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The inlet and outlet ports on the engine block are usually larger than those of the manifolds that connect to them.
This allows for scope in the manufacturing process to allow for mismatched alignment.
Generally the engine ports are larger in the upstream flow direction avoiding turbulance but power gains can be made by matching these up.
Fuelling uprating the fuel pump, injectors and fuel pressure regulator
Fuel systems "A car with a drink problem!" Cars need a precise mix of oxygen and fuel to burn effectively. […]
Adding NoS nitrous oxide to boost power gains.
Giggle gas – something to put a smile on your face. "Giggle Gas – Nitrous Oxide (N20) the power button!" […]
Turbo tuning and power gains on turbo engines
Tuning turbo engines. "A lot of hot air." What is a turbo. If you go back to your childhood you […]
