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-   Porsche 911 Technical Forum (http://forums.pelicanparts.com/porsche-911-technical-forum/)
-   -   Must see the 2004 GT3 RSR in excellence. (http://forums.pelicanparts.com/porsche-911-technical-forum/140043-must-see-2004-gt3-rsr-excellence.html)

kstar 12-18-2003 08:44 AM
Quote:
Originally posted by jpachard
If you have driven a well prepared( PCA stock C) 996 you would be very plesantly surprised. These cars are CRAZY fast. Also, Porsche has been building these cars for a while, how else could they keep winning LeMans every year, not to mention sweeping the GT class in Grand Am and American LeMans series.

Cheers, James
This must be another misktake!

Remember, Porsche doesn't race and doesn't build lightweight racecars!

Repeat "Porsche builds big trucks" . . .

Seriously, while the Factory does not actually race right now, the Porsche Motorsports division seems to be pretty involved in racing as the victories attest!

I hope some of the modern Porsche myths can be expelled with this RSR.

BR,

Kurt

plain fan 12-18-2003 09:12 AM
Does anyone else think the nose looks like it is rip for a return to round headlights?
Look at the fenders, the headlights don't look like a 996 headlight assembly.

Wrecked944 12-18-2003 10:54 AM
The specs on the Porsche website say the RSR has "sequential six-speed dog type transmission, straight cut gear"...the inside of my SC tranny appeared to have teeth meshed on an angle. So when they say "straight cut", do they mean unmeshed like the reverse gear? Does this somehow improve performance?

I phrased that very poorly but I hope y'all know what I mean.

NOTE: Driver carries less than $.02 of knowledge.

Bill Verburg 12-18-2003 11:11 AM
Quote:
So when they say "straight cut", do they mean unmeshed like the reverse gear?
Helical cut gears like these in a 915 are used for quietness in street cars, they are less efficient at transferring torque
http://forums.pelicanparts.com/uploa...1071777980.jpg

Straight cut gears will have an angle of 90&deg. The advantage is more efficient transmission of power, the disadvantage is more gear whine. They will still be constant mesh

JTO 12-18-2003 11:11 AM
Old_skul,

The script looks "ricey" Just the script.

Troy

Wrecked944 12-18-2003 11:26 AM
Quote:
Originally posted by Bill Verburg
Helical cut gears like these in a 915 are used for quietness in street cars, they are less efficient at transferring torque
Straight cut gears will have an angle of 90&deg. The advantage is more efficient transmission of power, the disadvantage is more gear whine. They will still be constant mesh
Wow, cool, thanks. I've always wondered why my tranny seemed to have more than one gear design. My reverse gear is pretty loud. I wonder what the gearbox would sound like in this RSR car? With an 8500 rpm redline it must be deafening.

Bill Verburg 12-18-2003 11:44 AM
Found a pic of some straight cut gears. This is a Jerico 5 spd roadrace trans
http://www.jericoperformance.com/39b.gif

BK911 12-18-2003 12:52 PM
"I expect Alex Job and Kevin Buckler to kick some Ferrari butt next year with these,they are beautiful to look at!!!!"

Supposedly Ferrari is coming out with a new car with about 100 more Hp. And rumor mill says Ferrari is fielding at least a factory supported team with factory drivers next season. Should be a lot of fun!


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