Mansfield · Nottinghamshire · UK
FREE BUILD TOOLS FOR AIRCOOLED VWS
Plan your build before the parts hit the bench — engine calculator, gearbox calculator and the engine logbook.
Pick a tool
Free Build Tools
Calculator One
Engine Calculator
Bore, stroke, head cc & deck height → CR & displacement.
Open →Calculator Two
Gearbox Calculator
Ratios, final drive & tyres → mph & km/h per gear.
Open →Workshop Reference
Torque Settings
Type 1, Type 4 & WBX bolt torques — printable A4 sheets.
Open →Workshop Reference
Engine Codes
VW Type 1 & Type 4 engine code identification tables.
Open →Logbook
Engine Logbook
Track customer engines, builds, extras & upgrades.
Open ↗