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Author
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Topic: Stock air cleaner a breahting restriction?
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grandestang
Gearhead Posts: 203
From: Lake Bluff, Illinois USA
Registered: Jan 2003
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posted 10-20-2003 04:08 PM
   
I think it would be really cool to use the original air cleaner after I rebuild/overhaul my engine. It would give it such a sleeper look. With the mods I plan though heads, cam, intake, etc. (a stout 350-400 horse 351W) would this be a major breathing restriction. I am thinking "yes" as it looks like there is just a small snorkel for the engine to breath. But it would give the engine such a sleeper look to use that big ford blue cleaner, matching with the blue "powered by ford valve covers". Would there be any way to free up airflow going in? Or should I just scrap the idea and go with an open element filter?Paul ------------------
1970 Grande
H code 351W FMX
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kid vishus
Gearhead Posts: 4792
From: middle of NC
Registered: Oct 2000
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posted 10-20-2003 04:33 PM
I would use an open element 'plain jane' air cleaner, and put a stock Ford sticker on it. The chebby boys wont know any different.
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indyphil
Gearhead Posts: 916
From: Lafayette, IN, USA
Registered: Jul 2002
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posted 10-20-2003 05:02 PM
Paul, I have an open element type with a 289 sticker on it, it looks like a hipo 289 engine and just "looks right". If you know mustangs well you would know its not stock, but then most people dont know or care its just a generic chrome 14 inch cleaner.I dont think the regular air cleaner is a big restriction but you could fabricate a cold air kit out it to make it go faster - that would defeat the stock looking sleeper idea though. I have to say i think the sleeper "look" is more about keeping stock hood and wheels, no big tach or wide rear tires. Most people wont see under the hood - which is where you can really go to town so when they ask you to see the engine they can see exactly how come that stock looking mustang blew their doors off. You can make a stock looking engine package go fast, but it will take more time and effort and ultimatley you cant hide headers, or the sound of a big cam so you will be limited in power. ------------------
'68 coupe 289 C code
66 heads, edel 600cfm carb, performer intake, dual exhaust
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grandestang
Gearhead Posts: 203
From: Lake Bluff, Illinois USA
Registered: Jan 2003
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posted 10-20-2003 05:10 PM
quote:
Originally posted by indyphil:
I have to say i think the sleeper "look" is more about keeping stock hood and wheels
Ooops  Already got new wheels. But the old hubcapped skinnie steel wheels haaad to go. The car is a grande so that almost makes it a sleeper in itself. Then again I don't think any mustang can really be a sleeper. Like those supposedly "plain jane" fastbacks you hear about with no options but a 428 SCJ, well I'd give it respect if I saw it on the street. You never know what your gonnna find.
I just think a car that looks pretty much stock that goes fast is real cool. True you cant hide headers, but some Ford blue paint on valve covers, head, engine block, intake manifold will go a long way  . I do think I'll end up going with the open element with a 351 sticker on it.
Just a random idea i threw out there.. Paul
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1970 Grande
H code 351W FMX
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Dubz
Gearhead Posts: 604
From: Manitoba Canada
Registered: Oct 2002
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posted 10-20-2003 05:20 PM
So my custom cowl hood, MT tires, rollbar, and race seats make my car non-sleeper...darn :PI'd rather go pro-street anyway
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ZEATER
Gearhead Posts: 104
From: Mount Pleasant,IA,USA
Registered: Aug 2001
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posted 10-20-2003 05:27 PM
I run a shaker on my 69 Mustang. I ran it at the track without an air cleaner and with a K&N. The car ran 1/2 mph faster with the air cleaner installed.Go figure.
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kid vishus
Gearhead Posts: 4792
From: middle of NC
Registered: Oct 2000
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posted 10-20-2003 05:39 PM
For the sleeper look, I had an Edelbrock performer I took the grinder to and removed the word "Edelbrock." Some Ford blue paint, and it looked like a stock intake. A plain air cleaner with a 302 4v sticker, and the chebby guys couldn't tell it was a 2v headed cleveland (I ground the '2' off the corners of the heads too.)
