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The most economical speed at which to drive is at the peak of the torque curve.
engines love new clean oil, do an oil and filter change before you go.
Tyre pressures make a big difference.also skinny tyres i run mine at 45 psi.
thats on a suzuki diesel 5 door 97.
Any down hill gradient coast on tick over.
Coast up to intersections and traffic lights, use the brakes as little as possible.
fit a boost gauge and stay off the turbo
If you have time fit a exhaust gas recirculation valve blanking plate. give the engine only clean cold air. Nothing else.
Make sure the air cleaner is clean. Also if youve time removev and wash out the intercooler, it will have loads of oil in it.
IF your Golf is NOT common rail ecu controlled fuel injection system, and its has an ordinary Bosch roatary fuel injection pump you can go to 10% new veg oil into your normal diesel fill.
This slows he burn rate and thus increases the mid crank angle combustion pressure with less fuel needed for the same speed.
Do your research tho before trying this mod.
Hope this helps
Ted
in
Dorset
UK.
coast up to all intersections and traffic lights, use thekes as little as possible.
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