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Originally Posted by KevinD
(Post 9612937)
my car is pretty light, i did the aluminum roof, carbon trunk, dry carbon hood, headlight deletes, i made a custom wiring harness for the stock ecu (eliminates the fuse panels and almost all of the wires from the car). two piece AL drive shaft, lexan windows, two peice brake rotors, quartermaster twin clutch (a lot lighter then stock, ACT or exedy twin). removed the dash, one recaro race seat, reworked the steering column (quite a bit of heavy gauge steel for the stock one), gutted doors, fuel cell, etc etc etc etc.... the car weighs ~ 2600lbs with a full NASA spec cage.
my winter project is a custom column and dash bar. i think there is a lot to be had there. mind sharing what you did? is it still adjustable or no. |
Originally Posted by evodan2004
(Post 9612961)
carbon fiber hood/trunk is another great way. Unless, you gut them off all of their framing. I took a used hood and trunk, and gutted all the fiberglass framing from them. My hood weighs in at 10lbs, and the trunk weighs in at 4.5lbs. |
Originally Posted by SmokingTires
(Post 9613103)
Carbon Fiber hoods and trunks (less you buy the single sheet dry carbon) are no weight savings.
Unless, you gut them off all of their framing. I took a used hood and trunk, and gutted all the fiberglass framing from them. My hood weighs in at 10lbs, and the trunk weighs in at 4.5lbs. my fiber image trunk weighs 6lbs. i didn't cut anything. |
Originally Posted by SmokingTires
(Post 9613103)
Carbon Fiber hoods and trunks (less you buy the single sheet dry carbon) are no weight savings.
Unless, you gut them off all of their framing. I took a used hood and trunk, and gutted all the fiberglass framing from them. My hood weighs in at 10lbs, and the trunk weighs in at 4.5lbs. |
Originally Posted by KevinD
(Post 9613637)
My hood weighs 2lb 11oz :). It's just a skin though, it's identical to mark berrys but with slightly less carbon and some honeycomb underneath so it's not to flexible.
I guess I'm just a cheap. Expensive where it counts :D |
I don't have a price Becuase my friend made it for us (and we got mark hooked up as well)
Based off the price of the mold and the fact no one realistically will pull the trigger on such an expensive piece, it would be well over 1000 to make another. Granted we still have the mold ;) |
OP, here is a weight reduction thread with a ton of info in it if you haven't seen it...
https://www.evolutionm.net/forums/in...have-done.html |
Originally Posted by KevinD
(Post 9614876)
I don't have a price Becuase my friend made it for us (and we got mark hooked up as well)
Based off the price of the mold and the fact no one realistically will pull the trigger on such an expensive piece, it would be well over 1000 to make another. Granted we still have the mold ;) I'm dreaming of the budget to buy a light weight rear subframe. Dang those are pretty. |
Originally Posted by SmokingTires
(Post 9614936)
I'm dreaming of the budget to buy a light weight rear subframe. Dang those are pretty. |
Originally Posted by Balrok
(Post 9615063)
Pic/examples?
https://img171.imageshack.us/img171/1406/53888450.jpg I heard 39lbs weight loss. Cost is upwards of $1500. |
I would do driveline weight reduction.I don't know how aluminum hat rotors would in road racing but that would reduce rotating mass some.I had kirkey seats and they weigh in at 15lbs as opposed to the 35lbs plus stockers that's if they are legal in your class.they aren't the worst seats but I wouldn't drive cross country in them.
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Originally Posted by Gordian79
(Post 9615581)
I would do driveline weight reduction.I don't know how aluminum hat rotors would in road racing but that would reduce rotating mass some.I had kirkey seats and they weigh in at 15lbs as opposed to the 35lbs plus stockers that's if they are legal in your class.they aren't the worst seats but I wouldn't drive cross country in them.
How much do these hoods and trunks without bracing flex? I'm guessing hood pins are a must but what about the trunk. I think my A/C is coming out this winter. I would like to get to 2800 in street trim. |
Originally Posted by XcreatonX
(Post 9617437)
How much do these hoods and trunks without bracing flex? I'm guessing hood pins are a must but what about the trunk. https://img11.imageshack.us/img11/509/4hoodpins.jpg https://img535.imageshack.us/img535/2711/cftrunk2.jpg I've never had enough flex to worry about it, but I also don't track day. Just make sure your hood pins are all the way secure or your windshield might get an introduction to your hood... Part of the reason I don't run hinges anymore. (extra weight!) |
What are you putting down for power smoking?
what are you running for a steering wheel. I figure a couple lbs could be had there vs the stocker. |
Originally Posted by XcreatonX
(Post 9618019)
What are you putting down for power smoking?
what are you running for a steering wheel. I figure a couple lbs could be had there vs the stocker. Stock steering wheel weighs very little once you remove the clock spring and air bag. https://img15.imageshack.us/img15/8332/dashod.jpg This picture was taken after just bolting the dash in. I cleaned up the wiring later. |
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