Double Product Release! CorkSport Mazdaspeed 3/Mazda 3 and Mazdaspeed 6 Rear Motor Mount

CorkSport is happy to announce a special double release of the CorkSport Mazdaspeed 3/Mazda 3 and Mazdaspeed 6 Rear Motor Mounts!

You might be asking yourself right about now, โ€œThere are a lot of motor mounts on the market, what makes yours so different?โ€

Excellent question!

Improved Rear Motor Mount

Letโ€™s start with the Mazdaspeed 3/Mazda 3 Rear Motor Mount. Designed as a direct replacement of the OEM motor mount, the CorkSport Rear Motor Mount provides improved handling and shifting by replacing your factory mount and rubber bushings with an upgraded mount and urethane thrust surface for added stiffness and improved driver responsiveness.

We designed the urethane thrust surface to be larger than other products on the market. We found this provides the added stiffness you desire while maintaining the comfortable ride you want and reducing the effect of NVH (noise, vibration and harshness) in your cabin.

Mazdaspeed 3 and Mazda 3 Rear Motor Mount
Mazda 3 & Mazdaspeed 3 Rear Motor Mount

Whatโ€™s more our CorkSport Mazdaspeed 3/Mazda 3 Rear Motor Mount is a 2 for 1! We have designed the part to allow customers to easily swap between our 70 and 80 durometer urethane for an easy transition between daily driving and track days!

The Mazdaspeed 3/Mazda 3 Rear Motor Mount is powder-coated black and includes zinc-coated sleeves for a durable, long-lasting life.

The Best Mazdaspeed 6 Rear Motor Mount

Now, onto the Mazdaspeed 6 Rear Motor Mount. This part has been designed as a single piece that again maintains your OEM fitment, but replaces the factory bushings with large urethane thrust surfaces for improved handling and shifting while maintaining ride quality.

Mazdaspeed 6 Rear Motor Mount
Mazdaspeed 6 Rear Motor Mount

Best Quality Mazdaspeed 6 RMM

This high-quality, great-looking part is black anodized with the zinc coated sleeves for a long-lasting, durable finish. Available in 70 durometer urethane, the CorkSport Mazdaspeed 6 Rear Motor Mount has also been designed with a larger thrust surface for better handling without all the NVH associated with other stiffer and smaller urethane surfaces on the market.

You can purchase your CorkSport Mazdaspeed 6 Rear Motor Mount today from CorkSport.com

Visit our site to check out all of our new and existing products for the Mazdaspeed 3, Mazda 3 and Mazdaspeed 6.

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The Inner Workings of the CorkSport Oil Catch Can

Since the release of our Oil Catch Can we have had a lot of questions about how our set-up functions. Most understand the basics of what the OCC does, but want to know more about how our OCC does it.

CorkSport Oil Catch Can

The Basics

For the last 20 or so years, all cars have had some sort of PCV system installed to re-burn unwanted vapors from your crankcase instead of venting them to the outside world. This system is based on a vacuum. When the engine is running, the pistons are happily moving up and down. There is a small amount of compression that is lost into the crankcase passing by the rings. This excess air will cause pressure in the crankcase to slow down the pistons from going up and down and build up oil vapors that create frothing of the oil. There are also small amounts of condensation that get trapped in the crankcase and you donโ€™t have to be a rocket scientist to know water and oil donโ€™t mix.

An oil catch can is designed to “catch” unwanted vapors that are in your crankcase and PCV system and prevent these contaminants from entering your motor. With no catch can install, you have the potential to get build-up in the intake manifold causing dirty valves and poor compression.

CorkSport Mazda Oil Catch Can

How the Mazdaspeed 3 PCV System Works

A Mazdaspeed 3 has two PCV lines. One goes from the cam cover to the intake and one goes from the crankcase to the intake manifold. Why the two locations you ask? Well, they go to the closest vacuum source, but in a turbo car, you will not have a vacuum when you are in boost so a check valve closes and stops the crankcase from being pressurized and boost being lost.

Diagram of how the oil catch can works

Improving the Design of the CorkSport OCC

Most Oil Catch Cans include a PCV valve in the set-up for turbo vehicles, as ours did until just recently. So why does CorkSport no longer have a Check Valve on our Oil Catch Can setup? This is a great question.

