So had anyone bought Carbon Fiber doors for your rx8? - RX8Club.com



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Old 12-21-2007, 05:02 AM   #1  
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So had anyone bought Carbon Fiber doors for your rx8?

I'm on a CF fetish right now and I stumbled across Carbon Fiber doors for the rx8 (front and back) for 1500. Anyone here have them installed?
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Old 12-21-2007, 05:14 AM   #2  
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Not that i know, but I saw some (front & back) on ebay. Sure looks like a good way to save weight if you had a dedicated race car though!
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Old 12-21-2007, 07:42 AM   #3  
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all ive seen on here thus far is the CF hoods, trunks, and mirrors.
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Old 12-21-2007, 08:08 AM   #4  
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How much weight do you lose with them?
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Old 12-21-2007, 08:11 AM   #5  
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Quote:
Originally Posted by caveney81 View Post
all ive seen on here thus far is the CF hoods, trunks, and mirrors.
They make every panel on the rx8 in carbon fiber, roof, hood, mazdaspeed front, fenders, rear...

Not to mention they sell all the windows in lexan as a lightweight alternative.
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Old 12-21-2007, 10:13 AM   #6  
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i've never seen the carbon fiber doors. any numbers on weight reduction? if i had the money, $1500 doesn't seem to steep, assuming there is a big weight drop, which i'm inclined to think there would be....
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Old 12-21-2007, 10:22 AM   #7  
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Quote:
Originally Posted by turok4n64 View Post
I'm on a CF fetish right now and I stumbled across Carbon Fiber doors for the rx8 (front and back) for 1500. Anyone here have them installed?
Are you talking about the WHOLE door ? Is it *dry carbon* ?

There is NO WAY that they're selling the whole door front and back for 1500 if its dry carbon.
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Old 12-21-2007, 10:44 AM   #8  
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it's cheaper to replace the power window stuff to save weight than replacing a the doors with CF versions.
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Old 12-21-2007, 10:51 AM   #9  
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Quote:
Originally Posted by delhi View Post
it's cheaper to replace the power window stuff to save weight than replacing a the doors with CF versions.
I like power windows tho ~~~~

But still, I mean, no way those doors are made of dry carbon. probably just regular stuff. which I wouldnt buy.
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Old 12-21-2007, 11:02 AM   #10  
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IIRC the CF doors are just the door SHELLS, no? In other words, you remove the outter sheet metal from the door and bolt the CF shell on.
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Old 12-21-2007, 11:49 AM   #11  
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yeah, gotta be just the outside shell.

Turok: do you have a CF hood and CF trunk already? Maybe start there???
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Old 12-21-2007, 12:47 PM   #12  
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yeah i already have the cf hood & trunk. The CF doors are 8lb. Reply from seller

"I don't know how much the stock doors weigh but i know the doors i have are bout 8lbs each. The carbon can get painted if you want to paint it"


Any information on stock doors weight?
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Old 12-21-2007, 12:50 PM   #13  
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Quote:
Originally Posted by staticlag View Post
They make every panel on the rx8 in carbon fiber, roof, hood, mazdaspeed front, fenders, rear...

Not to mention they sell all the windows in lexan as a lightweight alternative.
where to get these carbon fiber stuff at?
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Old 12-21-2007, 01:19 PM   #14  
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I think my only problem with CF doors would be safety in case of an accident. Your 8 is a daily driver right? I don't know that much about their composition, but I would think that the regular ones would hold up better under serious impact.

Remember, mine was barely tapped at the door seams between the two and it not only snapped the locking mechanism but they had to replace the front passenger door and the back door shell.

Not trying to down your idea, just something to think about.
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Old 12-21-2007, 01:20 PM   #15  
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link to the cf door shells/panels?
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Old 12-21-2007, 01:23 PM   #16  
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Quote:
Originally Posted by rddragoness View Post
I think my only problem with CF doors would be safety in case of an accident. Your 8 is a daily driver right? I don't know that much about their composition, but I would think that the regular ones would hold up better under serious impact.

