This will result in a given level of vacuum after the filter. There are numerous debates among 'internet experts' but if the turbo system heats the air by say 50-70C before it hits the intercooler and the intercooler takes that back down by say 30-40C, then every degree colder your intake air then the lower your intake air temperatures are going to be post intercooler.Ĭold air intake temp + Turbo increase temp - Intercooler reduction in temp = IA Temp in the manifold.Īpart from having the largest total possible surface area to the filtering media there are other benefits to a twin filter setup: Consider that a given filter size will present a given level of restriction to airflow, based primarily on the density of the filtering media. The main idea, though, is to create sealed inlets that allow for the introduction of the coolest ambient air possible. As a relatively small English company with an established good reputation they would not have released it without spending an appropriate amount of time ensuring it worked flawlessly. Having twin filters is not a new idea on cars but Forge decided in early 2009 to investigate its potential for the 2.0T FSI engine (and now TSI version). For those readers who are interested the answers are fairly lengthy: Does this work? But how can this possibly work efficiently? Is it just a gimmick? TWINcooler, TWINtake, are Forge now committed to only giving birth to twins? In my effort to understand this unusual intake I asked myself these questions and more. Most people on first setting eyes on the TWINtake (Forge's spelling) are very puzzled by there being not one but two filters. Incidentally they plan to release a single filter version in due course. In development Forge conducted tests with both one and two filtered inlets and surprisingly, the addition of the second sealed inlet behind the headlight showed an increase in airflow and power over a single ram air design. They are not the first to do this but they are the first to also position an additional inlet and second, twin filter in the side behind the headlight. Forge have placed their TWINtake's principal inlet in the same position. Most aftermarket specialists agree that the Volkswagen boffins were right to position the stock inlet at the top of the front grill just under the bonnet's leading edge to ram air to the filter. The subjective part is as complex as most of the human individuals who are making the choice, but tend to be based on the following considerations (not in order of importance):. It's that same old consideration of factory cars needing to compromise in order to more efficiently appeal to their biggest mass market - There's nothing wrong with that but it's why some of us think we can improve our cars by modding, and the truth is that we succeed.Īnd so the objective part of the question of 'why', is that having an aftermarket air intake will usually improve both the flow and temperature of air and hence improve whole performance, though it must be said that the stock air intake system is very good and takes air from the most efficient inlet position. The oem air intake is adequate but doesn't seek to deliver especially cold air because standard cars are designed to also be sold in climates where cold starting and running may even be an issue. Indeed, when used on a standard car without any other performance modifications they are not cost effective at all. What has possibly kept you from doing so earlier is that you might not have wanted to frighten away your VW warranty when your dealer's workshop opens your bonnet and is alarmed to think a python has sneaked into your engine bay as most aftermarket air intakes are of the high-flow tubular variety.Īftermarket air intakes are so often criticised for being poor value-for-money. Air to fuel is fundamental to internal combustion engines and so as you slide down the slippery slope of modding yelling "Yippee!", sooner or later you will feel an uncontrollable urge to replace your oem air intake.
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |