The fan inlet itself is the circular hole in the front of the fan shroud - facing the firewall. The fan draws air in through the slots under the back window, and in later cars from the slots in the engine lid too (it's a bigger fan in those engines - more later on that).
How does this apply to say full-bodied kitcars like a Porsche spyder replica without inner fenders under the fiberglass body portion or a baja Bug with 1/2 of engine exposed?īy Rob Boardman, in response to the foregoing. And finally like I mentioned above I've read that you should keep your seals in good shape (sparkplug boots and all other rubber seals) so the hot air doesn't recirculate into the engine compartment.Does the carburetor air come through the row of louvers just above the decklid? But if the engine compartment is sealed, then after feeding the carburetor how does that air get out?.Also, where does the air that feeds the carburetor come from? I've read that the engine compartment must be sealed properly so no hot air gets in.If that is the case isn't that rather ineffective? Wouldn't it be better to have actual ducting pick up the cold air from the outside and feed it directly into the shroud opening instead of relying on the air somehow squeezing it's way up between the shroud and firewall and into the fan opening?.
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