Remember, mine was barely tapped at the door seams between the two and it not only snapped the locking mechanism but they had to replace the front passenger door and the back door shell.

Not trying to down your idea, just something to think about.
I was under the impression that CF was highly durable
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Old 12-21-2007, 02:41 PM   #17  
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You are going to hear all the rattles in the car. Some guy in San Jose had CF F &R bumper, doors, fenders, hood, trunk. It looked pretty good, but on a black car, it make it look like the paint faded.

CF is durable, but only under certain conditions. The body panels on the car are made to absorb impact. The CF will just break and shatter.
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Old 12-21-2007, 02:45 PM   #18  
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At some point of View, CF is stronger than a lot of metal

but instead of *bend* like Metal, CF, once you go over its limits, will just Break.

So it can protect you better only up to a certain point ... after that, you're on your own, pray to see if you can get away.

So if safety is your main concern, no CF stuff.

but if its for Bumper it could be ok, as long as you dont hit anybody, cuz when CF breaks, you cant repair it.
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Old 12-21-2007, 04:42 PM   #19  
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Quote:
Originally Posted by rddragoness View Post
I think my only problem with CF doors would be safety in case of an accident. Your 8 is a daily driver right? I don't know that much about their composition, but I would think that the regular ones would hold up better under serious impact.

Remember, mine was barely tapped at the door seams between the two and it not only snapped the locking mechanism but they had to replace the front passenger door and the back door shell.

Not trying to down your idea, just something to think about.

From my understanding, Carbon fiber is the strongest material you can have for the exterior of a car. But thats just what Ive heard so I dont have much to back that up with
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Old 12-21-2007, 05:41 PM   #20  
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From my understanding, Carbon fiber is the strongest material you can have for the exterior of a car. But thats just what Ive heard so I dont have much to back that up with
yes but when it breaks, it shatters.

heres a link to a place that has CF everything. i wouldnt be interested, my baby is a daily driver.

http://www.businessvision.net/edge/M...egoryID=778269
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Old 12-21-2007, 06:00 PM   #21  
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That's right. Now that I think about it; the CF would be stronger but in an impact it would just go BOOM!
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Old 12-21-2007, 06:01 PM   #22  
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Originally Posted by turok4n64 View Post
where to get these carbon fiber stuff at?
You can get it through Mazda but you have to show proof that you race & the car you put it on, is race only!
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Old 12-21-2007, 08:48 PM   #23  
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Quote:
Originally Posted by deadphoenix52 View Post
yes but when it breaks, it shatters.

heres a link to a place that has CF everything. i wouldnt be interested, my baby is a daily driver.

http://www.businessvision.net/edge/M...egoryID=778269
I understand that, but what does it take to make it "shatter". I mean if its rumored to be sooo strong then wouldnt it take like a freight train to make it shatter?!
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Old 12-22-2007, 01:55 AM   #24  
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actually, i wouldnt think it would matter too much. i would think the door frame is a much stronger than what amounts to sheet metal at a right angle to impact.

the worst part would be the scratches. if someone keys your car, or scrapes it in a parking lot, you simply cant have it fixed and repainted. you need an entire new panel.
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Old 12-23-2007, 06:11 PM   #25  
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http://www.mazdamotorsports.com/

But:

http://www.mazdamotorsports.com/pages/membership.html

Autocross results work fine. HPDE events don't count.

Carbon fiber dash = $1645
Carbon fiber left door = 1064
carbon fiber right door = 981
carbon fiber mazdaspeed front 3413
carbon fiber hood = 2163
carbon fiber rear deck 1045
carbon fiber roof = 4653
carbon fiber right rear door = 1377
carbon fiber left rear door = 1377

lightweight lexan front window = 524
lightweight lexan rear window = 436
lightweight lexan left window = 92
lightweight lexan right window = 92
lightweight lexan LR window = 92
lightweight lexan RR window = 92
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