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Understanding AFR: How to Choose the Correct AFR

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How to Choose the Correct AFR


00:00 So far we have discussed the concept of AFR and how it will effect the performance of our engine from the respect of power, emissions, and how it will effect our tuning requirements.
00:11 We have also looked at the Target AFR MAP and discussed some suitable starting points to use.
00:17 Now we are going to look at the steps required to actually choose the correct AFR for a particular engine and a particular use.
00:25 We are then going to look at how to apply this air fuel ratio and test it on the dyno to find out what is optimal.
00:32 We have developed ‘HPA’s 4 Step AFR process to guide you through this in an easy to handle step by step manner.
00:41 This will make sure you don’t overlook anything and give you an easy way to confidently approach your next tune.
00:47 This module will cover the steps in detail.

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