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Old Mar 11, 2009 | 06:15 AM
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Default Carbon Fiber

Not really sure where to put this because it not technically an engine mod but cosmetic mod of the engine bay. How much more do the Carbon Fiber Engine Covers, Brake and bttery covers as well as intake tube weigh more or hopefully the same as the stock pieces of plastic in our cars? I want to decorate the engine bay a little but not at the expense of adding weight to an already front weight biased car. Sorry for the noobiness of the question but honestly have never even touched the carbon fiber pieces in the past.

Thanks for any help and move to appropriate location if this is not it.
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Old Mar 11, 2009 | 06:34 AM
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nothing you will ever notice
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Old Mar 11, 2009 | 07:30 AM
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So when you say no discernible difference, do you mean there is a difference between 3 lbs to 5 lbs or 3lbs to 8 lbs and that the butt dyno will not register. I ask because my roadster is cow heavy already and though not terribly concerned about small weight gains, don't want to make a bad situation worse.

Last question where the intake tube is concerned will there be any difference in air temp in the tube? I don't want a tube that becomes a hot tube. If no difference then I can sell the Z-tube.
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Old Mar 11, 2009 | 10:01 AM
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Originally Posted by Sunset350ZR
So when you say no discernible difference, do you mean there is a difference between 3 lbs to 5 lbs or 3lbs to 8 lbs and that the butt dyno will not register. I ask because my roadster is cow heavy already and though not terribly concerned about small weight gains, don't want to make a bad situation worse.

Last question where the intake tube is concerned will there be any difference in air temp in the tube? I don't want a tube that becomes a hot tube. If no difference then I can sell the Z-tube.
no, i am saying that there is no difference that you should even be worried about when it comes to those parts. it will not make a difference at all. as for the tube question, there will always be a difference with the air inside the tube as opposed to the outside, no matter what you got.
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Old Mar 11, 2009 | 11:08 AM
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Your answer is a little vague at best. Do the Carbon fiber pieces weigh more than the plastic oem pieces already donre on the car. If they weigh more how much more. If you don't know that is cool also.

Last edited by Sunset350ZR; Mar 11, 2009 at 02:38 PM.
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Old Mar 11, 2009 | 11:18 AM
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if you took a large dump, it would make more of a difference. lets even say its 10 pounds more... it will not make any noticeable difference!
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Old Mar 11, 2009 | 12:21 PM
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I'm sure they are roughly the same in weight.
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Old Mar 11, 2009 | 12:24 PM
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Originally Posted by Nexx
if you took a large dump, it would make more of a difference. lets even say its 10 pounds more... it will not make any noticeable difference!
I love this response!!!! Great answer....
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Old Mar 11, 2009 | 12:35 PM
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As a roadster owner, well aware of our pig's weight, I wouldn't worry about it. If you want it, get it. Don't let weight be a deciding factor.
-S (Has CF Engine Cover, looks nice through the vent in the CF hood)
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Old Mar 12, 2009 | 03:32 PM
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The only reason to be concerned about weight difference is for performance reasons (unless gas mileage is a consideration)… With that, if you are concerned about saving weight for performance you should have never got a convertible.

In any event carbon fiber is generally as light or lighter than plastic composites… but the items you are referencing (engine cover, intake tube and battery cover(s)) are so light to begin with that each piece would be ounces in weight difference.

So the bottom line is, NONE - it simply doesn’t matter. There are SOOOO many other WAY more important things to consider for performance before saving weight… and once you are tapped out in those areas, there are WAY bigger areas of weight savings to consider other than these measly pieces.

As to air temps… plastic and CF are both decent at not conducting heat… so either would be fine. It is not likely that either would show significant measurable loss or gain in intake temps.

So to summarize – forgot about how much they weigh and how much more/less heat they will absorb – if you like the way they look buy the things and be done with it. If you want a light-weight track car – sell the heavy pig and buy something else.
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Old Mar 12, 2009 | 07:25 PM
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Originally Posted by OCG35
The only reason to be concerned about weight difference is for performance reasons (unless gas mileage is a consideration)… With that, if you are concerned about saving weight for performance you should have never got a convertible.

In any event carbon fiber is generally as light or lighter than plastic composites… but the items you are referencing (engine cover, intake tube and battery cover(s)) are so light to begin with that each piece would be ounces in weight difference.

So the bottom line is, NONE - it simply doesn’t matter. There are SOOOO many other WAY more important things to consider for performance before saving weight… and once you are tapped out in those areas, there are WAY bigger areas of weight savings to consider other than these measly pieces.

As to air temps… plastic and CF are both decent at not conducting heat… so either would be fine. It is not likely that either would show significant measurable loss or gain in intake temps.

