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Increase Horsepower on Golf Mk4 GTI Turbo

The fourth generation Golf GTI, known as MKIV is one of best VW GTI has done for years. After losing ground with little GTI third generation, MKIV returned to roots of being rear window GTI driving fun. Part of appeal of engine is turbocharged 1.8-liter that was available from 1997 to 2006 models.

There are two variants of this engine, version of 138 horsepower and more powerful version of 178 horsepower. Both engines are modifications well. As most turbo cars, this engine is perfect for tuning.

Increase Horsepower on Golf Mk4 GTI Turbo

It’s easy to get over 200-hp and there have been MKIVs built with over 500-hp. GTI drivers can take variety of steps to get more horsepower out of their particular model. One of most common and effective routes to getting more power from 1.8T motor is by having ECU Engine Control Unit reflashed.

This changes ignition and fuel maps to more aggressive curve as well as raising rev-limiter and top-speed governor. 99 to 2001 cars will end up with 195 to 200 horsepower, and model years 2002 and later will realize about 220 horsepower. Companies like Neuspeed offer this service which requires that they have ECU from your car for about $400 all prices as of September 2009 .

You can also replace restrictive stock intake on 1.8T with cold air intake like one that Evolution Motorsport offers for $189. This adds another 8-12 horsepower. V-Flow intake, for $299, adds 10-15 horsepower.

Most companies that make parts for GTIs offer intakes. Turbocharged cars benefit greatly from free flow, larger diameter exhaust, and GTI is no different. aftermarket exhaust from company like APR is usually good for another 10-15 horsepower.

Heat is enemy of horsepower, so larger intercooler is good idea as well. By providing more cool air to turbo, motor gains more horsepower. Adding intercooler is also important step if you decide to get larger turbo.

By far biggest gain in horsepower on 1.8T motor comes when relatively small factory turbo is replaced with larger turbo. GReddy makes turbo kit that uses TD04H-19T turbo with bigger turbine and compressor wheel. This is also most expensive upgrade and runs over $3,000, not including installation.

Turbo kits usually come with software upgrade, larger fuel injectors to provide proper amount of fuel as well as any associated tubing and oil lines.

We hope this information about How to Increase Horsepower on Golf Mk4 GTI Turbo is really helpful to you as well as other information related to Golf

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How to Increase Horsepower on Golf Mk4 GTI Turbo

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