8/7/2023 0 Comments Radiator fan shroudThe cookie is set by the GDPR Cookie Consent plugin and is used to store whether or not user has consented to the use of cookies. The cookie is used to store the user consent for the cookies in the category "Performance". This cookie is set by GDPR Cookie Consent plugin. The cookie is used to store the user consent for the cookies in the category "Other. The cookies is used to store the user consent for the cookies in the category "Necessary". Signs of a damaged cooling fan shroud include engine overheating, your A/C not cooling effectively, or any visible damage to your cooling fan shroud. The cookie is set by GDPR cookie consent to record the user consent for the cookies in the category "Functional". The cookie is used to store the user consent for the cookies in the category "Analytics". These cookies ensure basic functionalities and security features of the website, anonymously. It’s not that difficult to accomplish – see the accompanying photos for a closer look.Necessary cookies are absolutely essential for the website to function properly. There’s more too: If you take the time to effectively seal any gaps between the fan shroud and the radiator, cooling can improve. The shroud simply allows the largest volume of air to be pulled through the rad (typically in a pull through application). Typically, this is accomplished by way of an integral shroud surrounding the electric fan. Specs are as follows:Īll of the above have a low amp draw, but Davis points out that one of the other secrets to properly cooling a high performance car is to effectively seal the radiator to the fan. Davis offers a trio of fans – 12-inch, 14-inch and 16-inch diameters. This might be a good choice for a car that's either blessed with a cooling dilemma or one that sees double duty as a weekend racer.Ĭompanies such as Ron Davis Racing Products have spent considerable time researching cooling fans with these criteria. A good example is a pickup truck with a factory towing package. Puller fans, on the other hand, can be used in conjunction with a fan shroud to effectively pull air through the entire surface area of the radiator without impeding airflow. This arrangement is particularly useful if heavy cooling tasks are mandated by the application. Sometimes electric fans are used in conjunction with an engine driven clutch fan (typically, an electric pusher fan mounted ahead of the rad). Motor vehicle manufacturers have used both configurations in modern passenger cars and light trucks, although puller fans are the most common. In the case of electric fans, you usually have two options: A pusher fan and a puller fan. So where do you find shrouds for older cars? That’s simple too: The restoration aftermarket is loaded with quality reproduction shrouds for all sorts of applications. The bottom line is simple: If you don't run a proper shroud, you're only asking for overheating grief. If the shroud is not present, it creates a considerable amount of "dead" space behind the radiator that in turn destroys the effectiveness of the fan assembly. This isolates the pocket of air behind the radiator, allowing the fan to efficiently draw the required air through the radiator. It butts up tightly to the face of the radiator, effectively sealing the cavity. How does the shroud work? Basically, the shroud surrounds or partially surrounds the fan. If you don’t have a shroud or if it fits poorly, get the right one (that's a big hint if you end up sitting behind Old Faithful on a regular basis). Keep in mind that shrouds are often manufactured from plastic and as result, the condition typically degrades dramatically over the years. Shrouds are used with both mechanical and electric fans to ensure all airflow is drawn through the radiator. One or two electric fans are mounted in a shroud assembly that attaches to the radiator. Unfortunately, they are often missing on any number of older cars. An electric cooling fan blade is driven by a 12V electric motor that operates in response to coolant temperature and the air conditioning switch. Increasing the airflow through the radiator improves the cooling and as a result, a shroud is almost mandatory on high performance applications. The idea is of course to provide a constant supply of air through the radiator so that the coolant is reduced in temperature. But when it comes to cooling you absolutely must first figure out a way to bring the air to the radiator (cooler).
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