Quote:
Originally Posted by sav03cobra
Are the gains on a Stock ECU M6 SS car minimalistic with the ported TB/Intake Manifold combo? I thought you covered this in another post but I could be mistaken.
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The max we saw was 12rw. The average was around 6rw. The car in we tested on already had a cat back and was on the way lean side of things with it for making power. It was maxed out that way. The TB didn't really lean things out so it made good power but the intake manifold took it over the edge and leaned it out to where it wasn't making any more power. If the car started at the normal rich AFR you typically see on a stock car I am confident it would have picked up more power. What I don't know is how the driving fuel trimming would have been effected and subsequent AFR levels at WOT with some miles. This was a straight back to back on the dyno test.