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Search found 261 matches

by j-c-c
Wed Jan 13, 2021 9:08 pm
Forum: Engine Tech
Topic: Cool can
Replies: 7
Views: 492

Re: Cool can

I'll stick my toe in first, before others much more experienced can comment. Although it might add "slightly" to lower mixture temps, I suspect the reduction in atomization will out weight the cooler charge air temp benefits. I always thought the cool can was more of an outdated band aid for other f...
by j-c-c
Sat Jan 02, 2021 11:05 pm
Forum: Chassis / Suspension / Body
Topic: Titanium Rotors
Replies: 6
Views: 211

Re: Titanium Rotors

Yes, you are correct about that they operate at a higher temp, and pads/fluids selected need to be up to the task, but pads are cheaper then the rotor, and the weight savings is significant over iron, and with higher temp delta, cooling ducts are that much more effective. Basically same as CF rotors...
by j-c-c
Sun Dec 27, 2020 4:26 pm
Forum: General Tech
Topic: Push to pass legislation to save our race cars this session
Replies: 9
Views: 479

Re: Push to pass legislation to save our race cars this session

If we want to save racing, we need to do every thing in our power to keep the Democrats from winning the 2 Senate seats in GA. If you live in GA, it's not enough to just vote, you need to get everyone you know to vote for the 2 Republicans. Drive your neighbors to the polls. If they're allowing vot...
by j-c-c
Wed Sep 30, 2020 11:12 am
Forum: General Tech
Topic: Comparative strengths
Replies: 15
Views: 590

Re: Comparative strengths

I really got a lot out of the longer version: https://youtu.be/KHXVf0SaJpA such as the pros and cons of the different classes: S & E Glass, Kevlar 49 & 29, high-tenacity carbon (which corrodes steel and aluminium; therefore use titanium fasteners) So, one really needs to know the application (requi...
by j-c-c
Sat Sep 26, 2020 10:22 am
Forum: General Tech
Topic: Comparative strengths
Replies: 15
Views: 590

Re: Comparative strengths

Kevlar is heat-resistant and used in some fire-fighter uniforms. Natural rubber begins to melt at approximately 180 °C (356 °F). The point I was trying to make is that Kevlar is stronger, yet one only hears of carbon-fibre manufacturing these days. Carbon-fibre must be cheaper than Kevlar. Well nom...
by j-c-c
Wed Sep 23, 2020 8:57 pm
Forum: General Tech
Topic: Comparative strengths
Replies: 15
Views: 590

Re: Comparative strengths

I would think a road rash important material attribute would be low heat transfer/resistance, and maybe with an ablative contribution, like maybe nomex?
by j-c-c
Mon Aug 17, 2020 9:42 pm
Forum: Engine Tech
Topic: Motor for an Ultima
Replies: 68
Views: 2165

Re: Motor for an Ultima

The power won’t be usable on the street of course, track only. Even there, probably not fully usable until at least third gear. But once a bit past 100mph the aero bits really start to work, drag goes way up, and once above 130 or so the really fast cars start to distinguish themselves. Below 100, ...
by j-c-c
Mon Aug 17, 2020 1:23 am
Forum: Chassis / Suspension / Body
Topic: aerodynamic drag and body style
Replies: 7
Views: 489

Re: aerodynamic drag and body style

First, in this context I define a rear spoiler as an aero device that actually "spoils' air flow, and that disruption causes a local air pressure increase upstream, acting normally on a flat/slightly sloping horizontal surface, with the main intended result, greater DF. The biggest downside is incre...
by j-c-c
Mon Aug 17, 2020 12:53 am
Forum: Engine Tech
Topic: Motor for an Ultima
Replies: 68
Views: 2165

Re: Motor for an Ultima

The OP's project is really cool. I can't imagine how though 800hp? in that car can be put to the ground on the street. On a motor, can't see a flat torque curve requirement really needed, yes traction control a must, but then that kills a lot of the fun. Being a mopar guy, The V10 is enticing, but w...
by j-c-c
Sun Jul 26, 2020 12:39 pm
Forum: Engine Tech
Topic: is cheap oil that meets spec (SM) really cheap?
Replies: 26
Views: 3095

Re: is cheap oil that meets spec (SM) really cheap?

Didn't see on the reply with 86 different oils any "cheap" oils, which was the OP's question. Besides numerous vehicles with over 100,000+ miles over many decades to form a real life opinion on with street driving, current test model has 500K+, never been opened, doesn't burn enough oil to even thin...
by j-c-c
Sat Jul 11, 2020 8:05 pm
Forum: Forum Help / Questions / Tips
Topic: Every thread in Politics / Religion / Current Events forum is locked?
Replies: 21
Views: 908

Re: Every thread in Politics / Religion / Current Events forum is locked?

I disagree! I come here to get the real news and not the crap that the ones controlling the MSM want to stick up my as*!! I try NOT to diss. anybody as well as to contribute to all of the tech sections. I hope that I do contribute to all of them because of no more than my AGE!! I am now an old man ...
by j-c-c
Sat Jul 11, 2020 7:33 pm
Forum: Offtopic Forum
Topic: Politics / Religion / Current Events forum.
Replies: 7
Views: 525

Re: Politics / Religion / Current Events forum.

pdq67 wrote: Fri Jul 10, 2020 6:45 pm Why is it locked?

I don't monitor MSM news in any form because I get my news from places like this site..

I figure its more honest is all.

pdq67
:lol:
by j-c-c
Tue Jun 30, 2020 7:47 pm
Forum: Chassis / Suspension / Body
Topic: Wheel nuts.
Replies: 12
Views: 602

Re: Wheel nuts.

Chris, no need for an argument, but I could/like say I miss stated "F" for "C" but that would be incorrect, if 50% is indeed the magic number in this discussion, the link below is close to 200C or 392F, which I think I/we can agree is outside almost any street encountered lug nut concern. However th...
by j-c-c
Tue Jun 30, 2020 3:07 pm
Forum: Chassis / Suspension / Body
Topic: Wheel nuts.
Replies: 12
Views: 602

Re: Wheel nuts.

Absolutely Not on a street car in regards to "should", regarding "can", maybe, but why? Also remember, at only 200F, alum has almost lost 50% of its strength. Factory installed on many Porsche's since the 80's. 928's and 911's. And being that there are many different grades and heat treatments stat...
by j-c-c
Mon Jun 29, 2020 10:00 am
Forum: Chassis / Suspension / Body
Topic: Wheel nuts.
Replies: 12
Views: 602

Re: Wheel nuts.

Absolutely Not on a street car in regards to "should", regarding "can", maybe, but why?
Also remember, at only 200F, alum has almost lost 50% of its strength.