Nissan 370Z Forum

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-   -   The 370Z Weight Reduction Thread (http://www.the370z.com/exterior-interior/1010-370z-weight-reduction-thread.html)

synolimit 11-05-2013 11:38 PM

Quote:

Originally Posted by travisjb (Post 2546224)
Very much agree... plus you may find yourself in a class later on where you need to ballast weight for that class. Plus that cage may be involved with saving your life someday... :)

It'll be beefy.

bleunetizen 02-13-2014 07:54 AM

Quote:

Originally Posted by synolimit (Post 2543003)
Just weighed in at 3083 lbs fully fueled. So I'm under 3k with a empty tank (2965) so I can now use DOM 1.75x0.095" steel for the roll cage. However rules say I could also use DOM 1.5x0.12" or DOM 1.625x0.12". But based off of a simple calculation I believe the area of the steel is not only the smallest in the 1.75x0.095" which should be the lightest, but it's also the strongest based off of I(cm^4).

I still want a lighter flywheel and rotors but I'll still be away from 3k fully fueled by 31.5 lbs. I need to find that some where.

O forgot about a racing seat. Might get 10+ pounds there plus the drivers seatbelt minus the difference of a racing seatbelt.


great stuff, that is a lot of weight saving:tup:

what have you changed/removed from a stock form so far? Tried to find out myself by reading your posts but all I can clearly see was the battery.. :rolleyes:

wstar 02-13-2014 08:13 AM

If he's getting down to the ~3K range, it's probably already substantially converted to track-only form. You don't really get down that far without gutting most of the non-essential stuff (like basically all of the interior, audio system, ac/heat, airbag system, etc)

SPOHN 02-13-2014 10:32 AM

I want to go with a fuel cell. Get rid of the OEM tank. Put a 10 gallon tank to save weight and get better weight distribution from front to rear. Which is WELL needed on our cars.

Kingbaby 02-13-2014 02:23 PM

feeling lazy...

let's talk glass removal and replacement options

I've read that lexan is great obviously but any longtime users in here? Can you go over the yellowing/scratching/visibility and whether or not you have a garage or not.

looking to purchase from this site which offers z33/z34
Lexan Windows Webshop Home page Lexan Windows Webshop

SouthArk370Z 02-13-2014 02:43 PM

Quote:

Originally Posted by Kingbaby (Post 2692122)
... I've read that lexan is great obviously but any longtime users in here? Can you go over the yellowing/scratching/visibility and whether or not you have a garage or not. ...

SPOHN claims to have changed out the back glass for Lexan.

Lexan tends to break down (craze) from UV exposure, so Plexiglas, with its' greater resistance to UV, may be a better choice. YMMV

KaienZ34 02-13-2014 02:50 PM

Just from what my cousin tells me who flies helicopters, he said the lexan on them gets super brittle after a short amount of time because of the sun and whatnot. I'm sure if your z lives in a garage or is covered most of the time you should get more time out of the lexan than the copters do.

Kingbaby 02-13-2014 04:32 PM

thanks guys and that's what I've read from the Shelby guys on the kit cars...just looking for more real world use!

wstar 02-13-2014 06:50 PM

Quote:

Originally Posted by SPOHN (Post 2691762)
I want to go with a fuel cell. Get rid of the OEM tank. Put a 10 gallon tank to save weight and get better weight distribution from front to rear. Which is WELL needed on our cars.

Yeah but the stock tank is low. If you put a fuel cell up in the rear body, you're raising the fuel weight higher, raising CG. Also, even though we want to shoot for even front/rear distribution, I suspect moving weight from the center outwards, even to the rear, isn't a net win. It's still a larger goal to keep the weight centered to make the car more-stable, whereas weight at the edges is like a pendulum. I don't know all the factors and how they play out relative to each other, but just things to consider...

Quote:

Originally Posted by SouthArk370Z (Post 2692156)
Lexan tends to break down (craze) from UV exposure, so Plexiglas, with its' greater resistance to UV, may be a better choice. YMMV

On the other hand, Lexan is much, much tougher and more impact-resistant. Something to think about with rocks and hard chunks of rubber flying at the window, and especially something to think about in a wreck.

SPOHN 02-13-2014 06:55 PM

Trust me. It wouldn't just be placed in the rear. I've seen another 370Z where the whole rear section cut and removed with rear cage in place. The fuel cell would be lower than stock

Shamu 02-13-2014 07:47 PM

:tiphat:n
Quote:

Originally Posted by SPOHN (Post 2692390)
Trust me. It wouldn't just be placed in the rear. I've seen another 370Z where the whole rear section cut and removed with rear cage in place. The fuel cell would be lower than stock

Really where?:hello:

http://lh4.googleusercontent.com/-2u.../IMAGE_106.jpg

I'm headed below 2600 lbs at that's with huge wheels and tires and a 26 gallon fuel cell. .......Buhahaha

josemartinrea 04-17-2014 07:35 AM

Old post I know, but were the SPL rear camber arms actually LIGHTER than stock arms?

DR_ 04-17-2014 08:30 AM

Quote:

Originally Posted by josemartinrea (Post 2784026)
Old post I know, but were the SPL rear camber arms actually LIGHTER than stock arms?

No.

josemartinrea 04-17-2014 07:27 PM

Quote:

Originally Posted by TerribleONE (Post 24051)
can the roof of this car even be replaced? the hatch may save some weight.. but sadly the hood only saves MAYBE 3 pounds.. because it is already aluminum.. at least this is the case on the G37 and the 370z also has an aluminum hood.. but every pound counts in the long run..

The roof has been replaced. Chris Forsburg did it in his Formula D Z.

dimitarm 07-09-2014 08:09 AM

2 Attachment(s)
Hello,
Just recieved the Amuse type 1 harness bar and the GTSPEC 4 Point Rear Strut Bar B-Pillar Cage.

Weighted them and the results are:

Amuse type 1 harness bar: 6.0 kg.

GTSPEC 4 Point Rear Strut Bar B-Pillar Cage: almost 6 kg including all the hardware.
Only the 3 tubes without hardware for installation: 5kg.


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