(HR) Hajes Racing

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AFR – Air to Fuel Ratio for TDi

There is lots of confusion, myths and misunderstanding. Very little info about TDi engines in books. Fuelled by black smoking tractor puling ECOterrorists from USA. No wonder there is so many jokes about retarded TDi owners with black smoking cars who believe more fuelling is more power. PLEASE READ WARNINGS [...]

Pagid RST 3 front brake pads + ATE Powerdiscs rotors

Next attempt to fix screwed up brake bias, and rear brakes overheating. Proportioning valve improved the problem slightly. Perhaps highest friction coefficient at front end may fix the Protlum questionable design. Pagid RST3 front brake pads + ATE Powerdisc rotor PLEASE READ WARNINGS BEFORE YOU PROCEED !!! IF YOU FIND [...]

Pagid RSL19 rear brake pads

Problems with overheating rear brakes forced me to experiment with new friction material Pagid RSL19.  PLEASE READ WARNINGS BEFORE YOU PROCEED !!! IF YOU FIND INFORMATIONS USEFUL, PLEASE CONSIDER DONATION. Ferodo DS2500 has got optimal temperature about 300-500°C (friction coefficient about 0.42) with short burst of 700°C but I've found [...]

Brake balance – proportioning valve

Braking performance is not about big brakes but about brake balance or brake bias. Questionable design of Protlum suspension combined with racing brake pads introduced braking issues. PLEASE READ WARNINGS BEFORE YOU PROCEED !!! IF YOU FIND INFORMATIONS USEFUL, PLEASE CONSIDER DONATION. When I upgraded suspension I had no idea [...]

ECOterrorism – EGR facts & myths

Everything looks great on paper and in theory - there is lots of confusion, theories and endless discussions...all is not as it seems just like whole propaganda of ECOterrorism. PLEASE READ WARNINGS BEFORE YOU PROCEED !!! IF YOU FIND INFORMATIONS USEFUL, PLEASE CONSIDER DONATION. EGR is great tool for warming [...]