In the case of this particular install, we powered the boost gauge bulb from the illumination circuit for the cigarette lighter (which is immediately alongside). Only boost pressure can be measured along the path between the turbocharger and throttle body. So why is the intake manifold best, you ask?įirst, manifold vacuum won't register on boost/vacuum gauges unless you make a connection downstream of the throttle body (ie inside the intake manifold). The best spot to connect a boost gauge is the intake manifold most typically by 'T-ing' into one of the existing manifold hoses. Installing a Mechanical Boost Gauge Where to Find the Optimal Pressure Source
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Electronic boost gauges have a few advantages - they generally have slightly better accuracy, most have a peak recall function and, because the gauge is fed an electric signal from a remote pressure sensor, there's no requirement to run an air hose into the cabin. As the name implies, an electronic boost gauge is fed an electrical signal from a remote pressure sensor. Electronic boost gauges, however, can run to several hundred dollars. Mechanical boost gauges, which use an internal Bourdin tube, can be bought brand new from as little as $40. Your budget will determine whether you'll be using a mechanical or, possibly, an electronic boost gauge. Psi (pounds per square inch), kilopascals (kPa) and Bar are the most common pressure units - whichever of these suits you is fine. Unless mounting space is an issue (which you'll need to determine before making a purchase) we'd opt for the larger size gauge, as they're considerably easier to read.Īnd what's better - a metric or imperial boost gauge? This comes down mainly to personal preference. Another important factor is the diameter of the gauge - the most common diameter is 52mm, but smaller 40mm units can also be bought. Note that the sweep of the needle is important for viewing accuracy - the greater the sweep, the more likely you'll make a correct reading. Certainly, where possible, go for a boost gauge that shows vacuum. Speaking from experience, it's also the easiest way to identify when a small hose has popped off the intake manifold. You may be aware that some boost gauges read positive pressure and engine vacuum a vacuum scale is very handy for setting up an adjustable blow-off valve, general tuning and faultfinding. If, for example, you expect to run no more than 1.2 Bar (17.4 psi), a gauge that reads up to 1.5 Bar (21.8 psi) is perfect - it's good to have a little bit of headroom so you can recognise overboost conditions. 0-5V analog outputs are also included for inputting into data loggers and engine management systems.First, you need to decide the maximum boost pressure you plan to run.
#BEST BOOST GAUGE WRX SERIES#
The gauges are AEMnet CAN-bus enabled, so they can be daisy chained together for use with the Infinity ECU, Series 2 EMS, AQ-1 Data Logger, or 3rd party EMS or logger that accepts AEMnet. Two buttons on the faceplate deliver programmability for peak/recall, standard or metric center LED readout and sweeping LED needle, and user-selectable threshold warnings. X-Series Digital Gauges include new technological features that make them easier to use. Thanks to an advanced single board design, X-Series Gauges have an incredibly slim overall depth of under 0.825”, with a cup depth of only 0.200.” This shallow cup depth allows X-Series Digital Gauges to be mounted practically anywhere.
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A 33% overall increase in the gauge face display makes it easier to see at a glance.ĭespite the larger display, X-Series Gauges are contained in a standard 2-1/16th-inch (52mm) diameter housing for mounting in a standard gauge pod. A sweeping green LED “needle” lines the edge of the gauge face for quick reference. Visual improvements include a bright center LED display that is 87% larger than our original digital gauges and provides better readability. The calibration for standard or metric display is easily performed using the buttons on the face of the gauge.
![best boost gauge wrx best boost gauge wrx](https://cdn.shopify.com/s/files/1/0277/9175/products/White_needle_Boost_Gauge_square.jpg)
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Each faceplate is double sided with standard PSI on one side and metric BAR on the other. You will need to purchase the optional 30-0306-ACC accessory kit to get the silver bezel and reversible white standard/metric boost pressure faceplate. NOTE: The 30-0306 comes with a black bezel and reversible black PSI/BAR boost pressure faceplate. AEM’s 30-0306 X-Series -30in/Hg~35PSI / -1~2.5BAR Digital Boost Display gauge combines incredible looks, increased readability and a multitude of new, easy-to-use features! It is a must for users who want highly accurate boost pressure readouts up to 35 PSI or 2.5 BAR in their high performance vehicle.