Purposed Turbo Layout....

...

Purposed:

The engine with the carb (carb hat) is to the left and the front of the car is to the right. The air inlet to the two comprssors is in the nose of the car and enters to the right of the two intercoolers and was to go to a common plenum between the two turbos. The air would exit the turbo compressors and go to the two intercoolers (one for each turbo) in the nose of the car. The air would go through the intercoolers and exit in the direction and join at or before the carb hat.

What actually happened:

The turbos and their exhaust were mounted as shown above. The intercoolers were stacked on top of each other and the air exiting the intercoolers merged well ahead of the carb hat. This was done to help settle the air down by the time it got to the hat vs. merging them in the hat. The end result was we stuck pretty close to the conceived plan above and this ends up with just two 90 degree bends from the time the air leaves the turbos till it gets to the hat and takes place at the inlet and outlet of the intercoolers. Less bends means less pressure drop, which means less boost at the turbos for the desired boost at the manifold and this means the air is not heated as much in the turbo compressor.

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