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05-21-2011, 06:46 PM | #1 |
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M coupe on a diet
The table of contents will be updated as items are added to the thread
Table of Contents Post #1 Nav/Stereo delete Post #16 OEM Battery & accessories Post #26 Bulkhead Delete Post #58 "Light weight" battery and bracket Just finished removing the complete navigation/stereo system. There were a lot of questions and speculations about weight, so here is the break down. 04.8 lbs-Harness 01.0 lbs-misc brackets 04.2 lbs-2 Kick panel Speakers 14.2 lbs-2 Rear subwoofers 00.2 lbs-GPS antenna 09.0 lbs-Amps/amp brackets 03.4 lbs-4 mid range speakers 00.2 lbs-2 tweeters 03.6 lbs-GPS/DVD drive 02.4 lbs-Pop-up display 02.6 lbs-Head unit 45.6 lbs total
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LINK TO 06 IB MOD JOURNAL:http://www.zpost.com/forums/showthread.php?t=403119 Last edited by crfine88; 05-31-2011 at 05:29 PM.. |
05-21-2011, 06:54 PM | #2 |
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interesting, why take it out for such minimal weight loss?
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05-21-2011, 07:47 PM | #3 |
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~46 lbs.
So racing type seats; 80lbs for both? Braille battery, 30 lbs? Aftermarket exhaust, 40 lbs? A/C 50 lbs? So, maybe possible to get under 3,000 lbs? |
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05-21-2011, 08:35 PM | #4 |
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That's a decent loss - thanks for the great data. Do you have pictures of the process and the aftermath? I want to keep it all there but see if there is space around the subwoofer for a custom rollbar.
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05-21-2011, 09:17 PM | #5 |
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05-22-2011, 06:36 AM | #7 |
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The Z4M Grand Am car my friend had in 2008 weighed 2900 lbs and that was with anywhere from 50-100 lbs added to it to keep it 2900 - sanctioning body requirement. That was obviously with a roll cage, fire suppression system, dry sump oil system, and cool suit stuff. IF you really want to gut one, lightness is definitely achievable.
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05-22-2011, 01:18 PM | #9 | |
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05-22-2011, 04:32 PM | #11 |
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Now you have a great location for a gauge pod -where nav. screen was
-Can watch the boost rise as well as feel it . -I'm trying to figure our where to mount a boost gague -mounted the ft.splitter yesterday but waiting for my S/C to arrive and install before putting the bumper back on9hopefully next weekend. _ great updates on your ongoing project Wayne |
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05-22-2011, 07:09 PM | #12 |
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Did you add anything back in afterwards (IE headunit or speakers?)
I'm about to put my old girl on a diet once I decide to cut her up for a roll bar, it's amazing how much difference weight makes yet many often overlook it. I've always been one to gut my cars in areas where people least expect it (IE shave foam off the underside of carpet, undercoating removing on the interior, lighter seats, etc).
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05-23-2011, 06:44 AM | #13 |
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conversation with wife:
Me: Shame we are not closer to Cave Creek, AZ. Her: Why? Me: I could swap out my dash and get the built in NAV installed from someone there from the forum. Cost would be well worth it. Her: Thankfully we are not closer to Cave Creek AZ.
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05-23-2011, 07:44 AM | #14 | ||||||||
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I can see what you mean, but 46 pound is significant in my book and the dieting is not finished yet
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nailed it (although I did give myself a 10-15lb +/- ) Quote:
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The gauge pod location in the dash has crossed my mind. Quote:
I have had many of these conversations with my wife
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05-23-2011, 07:58 AM | #15 |
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the only music I ever listen to in the coupe is the S54
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05-23-2011, 08:00 AM | #16 |
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More Dieting
-45.2 lbs Batt.
-06.4 lbs acc's on top of batt. -03.6 lbs batt bracket -55.2 total +15.0 rplc batt + custom bracket 40.2 total weight saved
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05-23-2011, 09:30 AM | #17 |
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Getting ready for beach season?? lol
Good to know how much weight could be lost with such a simple stereo delete. (since I don't have nav to begin with) Agreed A/C should be last thing to go, until it's dedicated...especially in AZ.
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05-23-2011, 02:34 PM | #19 |
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I'm guessing you're going to need to keep that lightweight battery on the charger when off the road though! This is an interesting thread and I'm hoping I can get some ideas for long-term diet projects w/o too much loss in functionality (A/C is a tough delete in AZ for example). |
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05-23-2011, 03:56 PM | #20 |
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Headlight washer system can go also. The pump to the headlights is at the low point in the reservoir though so you can't pull that unless you find a plug. I was hoping to find a reservoir from non-m model but it looks like they also have the headlight washer.
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05-23-2011, 04:24 PM | #21 | ||||
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Good call. I removed this during the Splitter install
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05-23-2011, 07:41 PM | #22 |
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Wow Crfine...how come you haven't pulled the trigger yet and just get carbon fiber body parts. Forget this diet business and go for the serious lippo suction and stomach stapling. Your car will be the monster of a 2600+ lb car with 450HP or more...sorry I didn't follow up on your modification journal, but giving modest numbers...you're probably over 500+ HP now - 1/4 HP for the headers.
I wonder with all of your mods if you're under 3000lbs yet? Very impressive if it already is. OH BTW, losing AC in AZ is insane especially in the summer...that's really dedication for a car...but to each their own. |
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