Hot Air ?

The guy@ my local performance shop told me I would be better off w/ a K&N drop in filter as opposed to JWT POP, b/c of stock G20 CAI snorkle. He said the POP takes in "hot air" and I eventually lose power. But I think the stock "snorkle" doesn't take in enough air?(I'm no engine whiz)

Is what this guy said true (or hot air):confused:

Are the K&N drop in filters any good (HP):confused:

Sorry if this was asked before, I tried to look for related topics and I know this ain't a real stumper. I trust you people more than> shop dude.

Thanks!
f-bOmb!:smoker2:

Originally posted by "G"-sus!
The guy@ my local performance shop told me I would be better off w/ a K&N drop in filter as opposed to JWT POP, b/c of stock G20 CAI snorkle. He said the POP takes in "hot air" and I eventually lose power. But I think the stock "snorkle" doesn't take in enough air?(I'm no engine whiz)

Is what this guy said true (or hot air):confused:

Are the K&N drop in filters any good (HP):confused:

Sorry if this was asked before, I tried to look for related topics and I know this ain't a real stumper. I trust you people more than> shop dude.

Thanks!
f-bOmb!:smoker2:

Good thing too. He's a monkey. :monkeypis

While moving, the air at the POP Charger will be within a few degrees of ambient. You are better off with the POP. A CAI will be better, but not because of air temp, but because the longer intake tube has resonance tuning effects that will increase hp.

I have a Ractive heat shielded filter and it do's a real good job of keeping the heat out, for example I used to run the top half of the stock air box with at k&n taped on wich made a difference in noise and performance but the tubing to the tb would get real hot after running it for a while so I knew I was sucking in hot air, now with the ractive I can run all day long and the tubing is still cool to the touch. Also the ractive was only $30 bucks and you can get a 3" MAF adapter to mount it, I know it dosn't have the venturi like the pop but it works fine for me and I saved about $100 bucks, plus the sound is realy cool.

i'd like to see a picture of this heat shield...

anyone know where i can get one for a p10???

-clifford

Just wondering!

Doesn't any of you guys have this shield under your gearbox with an "edge" on that makes the air go up around the engine!? It is standard in Denmark! And the temperature around the Filter is almost the same with this shield/plate as with the CAI!?

Hop you can understand what I'm writing! It is a little difficult to explain, but I can try to take some pictures! :)

Here is an article an picture of it. You can find out more info by searching the web for ractive filter.
http://www.ctamotorsports.com/ractiveproducts/ractiveintake.htm
You can get it cheaper then they have it listed for, I have seen them as low as $25.
Hope that helps.

That Ractive filter looks restrictive as hell. I have my doubts that the "heat shield" would really do anything at all to shield away heat. If the air near that shield is hot, that same air is going to be what gets pulled into the filter. I think a person would be much better off going with a CAI or even the POP and an aluminum heat shield between the engine and the portion of the engine bay where the filter sits.

I have heard all of these arguments before I bought the filter but I figured for the price what the hell. I can tell you that the heat shield do's work compared to my previous setup because I have felt the temperature differences myself, I have the front of the intake facing the area between the battery and fender so it mostly pulls in air from that cavity which is why it gets colder air, and as for being restrictive it doesn’t seem to be lacking any airflow as far as I can tell it's seems much better then the stock intake (it feels like I have power all the way to redline instead of falling off after 6k) and even a little better then the open stock air box. I am not saying this will compare to a true CAI but for what I paid for it I am very happy with the results and I don't think that a pop will give much more, if any, increase over my setup.

I'm sorry but Ractive Filters suck, There a shitty design, i think you would be better of with a K&N filter instead of the ractive, My brother had on and it fell apart and it didn't do anything for the heat, plus with that design all the air is sucked in from one small point at the front of the filter instead of all around like a normal filter. I think the fact of the matter is if its under the hood a foot away from the engine its gonna get warm no matter what kind of plastic you use.
The guy at you local shop is a dumbass. If it were up to me i'd go back and ask him again and when he explains it start laughing at him. Then when he asks why you laughing just say it offical i have met the biggest dumbass on the planet. Why do you work here?
Thats the reason why i won't even bother talking to those guys about mods and i come on here to get information from people that actually know about cars, my car in specific. I'd say go with a POP Charger or a CAI. My CAI was one of my favorite mods i did, it sounds good and it i gets cold as hell.
The stock tube that runs down from the intake i believe goes down to the resenator which is a large plastic box with no openings, its been awhile since i took mine air box off and kicked it so i don remeber. But by adding a pop charger or CAI i think you will open up air intake system a little better then stock, so in other words its an improvement.

ok guys, from those pics on the Ractive website- i designed my own heat shield...

i took a plastic red dixie cup and just covered my filter... thereby totally suffocating it...

should work as good as the one those guys are selling for $35.00

if you want a custom one for your filter too from me- i'll sell these babies for a mere $9.99!!!

