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Dyno Results & Bench Racing Dyno your 5th Gen? Post the numbers here! How fast will it go?

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  Topic Review (Newest First)
06-20-2014 09:38 PM
ThomasWarren About 11% loss on LS3 motor with man. trans. 426 HP at crank you should see about 379HP at wheel. Maybe a little more or less depending on how good a motor you got from the factory
04-05-2009 09:46 PM
Originally Posted by gto_in_nc View Post
"Net" meant "with all the accessories" -- stuff like water pumps, alternators, fans, etc. that cause drag and that that weren't required under the older "gross" rules. Even so, however, there were no hard-&-fast proscriptions about the actual testing regimen, which meant fudging the numbers was the norm. A few years ago (someone will chime in with when), the SAE published very specific guidelines for measuring engine output and most manufacturers complied, providing the first "accurate" power numbers for new cars and also providing, for the first time, a meaningful comparison between different cars, whether from the same or different manufacturers.

oh ok, thanx, that cleared it up for me
04-05-2009 02:30 PM
gdcod3player i saw a charger srt8 dyno tested it was like 340....
04-04-2009 07:00 PM
Fourth Horseman IMHO, a driveline loss of 14.5% is pretty darned good. For comparison, my Marauder with it's long drive line and automatic slush box loses closer to 20% from flywheel to driving wheels.

The SS sounds awesome on that dyno vid, btw. Can't wait to start seeing these in person.
04-04-2009 06:04 PM
Originally Posted by weland View Post
Did someone say, "cam-swap"?
And programming changes. And phaser changes. (Not in the "Beam me up, Scotty" way.) As always, though, the devil is in the details...
04-04-2009 06:02 PM
Originally Posted by thedcorvette View Post
an Orange. and a man with a tape recorder stuck up his nose..
<looks for camera>
04-04-2009 06:01 PM
Originally Posted by Jonz5GEN View Post
Harmonics and electric what's my prize?
Close! (And you were the one who stickied that one, too!)
04-04-2009 05:51 PM
Originally Posted by gto_in_nc View Post
The L99 has a slightly lower mechanical RPM limit, I'd assume due to harmonic issues, but appears to be "cammed" to have run out of steam by then anyhow. It will be very interesting to see what the more technologically sophisticated aftermarket folks will do here (and I do NOT mean the troglodytes who will advocate ripping VVT out...)
Did someone say, "cam-swap"?
04-04-2009 05:49 PM
thedcorvette an Orange. and a man with a tape recorder stuck up his nose..
04-04-2009 05:47 PM
Originally Posted by gto_in_nc View Post
NOTE: The attentive reader will observe that I sneakily tied in the topics of two technical threads I have started elswhere on the forum.

Harmonics and electric what's my prize?
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