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Air intake mod on 258? |
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Gelalthedamned
AMC Nut Joined: Nov/28/2014 Location: Athens ga Status: Offline Points: 376 |
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Posted: Jul/19/2019 at 10:31am |
because..guess what
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Calamity - 73 Gremlin X zombie rod (daily driver)
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Gelalthedamned
AMC Nut Joined: Nov/28/2014 Location: Athens ga Status: Offline Points: 376 |
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Billd...do you like Star Wars?
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Calamity - 73 Gremlin X zombie rod (daily driver)
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ChillyB
AMC Nut Joined: Nov/14/2018 Location: PA Status: Offline Points: 371 |
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Running an AC compressor (parasitic load) to cool your air charge is not a way to make power. It's a reasonable way to lose power, and without making the cabin comfortable. The compressor will sap more power than the cooler charge could ever provide.
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billd
Moderator Group Forum Administrator Joined: Jun/27/2007 Location: Iowa Status: Offline Points: 30894 |
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LOL - it's an Eagle. Two vacuum cans - one for the HVAC and such, another for the Select Drive system, PDC (Power Distribution Center), PCM (hidden under right hood hinge- - oh THAT was fun!!), coolant recovery, cruise control, headlight relays, mega-wiring for the EFI and sensors and all that stuff, foglight wiring to PDC, washer tank, air filter box, power brakes, hydraulic clutch master cylinder, front differential hangs from engine mount brackets, EFI fuel rail, all the AC stuff....... and I'm sure I'm forgetting about something. The engine bay is only a fraction the size of my Javelins and the 4.0 isn't a tiny six. |
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Gelalthedamned
AMC Nut Joined: Nov/28/2014 Location: Athens ga Status: Offline Points: 376 |
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Guess which object I didn’t calculate the space for?
*Make it fit* -the horn is now in the forward section offender well
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Calamity - 73 Gremlin X zombie rod (daily driver)
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Gelalthedamned
AMC Nut Joined: Nov/28/2014 Location: Athens ga Status: Offline Points: 376 |
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You don’t care but, this first part should be in the rants and raves section- the plenum base I got didn’t even kinda fit over the top butterfly section. But with an hours worth of hand filing, it now slips down to the bottom ...with a few taps around the edges.
Guess how many of my attaching bolt holes lined up with the carburetors holes? 2 & 1/2. This is on the back burner till I find my dremel. In the meantime, my constant vacuum from the intake header got relocated from my pcv and now runs into the charcoal canister. (That thing is going inside the airbox too)
My idle speed increased X300. What’s that about? Rumor has it that you can increase density by length of pipe. Pressure and volume are separate from that and are dictated by diameter and velocity (velocity can be augmented by diameter too...less than 15degree transitions between stepped sizes is the magic #) temperature has too many variables, but if I had an air conditioner in this car...i’d so be running a duct from that thing into the airbox
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Calamity - 73 Gremlin X zombie rod (daily driver)
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Gelalthedamned
AMC Nut Joined: Nov/28/2014 Location: Athens ga Status: Offline Points: 376 |
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I made a mock-up for how I’m gonna cut that.. and have a butterfly tied to my throttle position...mostly for just to be wtf. The ducting under the hood will be a little tricky, but it’s basically just an elbow dump into my shoddy cold air box. Give me a week or so, and I’ll take pics of the finished mod-wreck.
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Calamity - 73 Gremlin X zombie rod (daily driver)
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Gelalthedamned
AMC Nut Joined: Nov/28/2014 Location: Athens ga Status: Offline Points: 376 |
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Know how there’s kind of a scoop design on the hood of the 73 Gremlin?
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Calamity - 73 Gremlin X zombie rod (daily driver)
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tomj
AMC Addicted Joined: Jan/27/2010 Location: earth Status: Offline Points: 7544 |
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at some risk of starting a religious argument... below
0.3 mach, about 230 mph, air is basically incompressible. a very well
designed scoop at 230 mph can produce up to couple percent pressure
increase. at low speeds it's like holding a cup out the window; the air
simply spills around the obstacle. i think the main reason they appear on cars to to get at cooler air. i mean besides for how they look. inserting a filter in a scoop would negate any pressure increase, even at mach 0.3. a
lot of NASCAR cars pick air up from the little grille under the wipers
(cabin air intake) i think mainly because air tends to pile up at the
windshield, and "probably" there at least isn't stalled air or low
pressure there. no one wants to chop their car up for that! NASA should be fairly credible in this department: https://www.grc.nasa.gov/www/k-12/airplane/machrole.html "As an aircraft moves through the air, the air molecules near the
aircraft are disturbed and move around the aircraft. If the aircraft passes
at a low speed, typically less than 250 mph, it is observed that the
density
of the air remains constant." i
wonder too, just how much denser cool air is, actually, than warm air.
as in molecules of oxygen per unit volume. the math is classically
straightforward, not that i know it at all! lol.
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1960 Rambler Super two-door wagon, OHV auto
1961 Roadster American, 195.6 OHV, T5 http://www.ramblerLore.com |
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Gelalthedamned
AMC Nut Joined: Nov/28/2014 Location: Athens ga Status: Offline Points: 376 |
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Know what I don’t have? That hole But I can make one! *i’m thinking boxed filter there is the way to go With a tunnel feed into it from that spot I cut out on the top there -I drive through mud every day |
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Calamity - 73 Gremlin X zombie rod (daily driver)
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