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Gearbox – Lower ratios give better acceleration times and lower fuel economy. Six or seven speed boxes are better matched to modern engines.
Most street applications are closer 1st and 2nd gear ratios for that off the line 0-60 boost or for the fast exec a lower 2nd and 3rd ratio give improved overtaking flexibility and 30 – 70 mph acceleration with a high 4th and 5th gear to give motorway fuel economy.
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 […]
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.
Limited slip diffs, which LSD is best for handling.
Slip diffs "Time for something DIFFrent" Every car has a slip diff but with a few tweaks you can totally […]
