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Engine Specific Info and Questions => IDI Engine => Topic started by: ilikevwdiesel on August 06, 2011, 07:39:36 pm
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have a 94 AAZ Golf engine going into my latest Caddy. It has a K14 turbo. In the past I have used a universal K+N filter mounted on the end of the rubber intake duct, but some folks tell me they don't keep the fine dust out like a paper element will. Wondering what experience other members have with this.
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You could try a Donaldson or similar truck style filter like i had on my Vanagon. Mine cost a little under $100
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I've run my truck for hours in 3' visibility dust storms, and not found any dirt downstream of the K&N(http://forums.turbobricks.com/images/smilies/dunno.gif)
But I can get you one of these If you've got the stones to pull it off;
(http://i18.photobucket.com/albums/b126/SVOlvo/FSTB/DVC01042.jpg)
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thanks guys, I was looking at this page:
http://www.bobistheoilguy.com/airfilter/airtest3.htm
that's where my concerns came from. I would like to find a GOOD filter for my new engine. K+N has been around for quite a while, so they must not be all bad.... ???
Hey 745, what's the filter you pictured? What is the intake flange diameter? And what do you mean by "stones to pull it off"?
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I've run my truck for hours in 3' visibility dust storms, and not found any dirt downstream of the K&N(http://forums.turbobricks.com/images/smilies/dunno.gif)
But I can get you one of these If you've got the stones to pull it off;
(http://i18.photobucket.com/albums/b126/SVOlvo/FSTB/DVC01042.jpg)
thats a skateboard above it..
"stones to pull it off" - do you have big enough balls to run this filter?
i would say its atleast 6" or 8" flange on the filter..
ive had a K&N on my rabbit for a long time.. my intake system is still as spotless as the day i put it on... they even work when there completely clogged up too..
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I didn't realize that was a skateboard, I honestly thought it was a liner for a watershoe. guess I got trolled a bit there :(
i hate trolls...
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nah, hes just playing.. i laughed when i saw what he posted.. ;D
then again, im used to seeing those filters, i build alot of green houses with extreme ventilation, and we use those style of filters alot.
NOT THAT HUGE, but use the same style..
just cut a hole in your hood for that air cleaner to stick up..
and look at it this way.. that air cleaner is SO HUGE, that you might have to clean it once every 10-15 years.. lol.
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That one's a 12" at the flange, about 2' long ;D
One day I will run one to some ricey show.
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That one's a 12" at the flange, about 2' long ;D
One day I will run one to some ricey show.
that, and a coffee-can sized tail pipe? ;D
OH, AND A SPOILER!!!
and maybe some v-tec injection?
LMFAO..
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nah, hes just playing.. i laughed when i saw what he posted.. ;D
then again, im used to seeing those filters, i build alot of green houses with extreme ventilation, and we use those style of filters alot.
NOT THAT HUGE, but use the same style..
just cut a hole in your hood for that air cleaner to stick up..
and look at it this way.. that air cleaner is SO HUGE, that you might have to clean it once every 10-15 years.. lol.
Green houses huh? Shouldn't you use carbon filters to filter the SMELL in a greenhouse? You know... So the neighbors don't complain and the cops don't show up?
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all thread derailers will be executed.
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nah, hes just playing.. i laughed when i saw what he posted.. ;D
then again, im used to seeing those filters, i build alot of green houses with extreme ventilation, and we use those style of filters alot.
NOT THAT HUGE, but use the same style..
just cut a hole in your hood for that air cleaner to stick up..
and look at it this way.. that air cleaner is SO HUGE, that you might have to clean it once every 10-15 years.. lol.
Green houses huh? Shouldn't you use carbon filters to filter the SMELL in a greenhouse? You know... So the neighbors don't complain and the cops don't show up?
nah, you use those when you just want to keep the dust out of your fans and ducting.. it doesnt matter how much it smells when its a legal product being grown..
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I fit a digi 2 airbox from a MK2 gasser into a Rabbit.
It was a digi 2 gasser Rabbit but all I had to do was cut a slot in the bottom for the pinch weld to slide into,.. so it would sit low enough.
I'm not sure how a turbo input hose would connect to it but I think it's bigger and better flowing than a MK1 TD airbox.
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I fit a digi 2 airbox from a MK2 gasser into a Rabbit.
It was a digi 2 gasser Rabbit but all I had to do was cut a slot in the bottom for the pinch weld to slide into,.. so it would sit low enough.
I'm not sure how a turbo input hose would connect to it but I think it's bigger and better flowing than a MK1 TD airbox.
the digi air box is definitely of a bigger capacity, but you gotta take that intake trumpet off it. the hole in the end of the trumpet is like 1" diameter.
if you were to enlarge the exit from the digi air box, it would be fine.. then just use one of those neuspeed P-flow (or something similar) kits, but use the air filter adapter backwards. instead of bolting it to the MAF, then clamping the filter to it, just bolt it to the air box (same bolt pattern since the MAF was already there once) and hook up your intake piping to the end of the P-flow kit where the filter would go..
i went with a custom intake on my TD.. the air filter is tucked in the inner fender well, right next to the water pump pulley. has a pod filter located low. if you lean down and look, you can see about half of the filter laying on its side down there..
im sure it sucks water, but i live in oregon, and i never had an issue with it..
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I know size doesn't have to be that large air cleaner wise, a N/A only pulls about 220 CFM (roughly 96 ci @4000 revs). What does a turbo pull in at say 15 psi? Double that?
