Turbosmart for Diesel: New BOV Kits and Electronic Gauges for Turbo Diesel Vehicles


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The pursuit for performance doesn’t stop at the diesel pump. Turbosmart has responded to the ever-growing diesel and 4×4 market with a new range of gauges and diesel blow-off valve kits developed specifically for those looking to get more reliable performance out of their turbo diesel vehicle.

Electric Gauge Range for Turbo Diesel Vehicles

Turbosmart’s new turbo diesel range kicks off with four new electronic stepper-motor gauges specifically for turbo diesel vehicles. Covering exhaust gas temperature (EGT), transmission temperature and boost, these 52mm gauges provide access to data that is extremely important to monitor for the longevity of a tuned turbo diesel vehicle.

With bright backlit illumination and a timeless white on black colour scheme with a silver bezel, Turbosmart’s new gauges provide access to important information in a stylish, easy-to-read format that looks good in any interior.

Traditional boost gauges typically measure vacuum as well as boost. Diesel engines, however, do not produce vacuum, so often up to a quarter of a standard boost gauge goes unused. Turbosmart’s new diesel boost gauges measure boost only, with one measuring from 0-30PSI, and a 0-60PSI version for engines running higher boost. This allows more efficient use of the space on the gauge, providing better resolution and accuracy in boost measurement.

Transmission temperature gauges measure from 100 to 280 degrees Fahrenheit, while EGT gauges measure from 400 to 2200 degrees Fahrenheit. Versions of these gauges measuring in Celsius will be available soon.

These gauges are a standalone solution. Included in the box is all the hardware needed to run the gauges, without interfering with the vehicle’s ECU. Boost gauges are supplied with a MAP sensor, while EGT and Transmission Temperature gauges are supplied with temperature sensors.

A sturdy and stylishly simple L-bracket three-gauge mount has also been designed to perfectly complement the new gauges. Manufactured from tough powder-coated steel, the bracket is an ideal mounting solution for the gauges necessary to ensure reliable performance from any turbo diesel vehicle.

Gauge part numbers and pricing:

TS-0701-1011 – Electric Boost Gauge 0-30PSI | For pricing and more info, click here.

TS-0701-1012 – Electric Boost Gauge – 0-60PSI | More information available soon.

TS-0701-3011 – Transmission Temperature Gauge | For pricing and more info, click here.

TS-0701-2011 – Exhaust Gas Temperature Gauge | For pricing and more info, click here.

TS-0740-1002 – L-Bracket 3 Gauge Mount | More information available soon.

New Diesel Blow-Off Valve Kits

Secondly, we have developed three new Diesel Blow-Off Valve kits. Turbosmart’s Blow-Off Valve Controller Kit has long been one of the only ways to fit a fully-functioning blow-off valve to a turbo diesel vehicle, reducing damaging compressor surge in heavily boosted applications.

Since diesel engines do not produce vacuum, they cannot run traditional vacuum-operated blow-off valves. However, turbo diesel engines running high boost and large turbochargers can still experience compressor surge when the driver backs off the throttle, as the intertia of the turbocharger is still attempting to force air into a decelerating engine. Also known as turbo flutter, compressor surge is potentially catastrophic for the bearings inside the turbo. Turbosmart’s solution relieves that pressure build up by utilising the vehicle’s throttle position sensor to energise a solenoid to operate the blow-off valve when the driver backs off the throttle.

The blow-off valve prevents compressor surge by venting the pressurised air before it reaches the turbo. This keeps turbine speed more stable, meaning better boost response when you get back on the throttle.

Because Turbosmart knows that every set up is different, our three new Blow-Off Valve Controller Kits allow owners to select the blow-off valve that gives them the best combination of flow, size and cost for their individual applications.

The Kompact, Type 5 and Big Bubba BOV Controller Kits join the existing Race Port kit to offer something to suit just about every turbo diesel application.

The Big Bubba’s massive size makes it perfect for the most extreme big capacity diesel engines, like V8 Turbo Diesel pick ups and large capacity trucks. The mid level Type 5 is suitable for moderately modified turbo diesels, and the Kompact is ideal for small capacity four-cylinder turbo diesels with limited engine bay space.

Click images for high resolution.

BOV Controller Kit Part Numbers and Pricing:

TS-0304-1001 – BOV Controller Kit – Race Port – Blue | For pricing and more info, click here.

TS-0304-1002 – BOV Controller Kit – Race Port – Black | For pricing and more info, click here.

