scoop direction

[ya it is a classic]

hey guys so i made a cowl(yes homemade, next time ill spend the $120!) anyways so i got bored and wanted to build a scoop for it also. its just goin to be a box pretty much. i put a 4in air cleaner in there. so after i dinked around for about 45 minutes getting my pieces of poster board the right size i saw a square bucket that was THE EXACT SIZE as my scoop mockup. anyways i dont have any metal now anyways so i cut the bucket up and bolted it on. looks kinda cool but im not sure which way to face it. do i put it so the scoop is facing front? or do i flip it around cause i have a functional cowl? does the cowl even do anything? it looks good facing front and thats how i put it but that kinda defeates the purpose of the cowl. becides looking BA! or should just take it off cause the scoop looks kinda funky. (its a bucket!) also its on a 350. ya kinda dumb that i did it but i was bored and wanted to make something. thanks for your input.
-chad

[project 67 sub]

any pics of said bucket scoop??

[ya it is a classic]

Originally Posted by project 67 sub

any pics of said bucket scoop??

haha ill get some for ya tomorrow. i must say its pretty cool in a wierd way.
-chad

[project 67 sub]

haha for sure

[67_C-30]

I'd say "ta' not to"!

[special-K]

Any cowl induction hood would be all the way back to the "cowl" and takes air by using the air off the windshield turbulence. Just sitting in the middle off the hood it will act more as a heat vent (outlet). With forward facing scoops,taking in rain is a concern. Are you sure about this?

[ChevLoRay]

special-K is right. The air moving over the hood of a vehicle creates a higher-pressure at the base of the windshield. That increased pressure is what makes cowl induction work. Look at a side view of your hood/windshield. Visualize the air moving from front to back, and as it is forced over the hood, it runs into the windshield. That impact makes the air swirl in a clockwise direction. If your cowl induction is opened, the air movement will be right into the direction of the back side of the engine, and you should have something that will direct that air movement into your intake system.


Oh, here's something else to visualize....whirrled peas.

[truckster]

I agree with everything said so far. But to clarify, you'll only get the benefit of cowl induction if you have a relatively sealed airflow between the open edge of the hood and the air cleaner.

[ChevLoRay]

Guess I should have stated so....good call. If anyone has any doubts, check out the first Z-28's, that Smokey Yunick and Grumpy Jenkins set up. It wasn't pretty, but they won races.

[ya it is a classic]

good info guys. i took the scoop off the next day. i was just really bored that night. anyways if i did do that i would need like an airbox thats sealed onto the cowl opening and goes down into the engine?(if im reading that right, truckster) i know how a cowl works but is it even worth it to fabricate something like that? im always on the quest for more HP for free so any advice/ideas would be takin into consideration.
-chad

[ChevLoRay]

Most street usage is just an open element air filter. In my opinion, you wouldn't have to duct the air to the carburetor unless you were doing some racing....and it was allowed to be altered in the class you ran.