So to summarize – forgot about how much they weigh and how much more/less heat they will absorb – if you like the way they look buy the things and be done with it. If you want a light-weight track car – sell the heavy pig and buy something else.
I love how people want to tell me what I should have doe with my money. I bought a ZR because I wanted the lightest ZR they make. If I wanted it to weigh as much as a Touring, I would have bought a touring. Having said that I am also glad you answered my question. That is all I wanted someone to tell me in the first place was how much difference there was in in a quantitative manner. Thank you! As for a track car if I so choose I can roll my Track model coupe for that if I choose. I love how people want to tell me what I should have doe with my money. I bought a ZR because I wanted the lightest ZR they make. If I wanted it to weigh as much as a Touring, I would have bought a touring. Having said that I am also glad you answered my question. That is all I wanted someone to tell me in the first place was how much difference there was in in a quantitative manner. Thank you! As for a track car if I so choose I can roll my Track model coupe for that if I choose.

So in short thank you for the answer. As for my pig, it handles better than most of your so called coupes and why would I mess that up.
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Old Mar 12, 2009 | 07:33 PM
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the small amount is insignificant, 30 pounds is even noticeable. once you start shedding 100,200 lbs, youll notice. the most important factor isnt just removing the wieght, but maintaning the cars balance (53/47 f/r)
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Old Mar 12, 2009 | 07:38 PM
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Old Mar 12, 2009 | 07:41 PM
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I agree and actually have not remved much weight and have kept things close to stock weight and location. It really not all that important I just did not want to add any more weight to the car.
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Old Mar 12, 2009 | 07:41 PM
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This guy is annoying...
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Old Mar 12, 2009 | 09:18 PM
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Originally Posted by Sunset350ZR
I love how people want to tell me what I should have doe with my money. I bought a ZR because I wanted the lightest ZR they make. If I wanted it to weigh as much as a Touring, I would have bought a touring. Having said that I am also glad you answered my question. That is all I wanted someone to tell me in the first place was how much difference there was in in a quantitative manner. Thank you! As for a track car if I so choose I can roll my Track model coupe for that if I choose. I love how people want to tell me what I should have doe with my money. I bought a ZR because I wanted the lightest ZR they make. If I wanted it to weigh as much as a Touring, I would have bought a touring. Having said that I am also glad you answered my question. That is all I wanted someone to tell me in the first place was how much difference there was in in a quantitative manner. Thank you! As for a track car if I so choose I can roll my Track model coupe for that if I choose.

So in short thank you for the answer. As for my pig, it handles better than most of your so called coupes and why would I mess that up.
you aren’t the sharpest knife in the drawer are you...

1) I wasn’t telling you how to "spend your money" - I couldn’t care less how you waste it. I was responding to your question (in case you forgot your own question, read post # 1)

2) its clear you are a little behind your own brain - by the reiteration within the post of yours I'm responding to.

3) I'm not a coupe (as indicated by your response to my post) - I am a sedan that will run circles around you on a road course and at least .4 seconds on you in 1/4 mile.

I took the time to answer your silly question about pointless weight concerns from meaningless parts - and I don’t appreciate your asinine response. If you are to continue your mundane nonsensical thread, do so without quoting me or I will continue to remark on the idiocy of your posts… If you were truly concerned about the weight of a simple induction tube, engine and battery cover a simple “thanks” would suffice. The rest only reads as a challenge (whether your own mental challenge or a VQ challenge, it's in the eye of the reader - to me it's both).
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Old Mar 13, 2009 | 05:09 AM
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Originally Posted by Sunset350ZR
Having said that I am also glad you answered my question. That is all I wanted someone to tell me in the first place was how much difference there was in in a quantitative manner.
huh? your question was answered numerous times in this thread, starting with post #2. not my fault you have comprehension issues. he didn't answer your question, he repeated what was already said

Last edited by Z04; Mar 17, 2009 at 02:57 AM.
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Old Mar 13, 2009 | 10:41 AM
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Sorry for the machine gun post above as all of it was not intended for evryne but as I do not have time to toch on every subject here goes quickly. I wouldn't notice or nothing I should worry about is not quantitative. OCG35 you seemed to say i should have bought something besides a roadster if I was concerned about weight. If that's not what you intended my bad. If you took my statement as a challenge to you then, then you took my statement as it was to you and it was to no one in general. As to whether it can compete against your specific car, I have no idea. My statement was simply that its capable of cmpeting with all the NA Z/G around here that are NA. In other words have not beeen blown out yet. Everyone have a niice day and again thank you fr the information . As far as I am concerned, it is done.
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Old Mar 16, 2009 | 10:29 PM
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Originally Posted by OCG35
you aren’t the sharpest knife in the drawer are you...

1) I wasn’t telling you how to "spend your money" - I couldn’t care less how you waste it. I was responding to your question (in case you forgot your own question, read post # 1)

2) its clear you are a little behind your own brain - by the reiteration within the post of yours I'm responding to.

3) I'm not a coupe (as indicated by your response to my post) - I am a sedan that will run circles around you on a road course and at least .4 seconds on you in 1/4 mile.

I took the time to answer your silly question about pointless weight concerns from meaningless parts - and I don’t appreciate your asinine response. If you are to continue your mundane nonsensical thread, do so without quoting me or I will continue to remark on the idiocy of your posts… If you were truly concerned about the weight of a simple induction tube, engine and battery cover a simple “thanks” would suffice. The rest only reads as a challenge (whether your own mental challenge or a VQ challenge, it's in the eye of the reader - to me it's both).
We really are happy to have you aboard. Fine display...



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