We noticed that by adding the PCV check valve to the oil catch can, the OCC worked less effectively because when the check valve closes (the car is under boost) the catch can is no longer able to do the same job of โ€œcatchingโ€ the vapors. When your car is under boost is the time the catch can is working the hardest to prevent those contaminants from entering your engine. Instead, it is just sitting there waiting for the PCV valve to open back up.

We decided to cap the intake manifold and pull the vacuum through the intake so both cam and crankcase vapors are trapped in the OCC leaving your motor the cleanest it can be. Now, the CorkSport Catch Can will be working to eliminate those vapors all of the time without the restriction of a PCV valve to prevent it from being able to remove contaminates while your car is under boost.

Simple diagram of the Mazda oil catchcan

So why not cap the intake and the intake manifold and have it vent to atmosphere?

There are several reasons this is a bad idea and being friendly to mother nature is only one of them. Yes, you might sleep at night better knowing you are not hurting the environment but this is not the only reason to plumb the catch can back into the intake.

1. The intake vacuum helps draw vapors out of the motor by creating a low-pressure system to force the vapors out. Without the vacuum, the vapors can only be forced out by the pressure in the crankcase. This is unreliable and inefficient. Think of how much easier it is to get air into the motor under pressure (ie turbo). It only makes sense that the opposite would be true about getting it out and it would be much easier to achieve under vacuum.

2. Metered air passes through the MAF sensor before entering the engine, then a small amount is passed by the rings and enters back into the intake or intake manifold. If you do not route the PCV back into the intake manifold then that calculated air is โ€œpoofโ€ let out into space causing your fuel trims to be off.

If you think you can tune around this you are correct, sort of. As the rings degrade you will have a small amount of additional air passing by the rings. Time to re-tune. The rings degrade some more, then time to re-tune again. I think you get the picture. Eventually, you forget to keep up on this and your fueling is off enough to cause a check engine light or worse. Zoom-Zoom-Boom!

This is the nature of a MAF-sensored car. There is a good reason that Mazda has everything hooked back up to the intake. Your car will be happier, in the long run, doing this.

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Product Release! CorkSport Mazdaspeed 3/Mazda 3 Rear End Links

Want your Mazda to handle like a track car? Add the new CorkSport Mazda 3/Mazdaspeed 3 Rear End Links to your suspension set-up to get the most from your rear sway bar. By dialing in your turn-in speed and stability you are able to make your end links a tunable component of your ride!

The CorkSport Rear End Links are a rock solid, precision designed piece developed to eliminate binding and preload on your sway bar and provide you with the highest level of adjustability.

We went with sealed 31 degree ball joints to keep wear and tear at a minimum for this essential part of your suspension tuning and used Depositioned Black Steel for a long lasting finish and durability.

With +/-10mm of adjustability, you can vary the lengths on either side of the vehicle to stabilize your car or allow for a particular handling set up for performance purposes. The bar can be pre-tensioned if you drive a track where there are more turns in one direction or you can lengthen the end links to help the bar from rubbing when moving to different adjustment settings that are closer to the twist position on your aftermarket sway bar.

Check out our product listing for additional details or to purchase today!

Turbo Inlet Pipe Differences

There are some significant differences about how we designed our turbo inlet pipe compared to the other solutions offered for the DISI engine. We get a couple common questions that we thought would be worth reviewing for our readers about our design vs. the other options on the market today.

The first question we get asked most often is also the most obvious difference, which is why we chose metal over silicone. CorkSport uses a mandrel bent aluminum pipe to replace the factory plastic pipe instead of silicone. The reason we chose metal in place of silicone is to maintain a better flow through a very tight area. Metal cannot distort in shape or size and provides a smooth pipe to flow through that does not have the rougher characteristics associated with the nylon braid used in silicone.

The second question that comes up most frequently is, can a metal turbo inlet pipe transfer heat to the air rushing through the pipe at a rate that would increase the temperature of the air going into the motor? To begin with, the pipe itself is insulated from touching the turbo or block by silicone so the actual heat transferred into it is very low. It is insulated from the bracket that it bolts to by rubber and has no other contact with the engine bay other than through the air. The physical air in the engine bay should be the same no matter what intake you run so the turbo inlet pipe will eventually reach the same temperature.

In order to test this we ran our test car on the same day with less than 10 degrees difference between ambient air temp between tests. We put the car on the dyno and ran the car at the same load from the same rpm range at 20psi. This was about 2500 to 6500rpms. The above graph shows the difference between intake air temp and boost air temp. The intake air temp is basically outside air temp and the boost air temp is the temperature of the air entering the engine. There was basically no difference from metal to plastic telling us that the metal is not able to transfer heat any faster than the plastic to the actual air traveling into the motor.

