Quote:
Originally Posted by scarceller
I'm slightly confused now, are you saying you sometimes have both sides at 0.95lambda with fully warm engine at idle?
The most important test is part throttle steady state load, 4th gear 3000RPMs what's the lambda in each bank? Can you please do that test when you have time? Idle conditions can be very finicky to get perfect mixture because flow rates and injector time are both very low.
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Is light load/partial throttle balance more important than high load? I would think that it's more important to be balanced under mid/high load (accelerating) than it would to be balanced at idle or cruise.
I'm also confused by Porsche would design in an imbalance in their manifold. I find this perplexing. It's true, the distances from the common plenum to the the intake may be different, but I can only assume that balancing the overall vacuum/flow to each cylinder was considered in Porsche's simulation, calculations, and testing. I could be wrong as it's only an assumption.