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Post by jcline on Jul 10, 2007 13:17:54 GMT -5
howdy ya'll, As you may know i have a 1991 1.2l FI 5 speed Justy 4WD, and the stock intake has got to go. Anyone have pictures of theirs with a cone style filter?
I know about the sensors and stuff, how would I go about mounting them? Pictures would help WONDERS! Ive been searching online for a couple hours now.
Gotta get as much power outta it as i can, and increased fuel economy.
Also, has anyone gotten rid of that plastic intake tube that connects to the manifold? That thing is such trash, I wish there was a bypass for it.
Thanks in advance
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Post by baron on Jul 16, 2007 13:44:42 GMT -5
the standard kit is pretty good actually, and i think you will find it hard to get a pipe to go on the throttle body like the standard one does.
if you want more power just get the cylinder head worked on, forget wasting cash on silly induction kits, they only make the thing run horrible anyways (try putting the original setup back in a "inducted" car after good use and you will see it every time run smoother, with better fuel economy and less problems overall)
but it would sound good. just dont leave out the sensor and vacuum pipes mmmkay, you need them mmmkay
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SeattleJusty
No, a boxer will not fit in a Justy.
Posts: 1,587
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Post by SeattleJusty on Jul 17, 2007 18:36:20 GMT -5
Oh my god I agree with Baron 100%. Take a really good look at where those hoses go and where the airbox sits. Now look where the opening of the airbox gets its fresh air from. It pretty much gets air from the grill area. All of those conical "cold air" kits I see, just seem to have a giant sized pipe with a cone filter sitting next to the engine. That's hot air! Baron's right. The "tuner" market place has trained people to think a certain way and to waste hard earned money on bolt ons that don't really improve performace (or anything) but really just look sexy instead.
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Post by baron on Jul 18, 2007 13:03:54 GMT -5
;D
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Deleted
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Post by Deleted on Feb 19, 2008 11:08:00 GMT -5
I found a K&N panel filter that was fairly close to the Justy's filter. I had to cut off about 1/4" off one side and about the same off the same side's flange. It fits nice, and now I know I never have to find a replacement filter. Plus, I am using the stock airbox which isn't really so bad and it seems like it has made a difference. I also smoothed out the openings in the airbox as they were very abrupt and i notice on other cars (my R32 for example) the intake is flared, so it must be for a reason eh? The filter I used was a 33-2827 I think, I will find the box and confirm it if anyone is curious. I used a standard utility knife to cut the rubber.
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Post by gearheadeh on Feb 24, 2008 23:35:11 GMT -5
Yes Iam interested.. is that the exact P.N. and what application was it intended for?.
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Post by Deleted on Mar 2, 2008 16:52:16 GMT -5
Yes Iam interested.. is that the exact P.N. and what application was it intended for?. Howdy.. Sorry it took so long to get the info!! It is a 33-2827, and I don't know what it was for - I got it from the section where you look up the filters by dimensions, and it was the closest to the one in my airbox... I also removed the snorkus from the fender, and this combined with the K&N Filter has made a very positive difference in the car's performance and fun level. It also growls at WOT.. Fun! Pics: The OEM and the K&N from the top.. The same from the bottom... The side that I modified (cut off about .25" from side and flange): In the airbox... Underhood shot... Way too bright to take pics, plus the Justy is dirtier under the hood than it's been in months...
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Post by jradsan on Apr 1, 2008 3:36:28 GMT -5
one reason i dont like the set up of the plastic intake system is because of the way that it goes right over the headers. when the car is running that plastic heats up quite a bit and i think by doing this your getting warmer air and losing a lot of air density. i wish that i could find a plastic system that turned right instead of left. what you guys think about the amount of loss from the headers heat?
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Deleted
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Post by Deleted on Apr 1, 2008 19:03:11 GMT -5
one reason i dont like the set up of the plastic intake system is because of the way that it goes right over the headers. when the car is running that plastic heats up quite a bit and i think by doing this your getting warmer air and losing a lot of air density. i wish that i could find a plastic system that turned right instead of left. what you guys think about the amount of loss from the headers heat? I see what you mean, but the difference my small changes have made have been huge, so I am happy with it. I feel that the heat-shield on the exhaust manifold really does a lot to help, and I have some titanium sheet that I am going to slightly improve it with. I will leave the stock intake as I have left it because I feel it's good enough, and that even if you had a pipe on the rear side with say an L directly off the throttle-body, it would be cooler, but probably so insignificant that it's not worth it. Also - if you made it from metal, it would be far worse than the plastic tube in the first place.. Another point to consider is once the air enters the metal intake manifold, all bets are off and even if you could lower the intake temp at the tube by 10 degrees, it wouldn't make a difference in the plenum. I could be way off there, but it's just what I am thinking.
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Post by jradsan on Apr 1, 2008 21:06:50 GMT -5
thank you for you imput into this situation. i really like what you did with the K&N air filter and i think that once i get another justy i will get the same one that you have!
also about the snorkel that you removed. on m yold justy i drilled holes in the side of it so that it would allow more air flow, but i think that your idea of just taking it off completely works a lot better. at what point did you remove it? once it went back into the engine bay or what? do you have any pictures of what it is when you had the fender off?