Bottom line, during testing, the CorkSport Turbo Inlet Pipe showed a 14% improvement in flow over the stock turbo inlet pipe, resulting in improved boost levels, and customers can rest easy knowing that the aluminum piping will not affect the temperature of the air running to the motor

Brydon-

Product Release! CorkSport Cold Air Intake for the 2010+ Mazdaspeed 3

When CorkSport set out to develop a Cold Air Intake (CAI) we took several things into consideration. First and most obviously, we wanted the CAI to make more power over stock and allow for free-flowing air into the intake chamber. The factory intake overall on the Mazdaspeed 3 is chock-full of poor bends and choke points. Just by changing the filter section, you can get a large increase in horsepower and when coupled with an aftermarket turbo inlet pipe that runs between the intake section and the turbo, the increase is even greater.

Mazdaspeed intake system

The new Stage III CorkSport Power Series Cold Air Intake does just that by replacing the factory airbox with a cold pipe intake system to dramatically reduce intake restrictions and provide an impressive improvement in power throughout the entire engine’s RPM range. During initial testing the CorkSport Stage III Cold Air Intake for 2010+ Mazdaspeed 3 saw a 10-12% increase in power and torque when tested against the stock intake system.

Dyno of air intake

Next, we thought about the best intake system to run in all weather conditions and came up with a system that is convertible between a short ram intake and a cold air intake. This gives customers an optimal set-up for their intake system year-round. During the warmer months, a cold air intake can be run which will suck air from the fender liner instead of the hot engine bay where a short ram intake would be situated. While testing, we saw differences of up to 50 degrees Fahrenheit in the moderate climate of the northwest. This could be higher in other parts of the country that hit much higher temperatures. While driving the engine bay is not much warmer than outside but while you sit the engine bay becomes very warm. Moving the intake to the fender liner pulls air that is not in the engine bay so the air is much cooler.

Then during the cooler rainy and snowy months, you can switch out your CAI with the Stage I or Stage II SRI intake just by quickly and easily removing a pipe and moving the filter location. With the SRI set-up the path to the turbo is greatly decreased and there is almost no chance of sucking up water during the wet months making it ideal for cold, rainy weather.

Mazdaspeed 3 Short Ram Intake System

Finally, we compared our product to the competition on the market. We purchased a popular competitor Cold Air intake and did a head-to-head test, of their intake against ours on the dyno. We also attempted to verify the competition’s claims of a 33hp gain. The below graph shows the results. The red line is the Stage III Corksport Cold Air Intake with Turbo Inlet Pipe, green line is the Corksport Cold Air Intake without turbo inlet pipe and the pink line is the popular competitors Cold Air Intake.

Dyno data for short ram intake system for the Mazdaspeed 3

Notice the peak power is almost the same between the CorkSportโ€™s two intake set-upโ€™s but there is a massive increase in mid-range power and torque with the optional turbo inlet pipe. If you look at the competitor’s results compared to the Corksport intake, you will notice the lines stay together for a while before diverging slightly in the mid-range and top-end. Both intakes show improvements over stock but the CorkSport Intake shows slightly more mid-range and upper rpm power and torque.

The Corksport Stage III Intake that comes with optional turbo inlet pipe shows the most gains overall being at some points 7% more efficient than the popular competitors. The turbo inlet pipe is also not offered by the competition making the upgrade to the full system a perfect choice for those that want the most efficient system posible. At no point could we duplicate the +33hp gain or roughly 15% improvement claimed by this competitor.

The CorkSport Cold Air Intake can be purchased as a standalone performance part and includes our precision machined MAF housing made from billet aluminum with included air straightener, durable dry flow air filter, mandrel bent aluminum cold pipe and custom reinforced silicone connectors. It is also available as an upgrade kit for current customers with a CorkSport Stage I or Stage II Short Ram Intake with included mandrel bent aluminum cold pipe and custom reinforced silicone connector and optional Turbo Inlet Pipe.

The kit is available to purchase in powder-coated black or polished aluminum with any combination of red, blue, or black fliter and silicone connectors and the choice of polished aluminum or stealth black T-bolt clamps to truly customize the look of your engine bay.

To find out more or purchase a CorkSport Cold Air Intake today, please visit the CorkSport catalog online today at www.corksport.com or call 360-260-CORK.