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GTR vs Evo X vs STI: which has the best AWD system?

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A few weeks ago, I made a post explaining mainstream AWD system types and how they compare, pros and cons, etc. including some simple diagrams to show where the power goes and how much. As promised, this post will focus on specific cars and what AWD systems they use, especially ones that that have more or less been defined by their AWD systems, and the best place to start may be with a bombshell; the Nissan GT-R.


Nissan GT-R (R35)

 The GT-R has built a reputation around having monster traction and very approachable performance, thanks to its AWD system - Advanced Total Traction Engineering System for All-Terrain (ATTESA) - and what it can do for you. But the GT-R doesn't actually use the most mechanically sophisticated type of AWD systems discussed in the previous article, namely a "true" AWD with a centre differential. Instead, it uses a clutch pack to transfer power.


The R32, R33, and R34 Skyline GT-R's used a system that looked basically identical to the traditiona…
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Trail Braking Explained: Everything You Need To Know Video

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Tired of too much understeer? Trail braking may just be what you're looking for. What is trail braking? Why isn't it taught to beginners and how does it help? Watch below to learn all about trail braking, including introduction to managing grip, how trail braking helps, and on track telemetry comparing cornering speeds and line with and without trail braking.

Know the basics? Here are some time stamps to navigate the video.

0:22 What is trail braking?
0:37 Why isn't trail braking taught when you're starting out?
2:13 How does trail braking help/work?
6:22 Results on track with trail braking.
10:31 Should you start trail braking?

If you liked this, make sure to subscribe! I have a lot more coming.



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Limited Slip Differential Types Compared

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A few weeks ago, I posted about traditional clutch-type limited slip diffs (LSD's) and how they work. You can read about those in the previous post: How Limited Slip Diffs Make You Faster on Track. But as you might know or have learned from reading the article, they aren't without their faults, which means engineers are always working to get around those limitations.

You may not be surprised to learn that something like the Ferrari 488 GTB doesn't use a traditional limited slip diff, but it's not limited to super cars, far from it. Cars like the Golf GTI, the Civic Type R, various Mustangs, Corvettes, and BMW M cars, and even the Lexus RC F and GS F, all avoid a traditional limited slip diff in favour of one of these technologies. To keep things simple, I'll focus on two wheel drive vehicles. The vast (vast) majority of principles apply to all and 4 wheel drive vehicles, but there are some subtle differences that I'll cover in a future post.


Gear-type Limited S…
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All Mainstream AWD and 4WD Systems Compared and Explained

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If you live in Canada or the US, you'll find that plenty of people hold sacred the terms '4x4' and '4WD' to describe a 'true 4x4', where you have a butch transfer case with a low speed, perhaps a body on frame chassis, and ideally a solid axle or two. I'm not sure how that translates to the rest of the world. My extensive research into the motoring industry in Europe (which exclusively consists of watching Top Gear and The Grand Tour...) concluded that most people across the pond simply refer to any vehicle that is capable of sending any power to all four wheels as a 4WD vehicle, further muddying the waters. Where I grew up, 4x4 was more or less synonymous with 'Jeep' so that's not much help either.

However, despite all various systems attempting to do the same sort of thing - distribute power between all four wheels instead of two - not all systems are created equal, with significant differences in some cases. As a primer for a future post…
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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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Stock Suspension S197 Mustang With Square 305/30/19's

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If you've had any doubts about whether or not they will fit, fear not! You absolutely can run square 305/30/19's. I had a lot of doubts before pulling the trigger, even more so when the wheels where on the car. The tires do poke out a bit and I figured rubbing is all but guaranteed at full compression but I couldn't be happier I trusted APEX and those on here who have run it.

Here's what you need:

1. Camber plates: I have MM C/C plates and they are maxed out at -2.3 deg with the stock struts. I have been running them for years with many track days without issue.

2. 1"/25 mm spacer: I have Motorsport-tech 1" spacers and they look like high quality units. There is maybe a 1/4 inch clearance in the back so you can't go any narrower than 25 mm. http://www.motorsport-tech.com/adaptec/car/ford_s and you want Design 2.


3. Elongated studs: your best bet is to get the FPP hubs with elongated studs instead of reusing the old one. Bearings are consumables anyway so…
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This Lanzante Porsche 930 is powered by a GP-winning F1 Engine

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Whenever I hear of an outlandish 911 build, I always wonder what hardcore 911 would think. In my experience, they tend to love tradition and preserving the 911 legacy. This car breaks two of the holy trinity of classic 911's; rear engined, flat-six, and air-cooled. It is still rear engined but it uses a V6, water-cooled engine. But I can't imagine a single 911 fan being upset about this.

You see, this isn't just any water-cooled V6 engine. It is a Formula 1 twin-turbocharged 1.5 litre V6 out of a McLaren MP4/3 F1 car. Further preserving the Porsche-ness of this build, the engine was built by a partnership formed between Porsche and TAG to provide engines for McLaren F1 team. Porsche was responsible for the technical burden of design and engineering and TAG financed the effort and stuck its name on the engine as "TAG turbo" since McLaren didn't want Porsche's name on their F1 car.

Lanzante first revealed the car in October last year shortly after the annu…
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2020 Mid Engine Corvette C8.R Race Car And Engine Specs Revealed

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It's finally time to welcome the brand new 2020 mid-engine Corvette C8.R race car. I'd say this is the most hotly anticipated race car to debut since the current Ford GT, but Ford surprised the world with the GT so there wasn't a whole lot of anticipation. This may be the most hotly anticipated new race car ever in quite a while, much like its street going mid-engine sister.

It's the first clean sheet design in about 20 years, Chevy says, since the 1999 C5.R and will race for the first time ever at the 2020 Rolex 24 Hours of Daytona. Chevy says there is a deeper connection and technology transfer between the C8.R racing version and the road-going C8, and the highest percentage of shared parts of any Corvette generation before.


In fact, the C8.R utilizes the production chassis built right alongside the other chassis meant for street duty in the Bowling Green Assembly plant that builds the street version. As expected, there are some modifications to meet race requiremen…
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Rams Eye on YouTube: Track Reviews, Features, and Coaching!

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After writing for 7+ years , it is finally time to start making videos. Don't worry, I won't stop writing, but will be bringing video content now, including track reviews, tech features, builds, and tips and insights on how to go faster and safer. This is a little preview of what you can expect to see. Make sure to head over to YouTube and subscribe so you don't miss any future videos!


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A post shared by Michael R (@ramseyethetrackguy) on May 21, 2019 at 5:17pm PDT
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