Whne they would comment "wow, that looks kind of big for a 302," I would respond, "well, the engine compartment is a lot smaller in these cars than you would think." Not one of them ever questioned it.
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Fastymz
Moderator Posts: 12173
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 10-20-2003 07:30 PM
LOL @ Rob Paul I understand about the sleeper look. Thats what I've done with my car.With a twist my car looks fast but acts like it's sleeping on the track. The people that run faster then me at track. Will come over and ask me if I'll run them all out next time.  I've seen some real fast cars with stock air cleaners. Will the motor breath better with a different air cleaner YES it will. But your car may only run .1-.2 slower with the stock air cleaner. And if it's the look you want and your not worried about the fastest time.Then go for it.
You could always use the stock one around town and an open air cleaner set up for the track. Because we all know you CAN'T and don;t race on the street. ------------------
SCOOP 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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stang106
Gearhead Posts: 736
From: God's Country!... Port Alberni B.C. Canada
Registered: Jul 2001
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posted 10-21-2003 02:58 AM
Paul,
I like your thinking here; I've done the same thing. I took a stock large 1970 aircleaner housing and cut an oval out of the back which is as high as the bends in the housing. You can't see the cut out when installed. I also removed the warm-air-flapper thingy and spring from the snorkle and ground down the remaining protrusions in the snorkle. And last I have a K&N air filter that is high enough to lift the air filter lid off the housing a 1/4 inch but you can't tell from looking at it. A K&N Stub Stack also works well to smooth out the airflow. My car is full of these little tricks which do add up.
Dave
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grandestang
Gearhead Posts: 203
From: Lake Bluff, Illinois USA
Registered: Jan 2003
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posted 10-21-2003 02:00 PM
quote:
Originally posted by stang106:
Paul,
I like your thinking here; I've done the same thing. I took a stock large 1970 aircleaner housing and cut an oval out of the back which is as high as the bends in the housing. You can't see the cut out when installed. I also removed the warm-air-flapper thingy and spring from the snorkle and ground down the remaining protrusions in the snorkle. And last I have a K&N air filter that is high enough to lift the air filter lid off the housing a 1/4 inch but you can't tell from looking at it. A K&N Stub Stack also works well to smooth out the airflow. My car is full of these little tricks which do add up.
Dave
Dave, I like your thinking too. I might have to employ some of those tricks. K&N filter, or something high flow is a musht, and that metal flapper just has to go. Or heres an idea I just thought of, maybe I could use the lid from the air cleaner of a 69 or 70 shelby. (replica or something cheap of course) There is a gap for the ram air, as the lid has a smaller diameter than non ram air cars. Heres a pick if you don't know what I'm talking about.
http://images.traderonline.com/img/10/dealer/1313915/47472758_3.jpg
I'm thinking that gap would leave room for some airflow, and with a 351-2V sticker on the lid, no one would look twice. Paul
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stang106
Gearhead Posts: 736
From: God's Country!... Port Alberni B.C. Canada
Registered: Jul 2001
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posted 10-21-2003 11:05 PM
That style would work better yet-and it would also hide that big Holley! For next year Roger is helping me fabricate a stock-looking duel snorkle with six inch ducts to the rad support. David Vizard's research found a significant gain using both cool and pressurized air supply. The front of my '70 is a huge air dam building up pressure so I'll give it a try. Let us know what you decide to do.
Dave
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Fastymz
Moderator Posts: 12173
From: Reno Nv USA MEM#1240
Registered: Apr 2001
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posted 10-22-2003 01:41 AM
Dave I've read his book many times. Lots of good info and tips in there. He also said that COLD helps more then forced air. But the both together is even better.
I also run a stub stack. ------------------
SCOOP 2.26 60'S
14.9 @ 90.86MPH 65 coupe,351w,C4,Big Boss 429 hood scoop,8" 3.40 TracLoc. My Pics
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