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Beginning an all carbon fiber Crossfire

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Old Jun 10, 2021 | 11:19 PM
  #41 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire

I'm a little disappointed that I was only able to drop 8 pounds on the driver door. Two things are true on race day. Need the windows down and can't run AC on the track pavement. This means I don't need the glass windows or it's power windows parts.
Picture before sanding and buffing the red carbon kevlar door:

Did you known the OEM door is 55lbs?

Now the passenger door doesn't need to open at all. That means it will be lighter.
 
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Old Jun 11, 2021 | 08:16 AM
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Default Re: Beginning an all carbon fiber Crossfire

Why heat shield the hood? Won't it keep more heat in than out. The cooler the engine bay the better, or will the carbon fiber without the installation act as a heat sink and maintain too much heat? On the original fitment there is a seal that runs from side to side across the back of the engine bay. I wonder if the removal of that rubber seal would help move air out of the engine bay and thus help with a cooler engine compartment. The lower edge of the windshield is generally a low pressure area.

PS. I like the GRASSROOTS MOTORSPORTS decal, I'll be looking in the magazine for your picture.

Originally Posted by psuperti
I have two weeks to finish this and a door than it's autocross time. I'm depending on weight loss and a couple of new nitrous controllers to make up .900 sec on a 55 sec lap.

Heat shield 6 pounds

Heat shield self-stick


I F2j5⁵
 

Last edited by zip439; Jun 11, 2021 at 08:19 AM.
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Old Jun 11, 2021 | 12:47 PM
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Default Re: Beginning an all carbon fiber Crossfire

On the original fitment there is a seal that runs from side to side across the back of the engine bay. I wonder if the removal of that rubber seal would help move air out of the engine bay and thus help with a cooler engine compartment. The lower edge of the windshield is generally a low pressure area.
I tried that a few years back, didn't seem to effect engine / IAT temps, but it worked real well to put oil mist on the windshield
 
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Old Jun 11, 2021 | 01:51 PM
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Default Re: Beginning an all carbon fiber Crossfire

I know your car doesn't leak oil George.
 
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Old Aug 5, 2021 | 09:50 PM
  #45 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire

Originally Posted by ala_xfire
I tried that a few years back, didn't seem to effect engine / IAT temps, but it worked real well to put oil mist on the windshield
I took that rubber piece out. Yes on the new hood air flows out from there In fact I had to fasten the hood with 10 different spots. It wants to fly off because the headlights are open to get more air in. But it's summer the cars seats waiting in line at the hot track. Feels like 103f.
 
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Old Aug 5, 2021 | 10:16 PM
  #46 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire

Update on this light-weight project I have removed the charcoal canister. Because I already bought this 2 times over the 16 years of ownership. Anyway, it's 8lbs. I have heard that someone removed all the lines to and plugged off the intake manifold. I don't know how to do that but thus far I took care of the check engine light with my Porsche Carsoft 2 diagnostic tool.

My sponsor took this picture right before my new headlights were switched out. These are the honda atv 1000 series.


@Supertiracing.club

 

Last edited by psuperti; Aug 5, 2021 at 10:21 PM.
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Old Aug 13, 2021 | 10:05 PM
  #47 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire

The carbon fiber side mirror arrived from Asia. $107

Also I finished the Racing decals on the carbon kevlar door.


Real carbon fiber mirror. Btw had to install 6" higher.
 
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Old Aug 13, 2021 | 10:06 PM
  #48 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire


I don't talk about dynos only lap times
 
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Old Aug 29, 2021 | 10:53 PM
  #49 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire

I don't think anyone will like what's going on inside the car. The carbon changeover on the interior is a big job. Having said that the carpet was 8lbs with the foam included. The plastic pieces were moving and tabs broken to the point of either buy it all or have none at all. If that makes sense, lmk.
Anyway, I had to carbon craft the center console higher from the exposed bare metal to cut into for pocket and cup holders.

Here are the gains:
-My rear 11lbs battery has a slot in the center console (next to battery disconnect switch).
- 2 carbon cup holders with phone slot (picture provided at earlier post).
- Clean space for a 6 gand switch circuit relay hub. Here they are identified as Nos1, Nos2, city fuel pump 1 and race pump 2 (fuel cell), engine bay blower fans and exhaust cut-off switch (this is to open the exhaust flaps).
- 3 USB slots. For Bluetooth TPMS, seat coolers, and GoPro camera.
- Mounted fire extinguisher by my hand.
- Mounted small nitrous bottle NX incognito kit.
- On the dash, used the faux carbon piece from Benz SLK 320. It was mounted on a new crafted carbon dash.
- Placed a detachable 11" Android Tablet with built-in speakers (the only speakers) and Bluetooth. Running Dash Command on it. Might need it to play race track radio.
- By the headlight switch, add 2 momentary on-off metal buttons Nos activation buttons and 1 purge.
- Deleted glove box..
- New floors.
- craftedvthe knees dash panel, side walls that helped in mounting 5 point seat sit belt kit.
-Lost more more weight as the plastic trim was heavier.
That was all business, keep reading if you have a sense of humor. Thx
- Got a little tired 😫 of so much boren work and bought an Abarth 124 spider with turbo and proper limited slip differential.
- I felt that it was only good at autocross so I bought the Mustang GT S550 and gave it 600 hp.
- Decided to not mess with the Panamera Turbo's low oil pressure and went back to the Crossfire and will replace the injectors and put on colder spark plugs.
-On break from carbon fiber and waiting on Abarth's sway bars.
-.



1st stages of getting a cf floor

 

Last edited by psuperti; Aug 30, 2021 at 11:46 PM.
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Old Oct 21, 2021 | 10:36 PM
  #50 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire

News:
the car feels front heavy. I since re-installed the rear wing, and re-installed the fuel cell in the trunk. I'm taking the front coilovers off and re-installing the Koni sport shocks theses had added 22 pounds. The passenger door will be 5lbs and fake. That door is 68 lbs with glass and speaker.

Here is a video the car is clearly faster, it arrives at every turn with higher speed and stops with ease. Without the above changes I had to press the gas completely different to get the car to balance at the slalom and 3 other turns that the car would loose grip at the rear. One oversteer turn is captured on the video. The nitrous laps adds steroids to the rpm range. I set the nitrous at 3300rpms 75 shot but 125 of the line. Enjoy btw my Porsche complications are on the video as well.

 
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Old Oct 22, 2021 | 12:21 AM
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Default Re: Beginning an all carbon fiber Crossfire

I like those mirrors a lot!
 
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Old Oct 22, 2021 | 08:10 AM
  #52 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire

Nice video. Thank you for sharing. NO sway on the Crossfire; impressive!
 
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Old Oct 22, 2021 | 08:30 AM
  #53 (permalink)  
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Default Re: Beginning an all carbon fiber Crossfire

What are your corner weights looking like after all of this work?

 
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Old Oct 24, 2021 | 01:01 PM
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Default Re: Beginning an all carbon fiber Crossfire

Thanks guys.
it's going to be a while to get the corners' weight. I'm modifying a Fiat Abarth Spider 124. also a Miami Vice boat replica.
 
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