TS-0304-1005 – BOV Controller Kit – Type 5 Supersonic – Black | For pricing and more info, click here.

TS-0304-1006 – BOV Controller Kit – Kompact – Black | For pricing and more info, click here.

TS-0304-1009 – BOV Controller Kit – Bubba Sonic – Black | For pricing and more info, click here.

TS-0304-1003 – BOV Controller Kit – No BOV, controller and fittings only | For pricing and more info, click here.

Coming soon: 

Internal wastegate actuators for Nissan Patrol ZD30DDTi and TD42T engines.

Performance Focused: Turbosmart’s BOVs and Wastegate Actuator for 2016 Ford Focus RS


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With the latest Focus RS, Ford has created one of the most fearsome performance hatches ever made, unashamedly targeting big players like Mercedes’ CLA45 AMG and the VW Golf R. With its 2.3-liter EcoBoost engine, the Focus creates some serious boost and power – but now, Turbosmart has developed a range of new products that improve the performance, reliability and driving experience of Ford’s superhatch. The Kompact VR08 Blow-Off Valves and IWG-75 Internal Wastegate Actuator offer real world improvements to the Focus RS.

Kompact VR08 Blow-Off/Bypass Valves

The Kompact VR08 Blow-Off Valve for the Focus RS has been developed with the Focus’s high boost pressure in mind, with the goal to improve performance and durability. Plastic OEM blow-off valves like those on the RS have a track record of failures – they leak, and they become brittle with age until they eventually crack, causing serious problems. Producing around 23 PSI of boost pressure in standard form, the Focus is already pushing the boundaries of its standard plastic blow-off valve – and there’s not much room to turn the boost up before the standard valve will struggle to keep up.

Turbosmart’s Kompact is constructed of billet aluminum, rather than plastic. Its brass piston is both strong and light, and each BOV is individually matched with the right piston to ensure the best fit, meaning there’s no need for an O-ring to seal the body against the piston. This gives the Kompact unsurpassed durability and responsiveness, with less maintenance required than aftermarket BOVs that use piston sealing O-rings.

The Kompact for the Focus RS can be had in both Dual Port and Plumb Back versions. The Plumb Back is a fully recirculating blow-off valve that offers a similar sound volume to the standard valve, so you can have all the performance of a Turbosmart blow-off valve, while flying under the radar. The Dual Port features a split operation between recirculating and venting to atmosphere, providing quiet operation at low boost, and head-turning vent-to-atmosphere sound at high boost – a great complement to the Focus’s rally fighter character. The Kompact for the Focus RS features enlarged ports compared to previous versions, giving the RS the flow it needs.

IWG-75 Internal Wastegate Actuator

Turbosmart has also developed a new billet Internal Wastegate Actuator for the RS. Tasked with controlling how much boost the Focus’s turbo is allowed to produce, the wastegate plays an integral role in the turbo system. However, the Focus’s standard actuator does not let the Focus reach its full potential, even at standard boost pressures.

OEM wastegate actuators tend to use soft springs, which begin to open long before peak boost is reached. The result is that you don’t get all the boost you could be getting. Turbosmart’s IWG-75 Internal Wastegate Actuator is a 12PSI-rated actuator designed with performance and reliability as key priorities. Turbosmart’s actuator provides faster boost build-up and less drop-off at high RPMs, with a more responsive and stable boost curve.

The results of fitting a Turbosmart IWG to your Focus RS are truly impressive, giving you dramatic improvements to the vehicle’s responsiveness and performance compared to the standard actuator, especially in the mid range. As a bang-for-buck modification, Turbosmart’s IWG-75 for the Focus RS is hard to match.

In addition, their billet construction and Turbosmart’s rigorous quality testing ensures the ultimate in reliability, while the locking collar design allows for quick spring changes, should you want to tune your Focus for increased boost.

These bolt-on performance improvements offer an boost to your RS driving experience without the need for custom fabrication or special tools. They’re yet another addition to Turbosmart’s ever expanding range of parts for Ford’s latest EcoBoost range of vehicles.

Part numbers and pricing:

TS-0203-1064 – Kompact Shortie Dual Port – VR08 | For pricing and more info, click here.

TS-0203-1264 – Kompact Shortie Plumb Back – VR08 | For pricing and more info, click here.

TS-0622-9122 – IWG-75 – Ford Focus RS 2.3 EcoBoost – 12PSI | Pricing and more info, coming soon.