911R Weight Reduction
01-05-2019 | 09:10 PM
#361
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From: ATL/MSP
BlazinPond: You have chosen four relatively cost efficient/effective areas of weight reduction in Porsche GT cars. Two words of caution, however. First, while magnesium wheels reduce rotating as well as unsprung weight, they are more delicate than aluminum or steel and if you live in an area with very bad roads (e.g., many potholes). I would consider not changing the OE wheels as they are less painful (expensive) to replace if damaged. Second, due to titanium's oxidation temperature (approximately 530 degrees degrees C) it will not have the longevity of a steel or an Inconel system.
I'll hold off on the magnesium wheels for now.
That will allow me focus on the ST carbon ceramic brakes next.
As far as the titanium exhaust, I have the JCR center (silenced) titanium center muffler, just haven't had time to install yet.
I'm going to combine with a Fabspeed steel, valved side muffler bypass, so it should give me good weight savings and sound.
I wasn't planning on doing a header w/ sport cats just yet, since the sound is gonna be pretty loud as is.
I could be wrong, but the JCR center has a lifetime warranty so I wasn't worried about oxidation.
I'll have to check with JCR.
Sorry if I have sidetracked this thread....but again, I appreciate your insights.
01-27-2019 | 03:18 PM
#364
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Brief Update: Aluminum Lithium Front and Rear Brake Calipers ready in 4 weeks; Front and Rear Drop Links in Aluminum and Titanium ready in 6 weeks; Carbon Fiber Air Filter Box, Induction System, and Motor Bracket all ready by April; Inconel and Titanium Exhaust ready by April; Carbon Clutch ready by end of summer; Carbon Fiber Gear Box in design stage.
01-27-2019 | 03:32 PM
#365
Three Wheelin'
Joined: Aug 2015
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From: Illinois
Wow thank you for sharing. That's a lot of fabrication projects running simultaneously. Looking forward to the end product.
Drive safe,
GT3RS-Fan1
Drive safe,
GT3RS-Fan1
Brief Update: Aluminum Lithium Front and Rear Brake Calipers ready in 4 weeks; Front and Rear Drop Links in Aluminum and Titanium ready in 6 weeks; Carbon Fiber Air Filter Box, Induction System, and Motor Bracket all ready by April; Inconel and Titanium Exhaust ready by April; Carbon Clutch ready by end of summer; Carbon Fiber Gear Box in design stage.
01-28-2019 | 01:13 AM
#366
Burning Brakes
Joined: Aug 2018
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Brief Update: Aluminum Lithium Front and Rear Brake Calipers ready in 4 weeks; Front and Rear Drop Links in Aluminum and Titanium ready in 6 weeks; Carbon Fiber Air Filter Box, Induction System, and Motor Bracket all ready by April; Inconel and Titanium Exhaust ready by April; Carbon Clutch ready by end of summer; Carbon Fiber Gear Box in design stage.
01-28-2019 | 02:22 AM
#367
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From: Le Mans, France
) coming Robert!
01-28-2019 | 12:40 PM
#370
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From: Colorado
I have not read this entire thread, but first off what an amazing project, Robert! A thought, and again I have not read all the way through so maybe it was said somewhere. What if you started with one part? This part would hopefully be common across all models, so economies of scale would be more practical. Then select that part based on how cost-effective it would be (cost vs. weight savings), and pick something that is less expensive as well. So people can start buying and commenting on that one item, making how-to videos etc., and get the ball rolling for item #2. I just personally know that I would not go for an entire kit. Too expensive. Just thinking out loud. Amazing project regardless. Good luck!
01-28-2019 | 03:55 PM
#372
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As far as the titanium exhaust, I have the JCR center (silenced) titanium center muffler, just haven't had time to install yet.
I'm going to combine with a Fabspeed steel, valved side muffler bypass, so it should give me good weight savings and sound.
I could be wrong, but the JCR center has a lifetime warranty so I wasn't worried about oxidation.
I'll have to check with JCR.
I'm going to combine with a Fabspeed steel, valved side muffler bypass, so it should give me good weight savings and sound.
I could be wrong, but the JCR center has a lifetime warranty so I wasn't worried about oxidation.
I'll have to check with JCR.
I do wonder which grade he will be selecting for his own Titanium exhaust? I suggest not the material he’s referring to, otherwise as he says, it’ll be a cause for concern from a longevity stand point.
Maybe this explains the recent narrative that ‘titanium exhausts crack’ which so many have mentioned when others discuss our titanium exhaust products?
JC
01-28-2019 | 06:32 PM
#373
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Titanium oxidizes at 530 C and although this can be somewhat retarded by certain coatings and/or certain alloys (e.g., Timet XT) nothing can stop this which, in turn, leads to metal degradation, cracking, etc. In short, titanium, if used correctly, can be reduce weight and is a better insulator than steel or Inconel, but it is not for longevity.
01-28-2019 | 07:30 PM
#375
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JC