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Diagnostics and Repairs

From a new bulb

To Engine Rebuilds

Genuine Mazda and Aftermarket JDM Parts in one place

TRUST Greddy
FEED and R-Magic to name a few.

Engine Rebuilds From £3000

Including 12 Months Warranty
and options to extend.

ECU Reflash from £60.00

Including RX-8 R3
Remapping from £375.00

From Servicing to Modification

We Got It Covered
Whatever you need!

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Essex Rotary

The home of high quality rotary engine care at competitive prices.

Here at Essex Rotary we believe in quality service and honest open advice. We are rotary enthusiasts with a passion for taking care of your car and bringing out the best in its performance.

Essex Rotary take great joy in returning your car to you in an improved condition. Be it new bulbs or a body kit your car will be treated with the same care and attention to detail whatever the work you need doing.

Contact us to discuss your needs.

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Why Essex Rotary?

  • We understand your car
  • Over 10 years experience
  • Access to high quality parts
  • Mazda DSR Authorised
  • Rotary compression testing
  • Hydrocarbon coolant testing
  • We are enthusiasts not just mechanics
  • Advice that works for your car and budget


  • Competitive pricing
  • Appointments that work around you
  • High quality work
  • All your needs under one roof
  • An intimate understanding of your Car
  • Work carries out by enthusiasts not just mechanics
Latest Products

What our clients say

Aston continues to provide exceptional value and service at Essex Rotary. This is not limited to the delivery of his solid mechanical skills but extends to the advice that he provides in relation to where your specific car is in its life, and what you have planned for it in the future.

This is all backed by the enthusiasm and passion he has for Rotaries, always leaving you confident that he cares about your car as much as you do. Whether it is assistance in the hour of need, or the quest for more performance, I will be returning for more of this exceptional service. 10/10

Andre Marcon, Director Vercov Consulting

Huge thanks to Aston at Essex Rotary for installing R-Spec oil and water temp gauges into a RX8 "air vent mounted" pod. I bought the pod some while back via an RX8OC group buy but never got around to installing it myself.

He did a superbly neat job in splicing into the car's wiring and hiding all the cabling out of sight, even connecting in a spare power socket outlet under the dash for any future installs. Really pleased with how the gauges look and operate.

Thumbs up to Aston for advising on the gauges to buy and for doing a great installation.

Malcolm Case, Case Computer Services

Servicing from £80.00

ServiceFrom£50 With servicing available from as little as £80.00 including parts, labor and VAT, there is no excuse not to get your Rotary sports car taken care of by Essex Rotary.

Whatever you need, here at Essex Rotary we have it covered, From an oil change all to a full service or general vehicle inspection. contact us with details of your vehicle and we will be happy to tailor a service unique to your cars specific needs, and taking your budget in to consideration.

With Access to high quality parts from many leading rotary parts suppliers from around the world, we are fortunate to be able to source and supply all the parts you will require for your vehicle service at very competitive prices. Finally no more need to worry about getting the right in time for your vehicles service.

With drop off and collection times outside normal business hours available by prior arrangement there is now no longer a need to book a precious day off work just to get your pride and joy cared for.

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Rotary Diagnostics

CELLight420px Essex Rotary are able to offer a wide range of specialist diagnostic services, using our extensive experience gained from many years of owning and driving these cars, we can offer experienced diagnostics and inspection services including but not limited to;
  • Compression Testing
  • Water Seal Failure Testing
  • Fault Code Reading
  • Vehicle Fault Finding
  • Engine Health Checks
  • Vehicle Inspection
  • Fault Finding and Repair
With an understanding of the Mazda rotary engine to surpass your regular mechanic and even most Mazda Dealers, Essex Rotary is the place to bring your sick RX to have it nursed back to health. With a willingness to continually learn new things and the tenacity to find the issue and not be beater by your car, Essex Rotary's experienced team will do their very best to get to the bottom of almost any fault your RX may have. For more information on our diagnostic services please contact us

Compression Testing

CompressionTester Are you having any of the problems with your car listed below?

