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January 17th, 2003 02:17 AM #12VW has them
(TDI)Turbocharged Direct Injection
direct injection has been used for years in trucks. This a noisy process though, as can be hear in Ford Powerstrokes, and thus was not very welcome in passenger vehicles. Because of this most diesel cars used indirect injection. Indirect injection is a process of having part of the explosion happen in the pre-chamber, producing smaller explosions instead of one large one. However this is inefficient, and Audi (division of VW) developed a TDI engine which injects diesel directly into the cylinders, added more sound proofing, swirl-chambers, and a computer that takes engine speed and temperature, air intake and your Volkswagen's current altitude into consideration before delivering the diesel. This combination helped reduce noise, increase performance, increase fuel efficiency, and eliminating the old stereotype that diesels are slow and stinky. This added to the fact that in many places diesel is cheaper than gasoline (sorry, in the US it seems to be a bit more) make it a great engine to have for daily driving. Even performance enthusiasts drive them
http://www.vw-motorsport.de/
the Golf IV version of the racing diesel is now running around
245hp and around 370 ft/lbs torque from a 5 cylinder TDI
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January 17th, 2003 06:02 AM #13Ah...eh hindi ba - Turbo Diesel Ito
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ALFRED
Great info 1.8T
I also remember this rover site mentioning about replacing an 8-cyl gas engine ng rover with a diesel TDi engine....saying that the fuel consumption was lower and yet the power was even stonger than that of the 8-cyl engine even if the diesel TDi engine had a smaller displacement...any comments:?::?::?:
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January 17th, 2003 10:27 PM #14
wildthing,
well, unless the 8-cyl gas engine was a real dinosaur, a diesel would very likely have a lower horsepower rating but a substantially higher torque rating peaking at low rpms, kahit mas maliit yung displacement nung diesel. iba talaga yung power characteristics ng diesels to gas (not necessarily better or worse, but just different and more suited to some applications and less so to others)
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January 17th, 2003 11:48 PM #15
Wala kasing standard vocabulary/terminology sa automotive world. Tignan mo sa mga brochure ng sasakyan, simpleng shock absorber lang "double-acting telescopic ekek chenelenchenel..." pa ang tawag. Yung hood, bonnet ang tawag sa Europe at kung ano-ano pa.
TDi could mean a lot of things to different manufacturers.
Malamang pare-pareho tayong tama. :mrgreen:
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January 20th, 2003 01:51 AM #16corect ka diyan sir otep. acronyms can mean a lot of things. with regards to direct and indirect...
try comparing the noise of 1hdt of toyota land cruiser against
bighorn's 4jg2 engine.
BIG difference!
hanson
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Methinks the Battle of Carthage scene in Russel Crowe's Gladiator (yr. 2000) is a homage to that...
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