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07-23-2010, 01:19 AM
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#1 |
 Toyota Racing Development Join Date: Apr 2007
Posts: 5,038
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The 400 series Lexus (SC, LS, etc) use an AFM which allows approximately 25% more UNMETERED through. You MUST add approximately 25% more fuel as a result (~550cc injectors are just about right). This does allow you to boost more as the ECU thinks the engine is getting 25% less air than it really is.
DO NOT run a Lex AFM if you do not have upgraded injectors!
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