Possible Low Compression Symptoms
  • Hot start problems
  • Cold start problems
  • Rough idle
  • Stalling
  • Suspected Power Loss
  • Poor fuel economy.
  • Or maybe your looking to buy a rotary powered car
If you have answered yes to any of the questions above then a Hot Compression Test is the first step your going to want to take. This test is not the absolute answer to engine health but it is one of the most important tests to have done.

It can only be done with a Rotary Engine Compression Tester and should always be carried out with the engine hot, a cold test will yield positive results, even on many failed engines.

Compression Test Results

We Are Much More Than Your Average Garage

With an in depth understanding of what makes your RX tick, Essex Rotary are the premier place to bring your car for repair no matter how big or small, From a new bulb to a clutch change.


As well as the services already mentioned on this page, we can offer services such as.

  • Engine Rebuilds
  • General Mechanics
  • Diagnostics
  • Ignition Coils
  • Clutch Replacement
  • Fiberglass Repair
  • Tuning and Mapping
  • Arch Rolling
  • Headlight Restoration
  • Fabrication
  • Tire Supply and Fitting
  • Replacement Engine Mounts
  • Deflooding
  • "Rats Nest" Vacuum Hose Renewal
  • and more...

If there is anything you are looking to have done on your RX then if we cant do it we usually know who can. So do not hesitate to contact us to find out more.

We are always expanding our tooling and knowledge so will be able to offer an every expanding and diverse range of services outside the usual "Servicing, Diagnostics and Repair" category

World Leading Parts

ExedyLogo MagnecoreLogo CuscoLogo K&NLogo RacingBeatLogo KoyoRadLogo RacingBrakeLogo TeinLogo SFSLogo EibachLogo

Preventative Measures

We believe prevention is better then cure While regular servicing and maintenance is the key to a happy car Mazda did not cover everything. In this area we will outline some key aspects you as an owner or potential owner should take in to consideration, and look at carrying out. This is just a short list and does not cover everything. We will eventually be adding links to more in depth descriptions and solutions to these problems that we can offer. however for now if you have any of these aspects that need dealing with or checked please drop us a line using the details on our contact page. contact page
  • Failed Coil Packs
  • Old/Original OEM HT Leads
  • Failed Engine Mounts
  • Broken Drop Links
  • Failed Coolant Level Sensor
  • Faulty Headlight Leveling Sensor
  • Failed MOT Emissions Test
  • Failing Catalytic Converter
  • Slow Starter Motor
  • Plus More......
Other things to take in to account would be more regular oil changes and a change to a higher viscosity mineral oil, decreasing the time between spark plug change intervals, This can all help to keep your engine purring happily. We would highly recommend you take a look at our "RX-8 Servicing Tips" found in the Technical Section simply follow the link below. RX-8 Servicing Tips

Tuning and Upgrades

There are many areas when it comes to tuning your rotary to to get the best performance available.

Essex Rotary are happy to advise of the best way to achieve your personal goals for your car, be to fast road, track driving, show car etc.

With access to a wide verity of tuning parts from some of the worlds leading manufacturers, Essex Rotary are your perfect choice to help you achieve your desired tuning goals. We are happy to discuss options that will fit within your specified budget whilst still getting the best back for your buck

It is important to remember that while the RX-7 FD is a very rapid car the RX-8 is a different animal, Tuning an RX-8 for power is not always the best route if your expecting to see massive gains then think again. However handling modifications are a very good place to start in this case,

Options in a Nutshell

  • Aerodynamics
  • Brakes
  • Cooling
  • Drivetrain
  • Engine
  • Exhaust
  • Induction
  • Ignition
  • Suspension
  • Wheels & Tires



Induction is all about getting air in to your engine, there there are many induction kits on the market Essex Rotary would only really recommend a select few. Many are badly designed and can sap power from your engine instead of doing what they should.

Options include.

