Ram Air.....

Discussion in 'General Maverick/Comet' started by CornedBeef4.6L, May 30, 2006.

  1. Johnnyholeshot

    Johnnyholeshot Member

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    Baby got boost!

    If you can get the air to truly "ram" it does give you a slight boost affect and can make a big difference. The only problem is the little Grabber scoops just don't trap that much air. However, a Comet hood scoop has a much bigger opening, so it can trap some pretty decent air volume. My brother was always a big ram-air fan due to his love for Pontiacs. Me on the other hand never thought it was much more than a visual gimmic, sort of like a big eagle decal on your hood. :biglaugh: However, last fall I proved myself seriously wrong. I went to the drag strip on a very cold fall day. It was only 48 degrees out, so there was definitely some nice dense air out there. On my first pass like a dummy I forgot to pull the foam insert out of the front of my hood scoop. I ran a pretty typical (summer time) 12.18 @ 109 MPH. On my second pass I simply removed the foam and ran the car down the track once again in the very same manner. This time I dropped to 12.06 @ 111 MPH. On the the third run I installed a sheetmetal airpan we had made up to set on top of my carb. This pan had a 4-inch foam ring glued around the perimeter to allow for a perfect form-fitting seal up against the bottom of my hood. This run absolutely blew my socks off with a best ever 11.89 @ 113 MPH! I made several runs after that in this same fashion and every run was in the high 11's. Just to prove the point on the very last run I removed the air-pan and put the cover back on the scoop. On this run my car immediately slowed right back down to 12.12 @ 110 MPH. This test made a firm ram-air believer out of me.

    Jim C.
     
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  2. CornedBeef4.6L

    CornedBeef4.6L no longer here

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  3. CornedBeef4.6L

    CornedBeef4.6L no longer here

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    2"hg converts to 1psi boost@80mph. So I would think a a 300rwhp car would get a 30 rwhp gain. Not something you will see on a dyno just at the track. This Ram air stuff kicks arse!!!!!!!
     
  4. ratio411

    ratio411 Member

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    I will bow out of the ram effect arguement right now.
    I have read many over and over on my other site, and I must admit when the engineers start pulling algebra out of their hats, I get lost.

    I still stand by my personal experience with the placement of the hood scoop and drawing in heat. IMO a scoop is better for this and asthestics in general.
    Who wants to hide their pretty engine under all that black plastic and shiny clothes dryer ducting.
    I know that is not totally accurate, but that is how it looks. :huh:

    Just my .02
    Dave
     
  5. courier11sec

    courier11sec Member

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  6. Rick Book

    Rick Book Member

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    You are correct. It was (is) one like this:

    [​IMG]

    with flexable ducts (dryer duct??) coming to the front of the grill.

    I agree with the idea of the coldER air being brought in at lower speeds
    with the initial intake of air being in front of the engine.

    I also suspect (and that's all it is) that there is no "RAMMING" of air - I do
    believe, however, that the combustion chambers fill with air easier than
    without such a device - by means of 'less restricted' air.

    Did I confuse anyone else besides myself? :drink:
     
  7. Erick-Mav

    Erick-Mav Maverick Punk

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    That's the one I want to get too. Do they fit alright? I prefer the stock hood look to an aftermarket scoop.

    Another company has them too. I saw it in last month's Race Pages. I'll have to look up the website...
     
  8. awannabegrabber

    awannabegrabber Always Learning

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    Are you talking like a shaker? i have done research on ram air and it is a cheap way to add performance, that is affective.

    www.FordRamair.com. i have beed told that a 351 Torino shacker will work on a maverick. but i have not herd of it being done.
     
  9. ratio411

    ratio411 Member

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    There is a pic of a brown 4 door in the photo section that has a Torino Shaker.
    There are pics in the forum of a 2 door with a Mustang Shaker. Do a search for that one.
     
  10. awannabegrabber

    awannabegrabber Always Learning

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    Yeah those boxes are way cheaper than a shaker.

    Does any body no if rain will affect ram air?
     
  11. mavman

    mavman Member

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    I've done lots of ram air stuff over the years, most notably an old SVO Mustang. I built a box that went under the bumper cover, one on each side, that replaced the fog lights and air was drawn in through the fog light holes in the bumper cover. Based on what was there (open element filter right on the end of the vane air meter (VAM) there wasn't much difference. Air intake temps dropped dramatically and so did ACT's (air charge temps) but power wise, there wasn't much difference. In theory (remember this is a turbocharged application) it should have picked up quite a bit of power, the open element filter that was on the VAM before was restrictive, which reduces the turbochargers pressure ratio (ratio of pressure before the turbo and after) and generally increases heat and pumping losses of the turbo itself.

    That said, on my Maverick, I saw NO gain whatsoever (no consistency gain, no ET/MPH gain) when putting on the front facing hoodscoop as opposed to a flat hood. The design I have now with the scoop is totally sealed to the throttle body so no air can come from underneath, only from the front of the car. At 126 mph trap speed, I would have thought that there would have been a slight increase in top speed...but none whatsoever. I would have been happy with 1 more MPH. A friend built a backwards facing air box that pulled air in below the windshield from the cowl area on a '68 Camaro and also saw no increase. I did, however notice a slight increase in power/torque on my old '83 F100 that had a 514 in it....just made an air box out of an old Mustang GT dual snorkel cleaner assembly and ran the tubes down under the bumper facing forward with some 4" tubing on each side. Biggest difference was when I'd stop for fuel, then take off...it would not boil the fuel and cause a lean condition nearly as bad as it did without the air box.
     
  12. awannabegrabber

    awannabegrabber Always Learning

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    yeah. did you have just a hose, or did you have some sort of a funnel at the beginning of the hose. that helps pull in air. NOT to sound like a smart alec or nothin to you all
     

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