You’ve finished tuning up your engine but you find that at full throttle the engine splutters or stalls. When you get the car on a diagnostic you find that the knock sensor is kicking in to protect the engine.
Engine knock is a condition where the fuel inside the engine ignites prematurely and occurs within an engine running at high compression. (It can also be caused by other factors including low octane/poor quality fuel or hot spots within the engine.)
Best Performance spark plugs, sports coils and HT leads
The best spark plugs & HT leads improve performance. "Lets spark up about engines" An efficient engine needs a good […]
Principles of porting an engine and big valve conversions
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.
Engine tuning mods for various engine types
General engine tuning tips "Tuning Modz" Engine Tuning an overview. Engine tuning depends largely on the base engine size and […]
Todays featured car modification articles

Performance Clutches
Clutch tuning: performance clutch modifications and triple plate clutches setup More...












