11-29-2010, 10:15 PM | #15 |
NOICE!!! ™
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True, unless there is a V6 Camaro out there pushing over a 1000 horses to the wheels?
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11-29-2010, 11:18 PM | #16 | |||
Dances With Mustangs
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You may have already noticed there's a difference between the power an engine is rated at, and the power that makes it to the rear wheels. There's typically about a 15% loss that occurs because of the power that's absorbed by the clutch, trans, differential, etc. So for example in the case of the SS the engine is rated at 426 hp. Typically a dyno run shows about 360 making it to the rear wheels. 66 hp is being absorbed in the drivetrain. Some of that power can be recovered with improvements in drivetrain efficiency. The driveshaft is a 2-piece shaft so there are 4 joints connecting it and absorbing power. It's also unsprung rotating weight. The effect on performance of unsprung rotating weight is about 1-10; 1 lb of unsprung is equal to 10 lbs of regular sprung weight. So reducing 8 lbs on the driveshaft has the same effect as removing 80 lbs from the car. Replacing a 2-piece shaft with a 1-piece shaft eliminates a set of joints in the middle which increases the efficiency allowing more power to make it to the rear wheels. And it's a percentage effect rather than a fixed amount. Improvements are generally around 2-5%, so if the engine is producing 426, the increase in efficiency means another 10-20 horsepower is making it to the rear wheels. In addition the 1-piece is smoother, less vibration, can run at a higher rpm as a result. Engine response is faster; less resistance in the drivetrain. It can handle higher hp than the stock shaft. Lots of good reasons to get this.
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Blue Angel is here!! 1SS/RS LS3 M6 IBM |
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11-30-2010, 11:31 AM | #17 |
Drives: 2010 Camaro LS Join Date: Sep 2009
Location: Canada
Posts: 1,911
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if you find out more keep us up to date. and also if there is one for the V6 for $1000 that would be a wicked investment!!
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2010 Summit White Camaro LS / M6 MRT V2.0 |
11-30-2010, 11:53 AM | #18 | ||
Dances With Mustangs
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So far so good!
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Blue Angel is here!! 1SS/RS LS3 M6 IBM |
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11-30-2010, 01:58 PM | #19 |
220/221 whatever it takes
Drives: See sig.... Join Date: Jun 2010
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Brent
2022 BMW X5 M50i 2022 Ram TRX 2021 GT500 CFHP 2016 Challenger Hellcat A8 1058whp/898wtq 1970 Chevelle SS396 4spd |
11-30-2010, 02:12 PM | #20 | |
Account Suspended
Drives: First 9 inch-12 bolt IRS Camaro Join Date: Jun 2009
Location: nc
Posts: 1,835
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11-30-2010, 02:22 PM | #21 | |
Dances With Mustangs
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Blue Angel is here!! 1SS/RS LS3 M6 IBM |
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11-30-2010, 02:24 PM | #22 | |
Just Cruisin'
Drives: 2010 Synergy Camaro Join Date: Mar 2010
Location: San Antonio, TX
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2010 Synergy Green Camaro
25% Tint - CGM Painted GM GFX - 20" Niche M102 Wheels |
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11-30-2010, 05:27 PM | #23 |
Drives: own more cars than i can list Join Date: Nov 2010
Location: Charlotte NC
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Not as light as one would hope.
Hi guys, as much as i would like to state the driveshaft will be that light it will not. I took a aluminum shaft we make that will have close to the same ends and just have the different tube and its 17lbs and this is with a special aluminum head we developed for the shaft (the CV alone is about 4lbs). I would have to take an educated guess that the
carbon shaft would be about 2lbs less. I will throw this out there, years ago when we started making the driveshafts for the Pro Drift teams there was a similar discussion and we donated a steel shaft and a aluminum shaft to have actual dyno testing done, i would have to check back in my records for a detailed account of the test but the total test with run up and run down showed very little (almost non discernable) differences. The aluminum shaft was 35% less weight than the steel one. Its one thing when your talking a large diameter part like a clutch but in smaller diameters its not as critical or effected. just our experience on the subject. I will say this that changing from a 2 piece to single will have more athletic feel to the car as it will loose what I call "hanger lag" the 2 piece shaft has. Last edited by Driveshaftshop; 11-30-2010 at 05:27 PM. Reason: pix sisent attach |
11-30-2010, 05:39 PM | #24 | |
Drives: 2010 rs ss Join Date: Jan 2010
Location: calif
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11-30-2010, 05:53 PM | #25 |
Drives: Everywhere Join Date: Jun 2008
Location: TX
Posts: 852
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Isn't a two piece d/s stronger than a one piece with all other spec the same though?
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11-30-2010, 06:32 PM | #26 |
Drives: own more cars than i can list Join Date: Nov 2010
Location: Charlotte NC
Posts: 1,124
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shaft info
It would depend on how each is made, the shorter tube will have a higher yield than a longer one but normally longer tubes are larger diameter. A 3" chromoly tube has a max yield of 4957 compared to a 3-1/2 aluminum shaft at 3464. Being the engine/trans would
have a hard time reaching either its a draw in my opinion. Lingenfelters car although runs our axles still has the factory shaft, the Guibo joints (funny name but its what the proper name is for them) are very forgiving and shows how much shock they take out of the drive train before the pinion |
11-30-2010, 08:01 PM | #27 |
Dances With Mustangs
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So you're saying a 1-piece aluminum shaft will basically offer as much benefit as a 1-piece carbon fiber shaft?
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11-30-2010, 08:45 PM | #28 |
Drives: 05 GTO Join Date: Jul 2009
Location: Wichita, KS
Posts: 1,243
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We've sold several of our 3.75" Carbon Fiber shafts for the 2010 Camaro. They all worked out great.
We sell them with a billet pinion yoke for the rear diff so you can get rid of the adapter and get away from the bolts that bend or break back there. If your not making that much power we can do one with an adapter, we have PST make our shafts. I know they have made Carbon Fiber shafts for some guys on here without the billet pinion yoke. Were starting a new batch of pinion yokes this week if anyone is needing one. Thanks Chris |
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