Fuel Pump Diagnostics using an Oscilloscope
Whilst trying to track down a fuel pressure issue on my 1.8K Series VVC, I came across some interesting techniques you can use to diagnose the health of a fuel injection pump in situ with an oscilloscope.
Trailer Tyre pressure calculator
If you are struggling to work out the best tyre pressures for your trailer then you could try this link from a thread in Techtalk: http://rsrengineering.co.uk/trailer-tyre-pressure-calculator/
Building a Seven? - An action that should be prioritised before building up the engine bay.
Detailed information on K-series EU2 Engine Loom
A little while ago I redrafted the Caterham K Series EU3 Wiring Diagram. Recently I have been involved with helping a number of people with EU2 engine wiring issues and have discovered several problems with the published K Series EU2 Wiring Diagram, some of which were common to the work I did on the EU3 loom.
Gearbox oil filler / dipstick modification
This a DIY version of the Quaife Type 9 top cover that I first saw on Guy Lowe's gearbox. It makes it much easier to check and top up the gearbox oil level.
Speedometers
This guide has three parts:
A: The range of speedos used in 7s (by Tony Whitley and John Vine)
B: Fixing electronic speedo problems (by John Vine)
C: Calibrating the electronic speedo (by John Vine)
Welding
LowFlying Archive
HANS devices
Hardware
Reducing weight on a Seven
What is the significance of reducing rotating mass versus stationary mass, when lightening your Se7en?
Newton's Second Law of Motion states: "Acceleration is proportional to force and inversely proportional to mass."
Powerflex Bushes
Bushes are an interesting subject.
In the first place all bushes must introduce compliance into the suspension and this is likely to introduce certain non-linearities which could cause problems or could be used to remove design w
Cosworth Engines
In the begining the world was created and God saw that it was good. Then he invented motorsports and it was OK.
Electrics
GENERAL PROBLEMS
The answer to most electrical problems is to start by checking the earths in the car. The battery is usually connected to the engine by an earthing strap and the engine is separately connected to the car chassis by a further strap.
Dry sump systems
Do I need a Dry Sump for road use only ?
Generally No. A dry sump system is of value mainly if you are expecting to experience very high cornering, braking or acceleration forces such as are encountered during sprints/hillclimbs, racing or track days.