GET 'EM WHILE THEY'RE HOT BABY!!!!!!!

-clifford

Originally posted by cliffud
ok guys, from those pics on the Ractive website- i designed my own heat shield...

i took a plastic red dixie cup and just covered my filter... thereby totally suffocating it...

should work as good as the one those guys are selling for $35.00

if you want a custom one for your filter too from me- i'll sell these babies for a mere $9.99!!!

GET 'EM WHILE THEY'RE HOT BABY!!!!!!!

-clifford

:spit: :hehehe: :hehehe: :hehehe:

You need to add the extra filtering element in with that kit too, for extra protection... just add a big plastic bag that can be duct taped around the cup/filter to prevent any debris from coming in contact with the filter, maybe sell that kit for a mere $14.95 :hehe:

Ok, I'm sure that Ractive is not the best for our car other wise everyone would have one, I know that a CAI would be a 1000% better and I'm sure the pop is better quality and probably will give an extra pony or two. That said let me explain how I look at it. It doesn’t matter if you have a filter the size of the engine bay the air still has to flow through a 3" opening to get into the MAF, an open filter will and do's suck in hot air, the Ractive filter do's keep some of the hot air out because I have felt the difference (I don't car if Jesus comes down from heaven and tells me it doesn’t work, I have felt the intake tube before and after and with the Ractive it is cooler then with an open box). I paid $30 for a mod that I enjoy and I feel that helps the car's performance, I could have paid $130 + for a pop and got a whopping 3hp but I went a different route, I wish I had $250 for 8-10hp the CAI would give but unfortunately I have other bills that need to be paid first. These are only my opinions and others will differ but I figured I would share my experience to hopefully show that there are other options besides the norm. You can take any type of cone filter with a 3" opening and use a MAF adapter to mount it, or you can use a filter with a 4" opening and use the brass venturi inside the stock air box to mount it, any of these options will help your engine breathe better and are cheaper then a pop but you might get a bunch of people making fun of you for doing it so it is up to you.

Originally posted by gdalton
any of these options will help your engine breathe better and are cheaper then a pop but you might get a bunch of people making fun of you for doing it so it is up to you.

When you said something about a heat shield- this is what I thought you were referring to:

http://www.rodmillenstore.com/is_300/intake.htm

Although that kit is for a lexus is300- I was thinking that you found something similar for our little G20s.

:rolleyes:

-clifford

Now that would be a nice setup.

That's the kind of heat shield that i was talking about. It would make a perfect team along with the JWT POP. I don't think this would be too difficult to make. Just take a sheet of aluminum and bend/cut it to fit. Add a little door edging trim to cover the sharp edges and voila! I had been thinking about getting a CAI but was hesitant because of all the rain we get here in Seattle. I think i may get the JWT and fabricate my own aluminum heat shield instead (plastic would probably work better, but would be harder to make keep it's shape). Because of the location of our air inlet, you'd almost have to relocate the battery for this to work though.

I got my CAI new for $100.....:D , but yes a $30 filter is obviuosly cheaper and is an improvement over stock, but in my experience with Ractive isn't a really good one so i choose not to buy there restrictive product.

Also i bet you could make some sort of heat shield like that one for the lexus buy modifying you stock airbox a little bit. Not postive but i bet it could be done.

Where did you get a CAI for $100? I am interested in getting one for my car but i am not sure where to get it. I can't decide on a CAI or POP yet either I want the power increase of a CAI but i think the POP looks better and don't have to worry about the water issue.

I figured I was better off w/ my JWT POP. I woulda been pissed if a $50 drop in filter performed better than> a $130 POP. I don't know if he was tryin' to get a sale or what, but he seemed very sure of his answer (after looking under the hood).

