The 2011 Volkswagen Jetta 2.5 liter car uses a timing chain, rather than a timing belt. This is because chains have proven to be longer-lasting, and more reliable.
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The "07K" is a 2.5L 20-valve inline 5-cylinder engine from VAG. It's most commonly found in the VW Mk5 and Mk6 Jetta/Rabbit/Passat. A turbocharged and direct-injected derivative is also found in the Audi TT-RS. The cylinder head was developed from the Lamborghini V10.Mar 4, 2014
How to Make My Jetta Go Faster
Use premium gasoline in your Jetta to attain higher speeds. ...
Eliminate extra weight in your Jetta to maximize fuel efficiency and get more speed. ...
Install a cold air intake system to maximize the potential for air-fuel compression.
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