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While it doesn't sound like it - might that delay valve also have some function tied to the very annoying "Rev-Hang"? I'd sure like to get rid of that.

Thanks - probably an incredible amount of great information in this file. But it's 11,000 pages! Suggestions on how to find things or search for specific topics would certainly be appreciated!!

As all track drivers quickly learn - old brake fluid can be a real problem. Learn how to bleed brakes (and replace fluid) yourself, and do it before every track event. I know people who even do it again at lunch time. Severe brake fade often gives you very little warning - and can be a most...

That's an interesting point. Anyone riding in that middle seat without a belt, shoulder harness, (wonder if there is any airbag difference) would be vulnerable in a crash. Since it's all about the money, who (what person or insurance company) would be responsible for the medical bills? The...

I avoided driving my new ITS until the PPF / Ceramic coating was completed. First time I've ever purchased it. Had the normal front bumper, fenders, hood, mirrors, rear deck done, plus added the rockers & B pillar area. Ceramic coating applied, including extra cost for wheels. Truthfully, I...

It was the first thing that got turned off during my initial test drive. In fact, the sales guy did it while I was driving - haven't touched it since. I learned to heel & toe years ago and have several manual transmission cars - so prefer to keep them set-up the same. What I would REALLY like...

Thanks for the EE link on Rev Hang!!! Jason is the #1 creator of excellent technical automotive web content - I know of no one else with his ability to explain complex mechanical issues. He is the best. But this video spends most of its time justifying electronic throttle bodies (which have...

The "Rev-Hang" you describe (RPM increases when UPshifting) is in my opinion a design flaw that apparently is common in Honda and perhaps also other Japanese vehicles (I noted it in an Infinity several years ago). No one has yet explained why they chose to do this. It would seem to be...

If something as stupidly simple as a pipe made any significant difference -- the factory engineers would have put one on. They go to great lengths to gain HP, driveability, reliability, and sound. But if you think it looks pretty - then by all means, go for it.

Still having an old MKV GTI daily driver / winter car, I have always enjoyed Charles' videos. A very skilled and entertaining guy. Seems odd that he's dumping his Golf R. Wonder what the real reason is?? Anyway, I was unable to find a 6 speed MK8 Golf R without big dealer mark-up and a long...

In the meantime, you could try touching it up with an appropriate color Sharpie.. Not very permanent, though.

Above illustrates the basic problem I have with many mods. They tend (for financial and time reasons) to be done in isolation, when you really must treat the car as a complex interaction of many systems. It's almost impossible to equal the expertise and development time invested by the factory...

An important piece of equipment for any serious race team is a tire pyrometer. But that assumes you have enough suspension adjustability to attempt equalizing temperatures across the tire tread face - usually measured in 3 places - center and each outside edge, of each tire (12 measurements)...

It's a personal preference. I'll probably keep the car a long time, and early engine break-in simply seems like a smart thing to do. Some performance car manufacturers provide official guidelines (couldn't get any information from Acura), some even have electronic RPM limits enforced by the...

I still have less than 1000 miles on my car. As such am still limiting maximum RPM to 4500. This "rev-hang" defect is the most annoying thing about the car. Perhaps it's something that I'll "get used to", but this 500 RPM over-rev represents a serious design flaw that will result in excessive...

Have you checked the Department of Transportation website for your State? Here in Wisconsin, window tint is quite clearly defined - Red, Amber, and Yellow tint is NOT legal. The degree of tinting allowed for each window location is clearly identified and varies from 50% to 5%. The only...

Guess I'd run the 93 octane ..... but that said, I sure hate ethanol fuel and won't use it in any power equipment, like mowers, snowblowers, etc. And regarding "Top Tier", I suspect that's mostly a marketing term attempting to differentiate between commodity products from different vendors. If...

Will be interested if the poor sots who chose to live in California (without 93 octane fuel and many other conveniences) have any local access to leaded 110 octane race gas?? We can still buy it here in the midwest at a few stations, but I'd be very surprised if it can be found in CA! Perhaps...

I will argue with your about this rev-hang problem. It really is hurting something. When up-shifting during spirited acceleration, one wants engine RPM to drop a suitable amount to match what is necessary for smooth engagement of the next gear - probably dropping about 500 RPM. But my ITS...

Don't forget -- the car comes with Summer only tires that are not suitable for freezing temperatures. So you will need another set of wheels, tires, and (I believe) TPMS sensors. Or you will have to swap the OEM Summer tires for All Seasons.