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aftermarket drive shaft

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Old 05-14-2006, 11:06 PM
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aftermarket drive shaft

after going through the search feature, i've been wondering if there is there an aftermarket drive shaft available for the 8? if so, who makes it and how much does it weigh compared to stock? how does it perform against stock as well?
Old 05-14-2006, 11:11 PM
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Isnt the stock one made of carbon fiber? Cant see too much gain there...
Old 05-14-2006, 11:25 PM
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yea, that's what i saw when i did the search, but isn't there anything better?
Old 05-15-2006, 12:15 AM
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Hmm... what could be lighter than carbon fibre and yet as strong.... hmmm..... adamantium is your answer....
Old 05-15-2006, 12:18 AM
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Mazda already did you the favor of giving you the "better" driveshaft. That's true of course if you have the 6 speed manual. The auto's didn't have a carbon fiber driveshaft.
Old 05-15-2006, 03:22 AM
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cool. so no need to upgrade my drive shaft then
Old 05-15-2006, 07:09 AM
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Old 05-15-2006, 09:08 AM
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hahahaha...classic
Old 05-16-2006, 08:32 AM
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yes the driveshaft is strong... but the axles....?
Old 05-16-2006, 09:46 AM
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The stock driveshaft is ridiculously light! Being that is stock it´s lighter than many aftermarket driveshafts for other cars. I didn´t know it was carbon fiber until I did my clutchswap, you can only guess if I were suprised of the weight when it came off. A great job by Mazda!
Old 05-16-2006, 09:47 AM
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Originally Posted by xrider01
yea, that's what i saw when i did the search, but isn't there anything better?
Man...that is classic.
Old 05-16-2006, 10:00 AM
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Originally Posted by Bloodroz
yes the driveshaft is strong... but the axles....?
Don't worry about the driveshaft, differential, or the axles. You'll kill the transmission long before you hurt them.
Old 05-16-2006, 01:26 PM
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Originally Posted by Magic8
Man...that is classic.
i know.....i am classic
Old 05-16-2006, 02:05 PM
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A good thread to read regarding the driveline strength is the 3rotorPR thread hosted by Manuel and Robert. If I remember correctly the driveaxle shafts are good to the 400 w.h.p. mark, the transmission has input shaft problems around 450, and they are now experiencing rear link issues at the 650 w.h.p. mark. They and I will be working together to develop titanium rear links and stronger axles.

CRH
Old 05-16-2006, 02:11 PM
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I've heard it was just steel wrapped with CF
Old 05-16-2006, 03:34 PM
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Originally Posted by Xantium
I've heard it was just steel wrapped with CF
No! If you read the label on the driveshaft it says carbon fiber... not steel. And judging by the weight of it it´s definately NOT steel inside it.
Old 05-16-2006, 04:01 PM
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If you are looking to loose weight, try a lighter PPF. It is really poorly designed.
The driveshaft is already so light, you can easily lift it with 2 or 3 fingers.
Old 05-16-2006, 04:16 PM
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OK, I have to ask... what is PPF?
I hate acronyms.
Old 05-16-2006, 04:18 PM
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I think he meant Power Plant Frame ?
Old 05-16-2006, 04:31 PM
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Originally Posted by nycgps
I think he meant Power Plant Frame ?
Correct! That sh*t is heavy! I know SR Motorsport had a PPF in their catalogue, but they seem to have removed it from their website. Not sure about the weight of it though or how much weight that can be saved with a lighter one without loosing or reducing the strength of it.
Old 05-16-2006, 05:02 PM
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Wasn't charles hill developing a titanium ppf a while ago? How's that going?
Old 05-16-2006, 11:57 PM
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Cost should be the biggest problem. Durability is next.

to get something you gotta give up something. I guess Mazda already did a great job on the PPF already. very balance between strength and weight.
Old 05-17-2006, 12:22 AM
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Originally Posted by nycgps
Cost should be the biggest problem. Durability is next.

to get something you gotta give up something. I guess Mazda already did a great job on the PPF already. very balance between strength and weight.
Nah. They went cheap. Rolled steel, folded over and spot-welded.
It would be fairly easy to make one out of aluminum box-stock. Even tube stainless would be a better choice. It just requires more machining.
Old 05-17-2006, 01:06 AM
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what does the PPF do exactly?
Old 05-17-2006, 01:34 AM
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short of duplicating the OE design in Ti a custom PPF has to be properly designed structurally, probably requires running a finite element analysis program to get the right weight to strength proportions


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