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Alright everyone,
Below is the results Andy @ AMT has sent me to show how restrictive the throttle bodies are on a standard RB26 head.
The blue curve is with the throttle bodies, the green curve without. Both had radius inlets.
As you can see there is a drop of 16 CFM!!
The blips at the bottom are due to the spacing being quite big increments, but it gets the results across.
cheers
Blue32
Below is the results Andy @ AMT has sent me to show how restrictive the throttle bodies are on a standard RB26 head.
The blue curve is with the throttle bodies, the green curve without. Both had radius inlets.

As you can see there is a drop of 16 CFM!!
The blips at the bottom are due to the spacing being quite big increments, but it gets the results across.
cheers
Blue32