[email protected] Posted April 15, 2023 Report Share Posted April 15, 2023 Hi there. What is the best AFR for a 3SGE Beams with ITB Throttles. I have attached my tune and my logfile. The log file is long from a drive yesterday but the last 10 mins of the drive would be good to look at. The engine is stock except for the ITBs and headers and a free flowing exhaust. I am measuring it with a Link Canlambda at the front in the 4 into 1 collector. My fuel tune is with TPS on one axis on the table and and RPM on the other. The car is running nice. At the moment I am targeting the below: Between 1% - 7% TPS, I target lambda 1. Between 11% - 25% TPS I target Lambda 0.96 Between 25% - 60% TPS I target Lambda 0.96 Between 60% - 80% TPS I target Lambda 0.85 Between 80% - 100 TPS I target Lambda 0.82 The car get driven on the road but also does get leaned on a certain amount. Any thoughts would be appreciated. Here is a link to my tune file and my log file. https://drive.google.com/drive/folders/16HqT0LDh4miKGNDF4NnclxbOKekbZ-9p?usp=share_link Kind Regards Rex The ecu is a Link G4+ Storm Blue. Engine is Toyota 3sge beams with ITBs. Injectors are standard. Quote Link to comment Share on other sites More sharing options...
Adamw Posted April 16, 2023 Report Share Posted April 16, 2023 Something like below is what I would use for an engine like that. castillaricardo and [email protected] 2 Quote Link to comment Share on other sites More sharing options...
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