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I know size doesn't have to be that large air cleaner wise, a N/A only pulls about 220 CFM (roughly 96 ci @4000 revs). What does a turbo pull in at say 15 psi? Double that?
atleast double.. because at 14.7 psi, its 2x atmosphere pressure.. so at 15 psi (we will round up from 14.7) your engine is inhaling double its original displacement. so i would say its atleast 440 cfm, if not more.. i would say that those of us with improved intake and exhaust systems can do better than the base line of 220 cfm @ 4000..
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You can use this site to determine how many CFM you are going to be pulling at a given RPM / pressure:
http://www.not2fast.com/turbo/glossary/turbo_calc.shtml
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How about a carbon cold air feed?
(http://i492.photobucket.com/albums/rr281/regcheeseman/nearly001.jpg)
You can see mine hiding under the intercooler pipe. The duct runs to the grille to get some nice cold air instead of sucking hot air in the engine bay.
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How about a carbon cold air feed?
(http://i492.photobucket.com/albums/rr281/regcheeseman/nearly001.jpg)
You can see mine hiding under the intercooler pipe. The duct runs to the grille to get some nice cold air instead of sucking hot air in the engine bay.
my setup is down low, right above the bottom lip of the fender.. tubing runs beside the frame horn. my engine aint getting no hot air..
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Ive had a cone filter, swiss cheezed airbox, and "cold air intake" on my hot rodded frankenmotor, and didn't notice a difference in egts or performance. On a turbo motor I think the exhaust is much more important than the intake.
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I lost 100F during cruise with a stock airbox and K&N filter over my cone filter setup. Under my hood is pretty hot and that cone sucked it all up. The stock box protects a bit better.
FWIW the cone I thought flowed better and I really want to do a setup like Regcheeseman someday. I thought of that before seeing his but haven't had a good way to do it yet.
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I lost 100F during cruise with a stock airbox and K&N filter over my cone filter setup. Under my hood is pretty hot and that cone sucked it all up. The stock box protects a bit better.
FWIW the cone I thought flowed better and I really want to do a setup like Regcheeseman someday. I thought of that before seeing his but haven't had a good way to do it yet.
take one of those mini beer kegs, install filter in there.. then run cold air to it..
LOL..
jokes aside..
i think the K&N panel flows just as good as a cone..
a modified digifant air box may yield even better results, as they have more surface area on the filter..
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i went with a custom intake on my TD.. the air filter is tucked in the inner fender well, right next to the water pump pulley. has a pod filter located low. if you lean down and look, you can see about half of the filter laying on its side down there..
im sure it sucks water, but i live in oregon, and i never had an issue with it..
With an intake that low, are you not worried of hydro locking the engine going through a puddle?
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i went with a custom intake on my TD.. the air filter is tucked in the inner fender well, right next to the water pump pulley. has a pod filter located low. if you lean down and look, you can see about half of the filter laying on its side down there..
im sure it sucks water, but i live in oregon, and i never had an issue with it..
With an intake that low, are you not worried of hydro locking the engine going through a puddle?
no, not worried at all.. i never drive my car in water that deep. the water would have to be pretty deep to get any at the filter.
as for it sucking up rain water, i ran it all of last winter, and it never hurt the engine.
a little splash from the puddle will barely make it to the engine in the form of water, more like a mist.. think about it, the air filter atomizes it, then the compressor wheel chops it up, and atomizes it more, then the intercooler probably atomizes it some more yet, then the engine inhales it..
it takes a direct dose of about 12cc of water to hydrolock our engines..
basically, you would have to have your air intake almost completely submerged, if not completely submerged for it to do that.
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How low is your intake? You said power steering pump and that's about what 8" off the ground? That's too low for comfort for me. I know someone with a TDI Jetta who recently hydrolocked his engine going though a deep puddle into a parking lot of a supermarket during a rain storm. Per his description it happened really fast, engine just stopped and won't restart, no noise. Bent 2 rods. His instake is stock so must be quite a bit higher than yours.
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i went with a custom intake on my TD.. the air filter is tucked in the inner fender well, right next to the water pump pulley. has a pod filter located low. if you lean down and look, you can see about half of the filter laying on its side down there..
im sure it sucks water, but i live in oregon, and i never had an issue with it..
With an intake that low, are you not worried of hydro locking the engine going through a puddle?
no, not worried at all.. i never drive my car in water that deep. the water would have to be pretty deep to get any at the filter.
as for it sucking up rain water, i ran it all of last winter, and it never hurt the engine.
a little splash from the puddle will barely make it to the engine in the form of water, more like a mist.. think about it, the air filter atomizes it, then the compressor wheel chops it up, and atomizes it more, then the intercooler probably atomizes it some more yet, then the engine inhales it..
it takes a direct dose of about 12cc of water to hydrolock our engines..
basically, you would have to have your air intake almost completely submerged, if not completely submerged for it to do that.
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i said the air filter is right beside my water pump pulley. literally.. like it almost touches.
if you are standing at the front passenger side of the car, standing back like 10-15 feet, you can see a corner of the air filter sticking down out of the fender well.
car is a mk1 rabbit. no power steering. would take a picture of it, but camera is dead.
that must have been ONE HELL of a mud puddle, and he must have been rippin thru it, to have the engine suck enough water to bend 2 rods..
i live in OREGON. on the COAST. its like, the wettest place on the planet.. ive had no water issues. and yes, my filter does get wet, my engine does inhale water. my air filter drips for minutes after a drive when its pouring rain..