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Deleted
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Post by Deleted on Apr 2, 2008 12:09:30 GMT -5
thank you for you imput into this situation. i really like what you did with the K&N air filter and i think that once i get another justy i will get the same one that you have! also about the snorkel that you removed. on m yold justy i drilled holes in the side of it so that it would allow more air flow, but i think that your idea of just taking it off completely works a lot better. at what point did you remove it? once it went back into the engine bay or what? do you have any pictures of what it is when you had the fender off? Here's a picture of what I removed: farm4.static.flickr.com/3165/2383336266_76fd702af5.jpg?v=0I did not need to remove the fender for this - but having the bumper cover off helped. I pulled the fender liner down in front, and with the removal of one nut near the airbox and two bolts down lower - it just pulled out. Now, you can hear the car at idle and lots of intake noise as RPMs rise which is pretty cool. I checked my filter after the rallyX I did, and it is just fine. I think this is only there for sound since the intake hole is at the same height as the current hole when it's mounted to the car.
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Post by lifegoeson90 on Apr 3, 2008 11:41:54 GMT -5
see my slick setup?
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SeattleJusty
No, a boxer will not fit in a Justy.
Posts: 1,587
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Post by SeattleJusty on Apr 7, 2008 10:42:27 GMT -5
one reason i dont like the set up of the plastic intake system is because of the way that it goes right over the headers. when the car is running that plastic heats up quite a bit and i think by doing this your getting warmer air and losing a lot of air density. i wish that i could find a plastic system that turned right instead of left. what you guys think about the amount of loss from the headers heat? I meant to chime on on this many days ago but the stresses of moving into another house and moving a shed-load of Justy spares, has kept me away. Look, here's the deal; The Fuji engineers are smart people, smarter than you & I. There is nothing wrong with that stock intake system. It is big enough to allow enough air for a 1200cc engine at anything below 5000RPM. The intake tract takes cold air from the front of the car, through a plastick tube that does not heat up enough to change the temperature of fast moving air. All of those cone filter arrangements that you see, basically make your engine growl louder and take hotter air from the engine bay instead of cooler air from the outside. If your butt-o-meter tells you that your car is faster, it is merely a placebo effect. Put your money where your mouth is and strap down on a chassis dyno. I guarantee you won't make any more power with those silly cones. Listen to Baron. He had it right the first time.
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Deleted
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Post by Deleted on Apr 9, 2008 13:20:17 GMT -5
one reason i dont like the set up of the plastic intake system is because of the way that it goes right over the headers. when the car is running that plastic heats up quite a bit and i think by doing this your getting warmer air and losing a lot of air density. i wish that i could find a plastic system that turned right instead of left. what you guys think about the amount of loss from the headers heat? I meant to chime on on this many days ago but the stresses of moving into another house and moving a shed-load of Justy spares, has kept me away. Look, here's the deal; The Fuji engineers are smart people, smarter than you & I. There is nothing wrong with that stock intake system. It is big enough to allow enough air for a 1200cc engine at anything below 5000RPM. The intake tract takes cold air from the front of the car, through a plastick tube that does not heat up enough to change the temperature of fast moving air. All of those cone filter arrangements that you see, basically make your engine growl louder and take hotter air from the engine bay instead of cooler air from the outside. If your butt-o-meter tells you that your car is faster, it is merely a placebo effect. Put your money where your mouth is and strap down on a chassis dyno. I guarantee you won't make any more power with those silly cones. Listen to Baron. He had it right the first time. All good points, and on top of that I have heard of issues on smaller engines such as this where due to the larger diameter of the new non-stock intake tube, intake velocity is also hurt. Personally I think the biggest benefits of the stock intake, aside from the obvious ones regarding it being engineered for the car, is the fact that it is a true cold-air intake and as SJ mentioned, will not heatsoak nearly as bad as metal. I am serious, my mildly modified stock intake made a huge difference. I would be willing to dyno it as well if someone is interested, however I am not really willing to put the snorkus back in - I can do with/without the K&N vs stock paper at least.
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Post by spiked3cylinder on Feb 10, 2010 15:36:19 GMT -5
Well Wombatsauce, I finished a replication of your mod....without the snorkle removal. Unfortunately, my k&n mod took quite a bit more trimming but it seems to fit it. None-the-less, it looks like shit, but it sure performs better. Acceleration seems smooth and effortless....a bit less gas is required to accelerate to speeds I hope it has a positive effect on my gas mileage too! thanks, Adam
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Post by spiked3cylinder on Feb 17, 2010 11:31:08 GMT -5
YES!!
My car needed air!!! It could be that my old air filter was a bit dirty...but, even so I like this easy mod. And yes, as expected, my mileage did improve. I believe this to be my culprit all along....should've changed that damned filter a while ago.
Anyway, I suggest this to anyone who wishes for a bit more snot out of Justy. -Adam
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Post by zach on Apr 5, 2010 10:27:02 GMT -5
I did this mod this weekend. You have to remove 1/4" of material from every side in order for it to fit...but it's been great since. I just need to remove the resonator/torque box from my set up.
I also installed new plugs and taylor 8mm wires. I now hold steady/gain speed going up decent hills in 5th instead of losing momentum!!
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Post by spiked3cylinder on Apr 7, 2010 16:30:28 GMT -5
zach,
Cool! I definitely thought this "mod" was worth the effort. I did indeed trim about that much from 3 sides. I believe I'm going leave the snorkel resonator thing in. I love hitting puddles at speed too much to sacrifice that.
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Post by zach on Apr 8, 2010 12:03:18 GMT -5
Hitting puddles shouldn't be an issue, unless you're going to be submersing the justy into wheel well high water But I've noticed a decrease in mileage... Hard to keep it to just 60mph on the freeway now. my speed is averaging 65-70mph with revs in the 3.8-4.2k range
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Post by spiked3cylinder on Apr 9, 2010 17:27:18 GMT -5
A decrease in mileage? Really?! Mine actually increase a tad. But, my previous air filter was long over-due to be changed.
haha, I just may want to puddle through some wheel well high water!
What's your altitude?
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