Weight Reduction

Jmatchley86

while your at it fill the titanium tubes with helium for extra lightness

Rusty

Porsche used to fill the chassis tubes on the 917 racer with N2 and had a gauge on the dash. If the gauge dropped pressure. The chassis had a crack and would fail in short time. Causing an accident. So it gave the drivers a chance to slow down.

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浪人 - 殺し屋
"The Difficult Anytime, The Impossible By Appointment Only"
http://www.the370z.com/members-370z-...o-journal.html

victorofhavoc

That. Is. Amazing. And absolutely genius.

Happy holidays!

__________________
Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z!

Rusty

Back in the 70's. Some Nascar crews chiefs used to stuff extra fuel line in the chassis. Sometimes being able to add another 3~4 gallons of fuel. This would give them another lap or two before pitting.

__________________

浪人 - 殺し屋
"The Difficult Anytime, The Impossible By Appointment Only"
http://www.the370z.com/members-370z-...o-journal.html

victorofhavoc

I'm in full support of this idea!

__________________
Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z!

Wigjiggy

I spent a lot of time stripping out weight, just to gain a LOT of it back with the monster cage, fire system and cool shirt. Still ST3/TT3 HP/weight ratio with NASA, but always looking for additional weight reduction. Looks like my best option now is to hit the New Years resolution hard and loose some driver weight.

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03threefiftyz

You could probably drop another 10-15lbs overall by pulling out the door bars since you have NASCAR bars....

Wigjiggy

Good point. I’ll look at that today. Thanks.

03threefiftyz

These are my doors fwiw...~4lbs each:

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Wigjiggy

Very nice. Since the doors on the 370z are aluminum, I’m thinking that going to carbon wouldn’t get me a whole lot of weight saving. Same thing with the hood and rear hatch. How much do your doors weigh?

victorofhavoc

What carbon doors are you using? Or did you just make your own from an oe two piece mold?

__________________
Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z!

03threefiftyz

I'm not sure he is still actively making 350/370z parts, but...
https://www.exact-performance.com/exact-performance

He has his hands full being the official McLaren Body Repair guy for the Chicago area. Though that should give you some level of indication to the quality of his carbon work.

victorofhavoc

With a full cage, your definition of "door" could be quite malleable, wigjiggy. All you need is a shape/contour, a hinge, and a "lock". This could be just a two layer carbon or Kevlar laminate and weigh 3-4 lbs or less. The locking and hinge mechanisms don't even need to be structural so you could shave some grams there...

__________________
Had a 2010 WRX- boy was it quick in a straight line, got a 2014 Z- man is she grippy in the corners-- then left the Z and later got a GTI, now back in an 09 racecar Z!

Wigjiggy

Good point. Thanks. I may start by just cutting as much as possible out of the door. Then weigh it and determine if a switch to CF is worth it.

Wigjiggy

I’ve also seen guys cut a LOT of the interior structure out since the cage is now there to support it. I’m a little leery of that.