TDI = Turbo Direct Injection It is a Diesel engine design that VW has devloped that produced more torque - power - from a cleaner burning engine. The piston has - for lack of a better word - a step cast into it that allows the air/diesel fuel mixture to swirl - hence, turbo - for more complete combustion. Better combustion equals more power and decreased particuliate emissions - both of which are the bane of diesel engines. John Deere offers a similar engine design for their new farm tractors, but it's called something different. At least this is how it was explained to me... Alan Bosch & a bus named Phred ('88 Wolfsburg) Former owner of a '82 Diesel Rabbit named Rumblefish |
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