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SVTPerformance's Chain of Restaurants
Pics and Videos Buffet
MHP 2012 E63 AMG Tune Only: 773HP & 925lb/ft SAE
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<blockquote data-quote="Fourcam330" data-source="post: 11666211" data-attributes="member: 24445"><p>"as are your..."</p><p></p><p>I'm not sure if it's read every other post day but DT loss numbers used are not guesses, quite the opposite actually. They are recorded data that can and are shared among tuners/dyno owners that own and/or use load bearing dynos. For the people in the back row: You can measure DT loss via a load bearing dyno. </p><p></p><p>For example to determine the difference in DT loss between a conventional 7G stall converter and the MCT wet plate clutch setup we compared dynos from 50+ cars (from the same dyno doing our best to eliminate at least one major variable) before and after the MY conversion including C, SL, and E63s (M156). Of course we checked the software and rest of the hardware to see if there were any differences and there were not. Others doing similar comparisons found similar results. </p><p></p><p>Industry standard has been for decades (RWD/AWD I don't give a shit about FWD) and assuming a front engine/rear drive layout. </p><p></p><p>Manual Trans : 15%/20%</p><p></p><p>Auto Trans: 20%/25%</p><p></p><p>Exceptions would include 30%+ from heavy duty drivelines in diesel 4x4 trucks, commercial trucks, etc. </p><p></p><p>While significantly newer enough data exists already to suggest DCTs eat ~18%. However if mounted in the rear of the car (ala SLS) that number may drop to 15%. </p><p></p><p>That said for the car in question there is no question.</p></blockquote><p></p>
[QUOTE="Fourcam330, post: 11666211, member: 24445"] "as are your..." I'm not sure if it's read every other post day but DT loss numbers used are not guesses, quite the opposite actually. They are recorded data that can and are shared among tuners/dyno owners that own and/or use load bearing dynos. For the people in the back row: You can measure DT loss via a load bearing dyno. For example to determine the difference in DT loss between a conventional 7G stall converter and the MCT wet plate clutch setup we compared dynos from 50+ cars (from the same dyno doing our best to eliminate at least one major variable) before and after the MY conversion including C, SL, and E63s (M156). Of course we checked the software and rest of the hardware to see if there were any differences and there were not. Others doing similar comparisons found similar results. Industry standard has been for decades (RWD/AWD I don't give a shit about FWD) and assuming a front engine/rear drive layout. Manual Trans : 15%/20% Auto Trans: 20%/25% Exceptions would include 30%+ from heavy duty drivelines in diesel 4x4 trucks, commercial trucks, etc. While significantly newer enough data exists already to suggest DCTs eat ~18%. However if mounted in the rear of the car (ala SLS) that number may drop to 15%. That said for the car in question there is no question. [/QUOTE]
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MHP 2012 E63 AMG Tune Only: 773HP & 925lb/ft SAE
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