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I dikd not get that photo. Could you please send again? Thank
you... ER
mike f wrote: I looked through a bunch of old magazines and found a picture of the Air Cleaner assy used on Smokey's 66 NASCAR Chevelle in the Sept 2001 edition CHP. In fact, the assembly has two air entry horns. Both connect to the fresh air intake that was used for Air conditioned cars, I guess. Well here is the picture. It looks like it could be made up somehow. Best regards Mike Fry Valley View, Texas--- Chuck Hanson <[EMAIL PROTECTED]> wrote: > on 2/4/04 10:11 PM, tom at [EMAIL PROTECTED] wrote: > > > I got the latest issue of Chevelle World with the > article about installing a > > cowl induction setup through a hole in the > firewall (Rudisill's cowl plenum > > system). I also noticed that John Bedenbender's 66 > Elky > > > http://www.midwestchevelles.com/past_shows/mw2002/66elky.htm > had a similar > > cowl plenum arrangement through the firewall > (pretty cool). Some articles > > about cowl induction on the web said that the cowl > induction intake should > > be 1" or more above the hood line since air flow > at the hood line was low. > > If this is the case, could there be an air flow > problem with intake through > > the firewall, which I assume gets its air through > the cowl grate which is > > below the hood level? > > > > Tom Tomlinson > > '71 Malibu > > '66 El Camino > > > > > Tom, > Somewhere in the article I'm sure I mentioned the > fact that a high pressure > area exists at the base of the windshield. Smokey > Yunick may not have been > the first to figure it out, but he sure put that > theory to practical > application, and if you peek under the hood of any > NASCAR racer you'll find > that essentially the same system is still put to > use. The pressure > differential at the base of the windshield is also > the same reason that > Chevrolet configured the '69 Camaro and '70-2 > Chevelle Cowl Induction > packages like they did. > > The cowl plenum system that Rudisell is offering > duplicates the > over-the-counter package that Chevrolet offered > during the late Sixties, to > help improve on- and off-track performance of > serious Chevy competitors. > I've seen them installed on Camaros, Chevelles, > Novas, and even full-size > Chevys. > > The discussion of airflow over the surface of the > hood is a bit out of > context for a true "cowl induction" setup, because > the high pressure at the > base of the windshield is quite adequate enough to > yield a "force air" > effect. The notion that the intake location should > be at least an inch > above the hood's surface applies most directly to a > forward facing "scoop," > and placing one in that location (at least an inch > above the hood's surface) > increases its effectiveness substantially. An even > better solution for a > forward facing scoop is to locate it at the leading > edge of the hood, much > like the Olds 442 setups of the early Seventies. > > The rearward facing scoop on the second-generation > Trans Ams, however, were > minimally functional at best... and purely cosmetic > at worst. The location, > elevation, and direction of the "scoop" all > conspired to reduce its > effectiveness considerably. They did "shake" > whenever the engine was > throttled, however, and DID LOOK pretty cool. I > also question the > effectiveness of the Mopar and Ford "Shaker" scoops > of the same era. At the > very least, they did allow a cooler, denser charge > of air into the engine, > although it had to be sucked in rather than forced > in by using nature's > physics to accomplish the job. > > My '69 L89 convertible has been finished since last > June, and the cowl > plenum setup is a definite attention-getter at all > the shows and cruises > I've taken it to, not to mention the unique wail > that emanates from the > firewall opening every time the secondaries are > called into action. It may > not be for everybody, but for me it was the perfect > complement to my '69 SS! > Those of you who watch HorsePower TV will get a > quick peek at it in a week > or two... > > Chuck > > __________________________________ Do you Yahoo!? Yahoo! Mail - More reliable, more storage, less spam http://mail.yahoo.com |
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