  • Drop in K&N Panal Filter
  • Cold Air Ram Ducts
  • Full Cold Air Intakes
  • Enclosed Air Box Upgrades
  • Forced Induction



Once you made your power through the engine then its tome to get those gasses out as efficiently as possible, here is where the exhaust comes it. You may on the other hand just want to make your car sound a little sportier. While the range of exhaust parts are broad you only really have a few options for what to change.

  • Exhaust Manifold (header)
  • Catalytic Converter/ Sports Cat
  • Decat (for race only)
  • Catback



Handling and suspension upgrades are the key to getting around corners quicker. You may want to drop the car on lowering springs for looks, add coilovers and/or anti roll bars (ARB for short) for the track/fast road.

Upgrades include

  • Lowering Springs
  • Stiffer Dampers
  • Strut Braces
  • Coilover Kits
  • Anti Roll Bars (ARB)
  • ARB Drop Links
  • Suspension Bushes
  • Chassis Bracing



Cooling your rotary is one of the most important upgrades you can carry out, it may not produce any more power but a cool engine is a happy one.

This becomes even more important if you start looking for more power especially in the form of forced induction (turbocharging etc.) while we will not list forced induction cooling mods in this list we will look to cover most of the basic options.

  • Larger "Racing" Radiators
  • Silicone Coolant Hoses
  • Water "Wetters"
  • Large Capacity Oil Pans
  • Oil Line Upgrades
  • Radiator Grilles
  • High Pressure Radiator Caps



You may be making some nice power but if you cant get it to the rear wheels then whats the point.

Your going to want to be looking at drivetrain upgrades if your in the above category or even just if your clutch has gone. A dead clutch can be the perfect time to look at adding a lightweight flywheel.

  • OEM Spec Exedy Clutches
  • Uprated Clutches
  • Lightweight Flywheels
  • Short Shifters
  • Performance Transmission Oils
  • Final Drive Ratio's
  • Performance Diff Oils
  • Stiffer Diff Bushes



There are a range of upgrades available for your braking system, ranging from a simple brake pad change all the way up to a full big brake kit.

If your chasing speed or just like driving your car fast then your going to want to be able to stop just as fast, The RX-8 has some very good brakes as standard but like the RX-7 that come before it there is still plenty of room for improvement

Some options are listed below.

  • DOT 5.1 Brake Fluid
  • Performance Brake Pads
  • Uprated Brake Discs
  • Braided Brake Lines
  • Brake Calliper Upgrade

Want to know more?

If your interested in any of the upgrades listed here or even if there is something we have not mentioned, Please give us a call using the number on our contact page and we will be happy to talk you through your options.

For More Information on these products please check out our online store by clicking the link to the left.

Engine Rebuilds

So you have problems with your rotary?
  • Rough Idle?
  • Hot Starting issues?
  • Using coolant?
  • Engine Cutting Out?
  • You can hear loud knocking?
  • Severe Power Loss?

Your probably pulling your hair out dreading the bill?

Essex Rotary can offer full rotary engine rebuilds at a very competitive price point. while we may not be the cheapest around the little extra goes to ensure you will have many years of trouble free motoring.

Our Prices start from £3000 with a full 12 months Warranty and increase depending on how far you want to go.

With all our rebuilds Essex Rotary are pleased to offer a range of optional upgrades some that can only be carried out at the time of your engine rebuild.

Attention to Detail is Key



RotorRebuild4Old parts are inspected for excess wear beyond tolerance and replaced as required

Things to Consider

Some Items to consider during your rebuild, as we would be taking your engine down to its component parts its a good time to get some reduced or free (in many cases) labor to have things fitted such as.

  • New Ignition Coils
  • New HT Leads
  • Engine Porting from Street to Bridgeporting
  • Uprated Starter Motors
  • Induction Kits
  • Exhaust Manifolds
  • New Engine Mounts
  • Uprated Oil Pans
  • Pulley Kits
  • Silicone Coolant Hoses
  • New or Uprated Clutch
  • Lightweight Flywheel
  • Oil Pressure Regulators

Please Ask us for more information on anything you may want to add.

