Air Fuel Ratio (AFR) is the ratio of air to fuel in the combustion chamber during the power stroke. This ratio is very important to know when adding on any type of forced induction, whether it be a super charger or a turbo. After installing a turbo on your Honda Civic it would be a [...]
Adding on performance mods on your engine will only go so far without a proper Air/Fuel gauge, otherwise you could risk running your engine too lean and blow it up. The most popular one on the market now is the AEM Wideband UEGO Controller and sells on eBay for around $200-$300. There is also the Inovative Motorspotrs LC-1 [...]
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