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2017 Camaro ZL1 Beats Previous Generation’s Nürburgring Lap Time

The new 2017  +Chevrolet Camaro ZL1, expected in showrooms by the end of this year, just beat the benchmark set by the last generation ZL1. With a lap time of 7:29.60, it is 11.67 faster faster than the last generation and even beat the last generation Z/28's time of 7:37.9 - which was done on Pirelli P Zero Trofeo R tires, far grippier than the Eagle F1 Supercar used on the ZL1. The car used is unchanged from the one you'll be able to buy, aside from the installation of data acquisition equipment, a roll hoop, and Sparco racing seats with six-point harnesses. Otherwise, the car was production stock and included the following: 6.2-liter supercharged LT4 V-8 making 650 horsepower and 650 lb-ft of torque All-new 10R90 10-speed automatic transmission (set to Track mode to enable Performance Algorithm Shift calibration, providing optimal gear selection without the need to manually select gears) FE4 Suspension with Magnetic Ride Control Performance Traction Managem

Limited Slip Differentials - The Basics

I'm finishing up a comparison post (link to introduction: Intro: Focus RS vs Golf R vs WRX STI vs Evo X ) and, throughout the post, I realized that I have to go off topic a lot to talk about how each type of differential changes the way the car drives. As a result, I thought I'd write a separate post to go into more detail before I post the comparison to keep it more focused on the cars and avoid veering off topic too much. By saying "Limited Slip Differentials" in the title, I am including torque vectoring diffs because, although current conventional terminology treats them differently, a torque vectoring differential is, in essence, a very sophisticated limited slip diff (LSD) that can be manipulated to actively help the car handle better. And while none of the cars in the comparison use open (without help from the brakes) or non-gear mechanical LSD’s, I’ll briefly discuss them so that the post is more inclusive. I’ll only focus on using power to help the

Chevrolet 1LE & Grand Sport - How do they do it? Part 1

Recently, Chevrolets seem to have been punching far above their weights and a lot of people (myself included) are impressed. Sure, Corvettes have always been formidable track cars, but they're low, light, purpose-built, and didn't blow expectations - just provided excellent value. Now, all  +Chevrolet   track cars, especially Camaros, seem to be overreaching and, combined with excellent chassis tuning, have been doing wonders for GM's chassis engineers' image. I decided to take the time and do some research to try and figure out what GM is doing that others aren't (or can't). Before I start, I'd like to point out that this is based only on my own understanding and research, not an interview or publication by GM, so take that for what it's worth. Since I haven't posted about the latest of Chevy's track-focused models/trim packages, I thought I'd first take this opportunity and talk about what you get. Whether you're looking at a Cam

Car and Driver Lightning Lap 2016 - A Closer Look

Where did the time go? I unfortunately missed last year's feature. I did intend to post about it this year but haven't had the chance and it's already time for this year's feature. I thought I'd get this one done first and then go back to last year's (hopefully). The full article for this year's LL is here:  Car and Driver - Lightning Lap 201 6 . As always, my car picks aren't necessarily very quick or slow. They simply did much better or much worse than I excepted them to.  The Highs BMW M2 - 3:01.9 : Last year, a BMW M4 did 3:00.7. 1.2 seconds is all that separate the iconic M4 (an M3 coupe, really.. doesn't that sound better?) from this M2. And that one had the dual clutch transmission and carbon ceramic brakes. Opt for the manual, and you could very well be neck and neck. But you save *ahem* about $30,000 in the process, a little more if you're in Canada. That's what you need to get an M4 with the competition package, dual

2016 Camaro SS vs 2016 Mustang GT - Road Test

If you've come here for a new instrument head-to-head test, I'm afraid you'll be disappointed. Although, for the sake of those who do want numbers, here they are from the most recent Car and Driver comparison test: 2016 Camaro SS 2016 Mustang GT 0-30 mph 1.6 s 1.7 s 0-60 mph 3.9 s 4.4 s 0-100 mph 8.9 s 10.5 s 1/4 mile 12.3 s @ 116 mph 13.0 s @ 112 mph braking 70-0 mph 147 ft 157 ft 300-ft dia.skidpad 0.98 g 0.94 g 610-ft slalom 43.9 mph 43.3 mph For some reason, Car and Driver tested an 8-speed auto Camaro and a 6-speed manual Mustang, so figure you'll lose a tenth or two with a manual; the gap is still clear. The new Camaro SS out accelerates, out brakes, and out grips the new (now almost two years old) Mustang. And I'm not here to tell you otherwise. If you're reading this, chances are, you'v

Mods and Update: Focus RS vs Golf R vs WRX STI vs Evo X

Earlier this month, I introduced the cars that we'll be testing in a comparison. The cars included a Focus RS, a Mk7 Golf R, a 4th gen WRX STI and an Evo X. Unfortunately, the Evo X will not be making it, but the other three are still in, so I thought I'd take some time to post the update and shed more light on the cars. I wanted to have a 100% stock car comparison. I really did. Unfortunately, that isn't going to happen. Well, for most of the cars anyway. The Golf R and the STI are modified, whereas the RS is stock. If you're curious, the Evo X was also modified. All have very few modifications. The Golf R went the way that seems to be very popular - tune and exhaust. It also has an intake. I asked the owner to return the tune to stock, which he agreed to do, and said he might take the intake out too. Exhaust, though, is a lot tougher to get out. He has a full turbo back exhaust so he didn't want to take it out. I can't blame him. As a result, the car wi

