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Anyone how much vacuum pressure a stock 05 Elise pulls?
 

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At idle, partial throttle, full throttle?

Idle and decel should be around -20 to -25 inHg possibly even as much -30 inHg in decel at moderate to high RPM.

Partial throttle should be around -10 to -15 inHg

Full throttle should be extremely close to 0


And just for reinforcement of theory. The engine will always pull the same amount of vacuum for a given RPM. The throttle plates position it what limits natures ability to equalize the cylinders back to 0.
 
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