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SBD Dallara F3, 2.0L XE 300bhp

February 2016

Steve and Matt have been working on the Dallara over the winter break, the new upgraded engine is fitted with more horsepower and torque, now 300bhp and 200lbft torque. We have also added a heat exchanger of the same type fitted to Mark Smith's SBD Reynard to help control oil and water temperatures better. New software is always being created with added features, which has also been included. John Hansell has supplied us with revised aero components, which should significantly improve downforce and at the same time help to reduce drag (we have to do something significant to keep up with the aero improvements that Steve Miles and Naser Teymourian from Oxford Brookes University!). Matt has now delivered the car up to Alan Mugglestone to get the suspension set up again, this needs to be properly checked after Bill's excursion at Goodwood last year. Alan will then test the car at Blyton, hopefully along with Matt to set the balance of the car with the new aero and at the same time test a range of new products that we have been developing.

SBD Dallara January 2016
SBD Dallara January 2016 2L XE TP300bhp graph

In December 2015 we stripped down our Dallara's 2.0L XE TP290bhp engine after 2 seasons of competition use, along with lots of testing during that period. The engine is in fantastic condition, the leak down was between 0 - 2% on the cylinders, the tappet clearances were still within their original setting range and in fact everything on the entire engine was virtually at the same tolerance as when it was first built.


This is the new carbon airbox that we have been developing over the last few years and testing on our SBD Dallara. It has a built in air filter and it has especially developed to help improve the performance of the engine, but also to help to reduce intake noise, which is becoming ever more important with the increased need to reduce noise levels.

SBD Dallara carbon airbox

Matt Hillam at Castle Combe March 2014 Steve at Castle Combe March 2014
The SBD Dallara is driven by Matt Hillam & Steve Broughton. Pictures:Kim Broughton

Matt Hillam bought the Dallara in June 2013 and ran it at Castle Combe, Dick Mayo Sprint at the end of June. After that both him and Steve stripped the car completely.

The car is running the latest MBE9A9 ECU which controls everything on the car from simply starting the engine all the way through to full control of the gearbox, including launch and traction control. There are no relays involved in any way in the car, simply pin to pin which reduces weight & simplifies the installation. Everything is controlled from the steering wheel.

Jenvey have been developing an EGAS motor unit and we have been helping with the functionality over the past year, ready to sell as an option on our main throttle body kits. The advantage of EGAS means that we can control the throttle completely with the MBE9A9 ECU, adjusting its speed and position. This allows the engine to produce optimum response for torque and power when required, but also we can limit the amount of throttle for launch and potentially traction control.

Dallara steering wheel
Dallara 2.0L XE engine

The original Speiss Vauxhall engine was removed from the Dallara & a new SBD 2.0L XE engine has been built with a new design of dry sump system and cam cover made (with thanks to Kevan at Racecar Warehouse and Colin at Insignis) and built specifically for this type of single seater allowing the engine to sit as low as possible in the car.

The engine has our high specification throttle bodies on it and a custom made air box has been constructed, which is a re-design of 1996 airbox to incorporate the latest developments. This has been done to help reduce noise levels with the ever increasing problems at some circuits.

We didn't have time to run the engine on the dyno prior to the event, but we used the self-programming option on the ECU during the event. The engine ran faultlessly for the whole day, obtaining speeds of up to 165mph.

The exhaust system has also been custom made by BTB Exhausts Ltd with 2 exhaust boxes to help reduce the decibel level.

The bodywork had been vinyl wrapped the week before the first British Sprint Championship round at Castle Combe. We then only had enough time to screw the car together to drive it up & down outside the workshop before setting off to the first event.
MBE 9A9 ECU | MBE9MD Display | 2.0L Vauxhall Kits & Components
Please click here for a full event listing for both the SBD Dallara and the SBD Westfield. Reports for the British Sprint events are available courtesy of BSA.

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SBD Motorsport Ltd, Unit 15, Red Lion Business Park, Red Lion Road, Surbiton, Surrey. KT6 7QD. Tel: 0208 391 0121.
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