......
D^(&(n; and I thought I could save a couple hundred pounds of weight by removing them....
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