Deatschwerks Evo Fuel Pump Installation Tips

The Deatschwerks DW301 fuel pump is proving extremely popular, with a huge 325 litres per hour flow (@ 40 psig, 13.5v), it has a 3-year no-fault warranty and is 100% compatible with E85 ethanol fuel.

As well as universal fitment kit available, there are many other vehicle specific kits available, including one for the Evo 8 and 9. Since their release, there have been occasional reports of issues such as poor sealing and cars not starting.

Deatschwerks have done some thorough testing and research and found the cause of these problems, so we hope this information is useful to you if you are fitting the DW fuel pump to your Evo.

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Evo Gear/LSD Oil Recommendations

Cusco  Gear Oil 80w-140We’re always getting asked which oils and how much to use in Evo’s.Our sister company X-treme UK, who are a high performance vehicle specialist based in the West Midlands, recommend the following:

Lubricant quantities as follows:

  • 5 and 6 speed gearboxes: approx 3 litres of oil (this feeds front diff. part of transfer box, as they are inter-connected)
  • Transfer box: approx 0.6 litres of oil (this oil is for the transfer gear CWP)
  • Rear diff: approx 1 litre of oil
  • AYC hydraulics and reservoir: approx 1.5 litres of oil

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Mitsubishi Evo AYC rear differentials

Car manufacturers are constantly improving and refining their cars and the parts that make them up. There can be some benefits for owners to fit the later parts to their earlier cars. Or sometimes this happens, when the earlier part fails and the easily available replacement is a later part, which may even be a used one from a car that is broken up for parts.

The AYC rear diffs on Mitsubishi Lancer Evolutions 4~9 are a classic example of this. These parts do fail and often people make the later parts fit their earlier cars. Which is fine, until you decide to modify or repair the newly fitted assembly – as you may not be ordering the correct parts to match the components now fitted to your car. Continue reading Mitsubishi Evo AYC rear differentials

Evo Clutch Problems

A potential customer called re clutch problems he has suffered with his Evo. 6 Tommi Makinen Edition – he has had 2 or 3 clutches in his E6 TM car this year (reckons he drove his E4 harder and never had any problems). Clutch the car came with didn’t last long, then he had a twin plate clutch fitted, which didn’t last 500 miles (he wasn’t sure what make). Then he fitted an organic or standard clutch himself – not sure if E4~6 230mm or E7~9 240mm and he couldn’t remember what flywheel he fitted, but despite that being OK initially it has now started slipping after just 4 months!

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