What is typical drivetrain HP loss? - ModernCamaro.com - 5th Generation Camaro Enthusiasts
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post #1 of 7 Old 07-30-2007, 10:33 PM Thread Starter
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What is typical drivetrain HP loss?

Just trying to get an idea on my cars flywheel power.
98 Camaro Auto 4l60e with 12bolt.
What do you guys think?

1998 Camaro A4 7.06 @ 96.5 MPH NA 1.47 best 60ft
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post #2 of 7 Old 07-30-2007, 10:54 PM
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There's alot of factors.....
which transmission, build of transmission (stock vs race), driveshaft material, rear-end type and material, etc etc etc

But typically you can figure 15% drivetrain loss for a manual and 20% drivetrain loss for an automatic.
Add maybe another 1% for a 12-bolt, or add 5-6% more for a 9-inch.

2001 Camaro Z28 H/C/I LH6 A4 3.42

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post #3 of 7 Old 07-30-2007, 11:00 PM
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**** mechanical inefficiency!



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post #4 of 7 Old 07-31-2007, 12:38 AM
 
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**** mechanical inefficiency!
lol... do torque converter stalls play a role in drivetrain lost??
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post #5 of 7 Old 07-31-2007, 08:45 AM
 
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yes they do, the TC is where most of the torque, and HP are lost seeing as it is a fluid coupling between the engine and transmission there is no physical contact between the engine and the tranny, just fluid turning it.
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post #6 of 7 Old 07-31-2007, 10:29 AM
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Yeah, torque converters do play a major role.
Usually, the higher the stall RPM, the higher the drivetrain loss through it.

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post #7 of 7 Old 07-31-2007, 05:41 PM
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