Quote:
Originally Posted by ByThaBay
With the a2a setup the turbulence normally present at the stock stillen MAP sensor location goes away. If choosing to run the stillen manifold unmodified, then tapping in between the two throttle bodies is the way to go to get a clean manifold pressure reading with minimal turbulence.
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Turbulence as reason make sense. What doesn't is how changing from W2A to A2A affects Turbulence. Air still flows past the same TBs in the same manner, albeit more flow overall. I'd be pretty concerned the characteristics changed so much inside the intake manifold to necessitate a change in MAP location.