2016 Porsche Cayman GT4 - Faultless?

Sitting in the Paddock lookin’ pretty. Picture by Graham MacNeil (Instagram @ns_streetscene)  Driving cars fast is similar to playing and composing music. You can’t produce good music in all genres in the same way. You have to pay attention to scales, beats, appropriate tempo, chords, etc. In much the same way, different types of cars like to be driven differently to reward you. Depending on the handling balance of the car (understeer, neutral, or oversteer), weight distribution, polar moment, yaw axis location, driven wheels, etc. Luckily, I had a chance to find what the Cayman GT4 is like. I was asked to come for ride on track on a lapping day I went to ( lapping day post here ) to ride in a Porsche Cayman GT4. Needless to say, I took it. Although there is a lot you can’t tell about a car from the passenger seat, you can still judge quite a few things. Plus, I have been a passenger in a lot of cars on the track, stock, modified, and built, ranging from humble SRT4's and






Does An Aftermarket Grille Really Increase Airflow?
I put a Saleen S281 grille to the test to answer that question.

Stock Suspension S197 Mustang With Square 305/30/19's
What you need to fit a proper size square tire setup.

How Limited Slip Diffs Make You Faster on Track
What you need to know about how they put power down and pros and cons.

Can Telemetry Explain Schumacher's Talent?
A comparison between Schumacher's and then team mate Herbert's data.






Cayman GT4 Track Review
The first Cayman with proper (911-challenging) power.

Is an EcoBoost Mustang any good on Track?
Two days at the track in a Mustang short 4 cylinders.

2016 BMW M4 DCT Track Review
It's quick (properly quick). But is it fun?

Can a stock Golf Diesel handle a Track Day?
Not your every day track beater.




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The New Mustang Mach 1 Heads to Dealers. Here's why it matters.

No, it's not because it's called Mach 1 or the heritage that comes with the name, although that's pretty cool for Mustang fans. There are few cars out there that have the widespread track use of Mustangs. A combination of affordability, a decent RWD platform with endless aftermarket support and the potential to be competitive when properly set up makes them a staple in most track paddocks in North America. But being popular for track use comes with some headaches for manufacturers. It means that the car will be pushed hard by its customers and that will inevitably lead to discovering weak links .  The vast majority of factory main-stream performance cars have limitations on track when pushed to hot lapping pace. That's not to say they are all equal - some are, without a doubt, far more durable and dependable than others - but nearly all require modifications. Mustangs are no exception. And their popularity also means those weak links are discovered fast, and marketing d

Michelin Pilot Super Sports vs Firestone Firehawk Indy 500 - Street Review

I've been a huge fan of Michelin PSS tires and exclusively bought them for the Mustang over the last four years. So how did I end up here? This year, I was hugely interested in trying an "R-comp" tire. I had my eyes set on Bridgestone Potenza RE-71R's for two simple reasons: price and reputation. Although not a true "R-comp" tire on paper, it performs like one by the account of every single test and review I've read (down to wear rates...). They seem like they're easily the most affordable (from a big brand) R-comp tire and combine that with a reputation for having tons of grip, it was an easy top contender. I had my concerns, though. For one, I'm told and have read that they are an autox tire, not really designed for high speed, pressure, and temps associated with open track. For another, the Mustang is a heavy car (as far as track cars are concerned) being roughly 3,800 lb. (including driver), which will amplify the unwanted open track load

Michelin PSS vs Firestone Indy 500 - Track Review

A couple of weeks ago, I posted my first impressions of Michelin's PSS vs Firestone Firehawk Indy 500 tires. I've run PSS's for several years on the Boss, but I'm trying the Indy 500's for the first time. In short, I was worried about the narrower tires (I was running 285/35/18 PSS but could only find the Indy 500 in 275/35/18) and tread squirm, but I was happy with them up to that point just driving on the street. I had the chance to drive on them for three track days now. So what were they like? After my first session, they made an impression that basically persisted for the rest of track sessions on them. Phenomenal, unmatched value. Now, if value is something that stands out above all else, it typically means the compromise between qualities you want and those you don't is less than ideal, but the value is attractive. This is no different. I'll start with the bad, which really boil down to two: ultimate grip and grip longevity. Grip is noticeably l

Michelin Pilot Sport Cup 2's vs Bridgestone Potenza RE-71R's

I never thought I'd ever run Michelin Pilot Sport Cup 2's on my 2012 Boss 302. The cost is astronomical and they are supposed to last the least of anything comparable. So how did I end up with (nearly) fresh Sport Cup 2's? A complete fluke. I came across a lightly used set with only a few hundred miles and no track time; 305/30/19 takeoffs from a GT Performance Pack Level 2 (GT PPL2). I knew my 71R's were getting very worn before the season started and likely wouldn't last the whole season, even this short one. The price was far better than a new set of RE-71R's, a little more than half, and local Time Attack rules (Canadian Automobile Sport Clubs) recently made 180 and 200 TW tires equivalent, meaning no PAX or PIP point penalty for going with 180 TW tire like the Pilot Sport Cup 2's. I have been very curious about how PSC2's compare to RE 71R's but I stayed away due to their being painfully expensive and, up to last year, their 180 TW rating would