Prices That Wont Brake The Bank

Our base price for an RX-8 rebuild is £3000

The above price is for a low compression rebuild, and would not require replacement of main engine hardware such as rotors, housings, irons etc...
If your engine has failed causing internal damage then we offer a capped rebuild price of meaning you will not be charged extra for parts that we need to replace*, this includes the replacement of damaged engine hardware.
Unlike many ohter shops that will offer a cheap price but charge you for each and every part that requires replacing often raising the cost well above what you where expecting.

Additionally we can also offer performance upgrades that can only be done at the time of the rebuild these include Oil system Upgrades, Goopy Performance "unbrakable" apex seals, plus more.

This price includes:
  • Initial Inspection
  • Engine Removal and installation
  • All Seals and Bearings wether out of tolerance of not when inspected.
  • Any engine hardware that requires replacement such as rotors, rotor housings irons ect.
  • All new fluids used for initial installation**.
  • Oil and filter change at the end of your engine run in period (normally 1000 miles minimum)
* This capped price is not offered on RX-7 engines due to the rarity of some components. ** This does not include fuel.

All our rebuilds come with a standard 12 months warranty. with the option to extend your warranty for a longer period.

For more information about prices or to speak to us about your options please contact us and we will be glad to help.  

We Dont Cut Corners

Cutting side seals and ports not quality or longevity, We pride our self on providing one of the most complete engine rebuilds in the UK using only genuine Mazda parts or offering high performance optional upgrades, you wont find cheap quality internals in our rebuilds

We refuse to cut corners on rebuilds, while many garages are offering rock bottom rebuilds for an unbelievable price we feel that the only way to rebuild your engine it properly. After all the last thing you want to be doing is paying for the engine to be removed again and rebuilt because parts that where reused at the time have now failed.

It really is a false Economy.

However with all this ion mind the first thing to get done is confirm that it is a rebuild that is needed, In many cases its pretty obvious, but there are lots of RX-8's that we see where their owner suspects it needs a rebuild when in actual fact its faulty or worn ignition components or a dead starter motor at the root of the problem.

If you suspect this could be the case for your car then drop us a line and book a clot for a compression test, its not a lot of money and will usually give you a definitive answer.

Get your parts from Essex Rotary

Essex Rotary are able to offer both Genuine Mazda Parts and Aftermarket Parts from many well known tuning parts manufacturers*, Such as those featured to the right.
In Cases where we offer alternative parts to OEM we will not scrimp on quality

With long term connections to some of the worlds leading parts parts suppliers Essex Rotary are the perfect place to get both your servicing and Modifications carried out.

Many larger parts come to us on a next day service** and smaller more regularly used items we either have in stock or can get in same day.

Please contact us for any information or availability of items you may require.

* In cases where aftermarket parts offer superior quality or better value
**next day service is subject to stock availability.

RX-8 Ignition Coils

It has become quite obvious that Mazda did not do a great job of the ignition setup on the RX-8 (this is in stark contrast to that of the RX-7's that come before)
The original coil packs fitted the the car have a maximum service life of 30'000 miles. Essex Rotary (and many other specialists for that matter) highly recommend owners to renew their ignition coils at this recommended interval. Failure to do so can have the knock on effect of damaging your catalytic converter at the very least. For More information on keeping your ignition components up to scratch please contact us.

Big names at small prices

Here at Essex Rotary we have an ever expanding range of products from some or the worlds top tuners. Recent additions to our product line up include:

Cusco Suspension Components
Including sway bars (ARB's), strut braces and catch cans.
Adaptronic Engine Management Units
ECU's now available for both RX-8 and RX-7's at competitive prices.
Cooling solutions including aluminium radiators and rad caps, radiator fan shrouds, low temp thermostats, weighted gear knobs and more.
Magnetic sump plugs, large capacity oil pans, RX-8 turbo kits, intake elbow's for FC and FD RX-7's
Check out our store for more details of the above and more.

  • MagnecoreLeads
  • NGKIridium
  • Coilpack