I like that Heat Shield for the Lexus! I can't really tell but it looks like it redirects air from the grille to the POP. It prob. would be hard to MAKE this for a G20 !
I wonder if you can direct cool air from fenderwell (like a CAI) w/ a pipe towards the POP w/o connecting it to the POP for this (Lexus heat shield) effect. Please let me know if anyone trys to make one ( or can find one 4 G20) and post pics.

Peace!
f-bOmb!:smoker2:

How come that your CAI's are so expensive!?

Our K&N only cost 46 USD and it look the same! :)


http://files.automotiveforums.com/uploads/684726KN.jpg

Originally posted by TeamNissan
How come that your CAI's are so expensive!?

Our K&N only cost 46 USD and it look the same! :)


http://files.automotiveforums.com/uploads/684726KN.jpg

That's not a cold air intake. A cold air intake replaces the stock intake piping after the MAF and includes a pipe before the MAF that goes into the fender well, out of the engine bay.

It sucks *slightly* cooler air, but the extra length has resonant tuning effects that make a fair bit more power.

Originally posted by P10DET


That's not a cold air intake. A cold air intake replaces the stock intake piping after the MAF and includes a pipe before the MAF that goes into the fender well, out of the engine bay.

It sucks *slightly* cooler air, but the extra length has resonant tuning effects that make a fair bit more power.

Now I'm a little confused :bloated: Will that say that the filter is placed behind the fender!? Or is it just because there is a pipe from the fender to the filter!? Because we have some K&N pipes from the fender to the filter for around 9USD and then it is still much cheaper than your CAI!?

Am I totally off!?!?

CAI = Cold Air Intake right!!*LOL*

Originally posted by TeamNissan


Now I'm a little confused :bloated: Will that say that the filter is placed behind the fender!? Or is it just because there is a pipe from the fender to the filter!? Because we have some K&N pipes from the fender to the filter for around 9USD and then it is still much cheaper than your CAI!?

Am I totally off!?!?

CAI = Cold Air Intake right!!*LOL*

Working backwards from the throttle body.....

There is a pipe between the TB and the MAF. Then there is a pipe between the MAF and the filter. The pipe runs through the coachwork into the fender where the filter is attached.

Thats just a K&N cone filter. The one I'm talkin' 'bout is a K&N drop in replacement for your stock filter (no bolting just "drop it in")

The other thing I meant is instead of CAI connecting to the filter just a pipe from the fender redirecting cool air to the POP. Check out this link to see where I'm talkin' about.

http://www.sr20de.net/engine/cool_air_intake.html

L8R
f-bOmb!:smoker2:

Originally posted by "G"-sus!
Thats just a K&N cone filter. The one I'm talkin' 'bout is a K&N drop in replacement for your stock filter (no bolting just "drop it in")

The other thing I meant is instead of CAI connecting to the filter just a pipe from the fender redirecting cool air to the POP. Check out this link to see where I'm talkin' about.

http://www.sr20de.net/engine/cool_air_intake.html

L8R
f-bOmb!:smoker2:

Dude, that is a CAI in the link.

Originally posted by P10DET


Working backwards from the throttle body.....

There is a pipe between the TB and the MAF. Then there is a pipe between the MAF and the filter. The pipe runs through the coachwork into the fender where the filter is attached.

aaaaaaaaaahhhhhh thanx......

Then a "standard" like mine is called a POP charger!?

It is just a matter of getting them converted we don't have these real CAI here in Denmark!! Probably because we have too much rain! ;)

But we have POP chargers and pipes to lead cold air up to the filter, but as it isn't the temperature of the air that is the most important but the resonant effect of the longer pipe that is important, then there isn't much reason to have a pipe transporting cold air up to the POP!? Right, Especially in Denmark where it is cold anyway! :)

OK I got the differences between POP and CAI Thanx! ;)

Dude, that is a CAI in the link.
Yeah, I know that. I was going back to that heat sheild link http://www.rodmillenstore.com/is_300/intake.htm only where the air is redirected from grille on the Lexus, redirecting it from our wheelwell like where the CAI is conneceted in the sr20de link and create a "heat sheild". But I guess if its the "resonant tuning effects that makes a fair bit more power", the heat sheild wouldn't make much difference.

It (Rod Millen heat sheild) says it increases the IS300's HP to 225! How much HP is it gaining from the heat sheild? Maybe thats "hot air":)

Peace!
f-bOmb!:smoker2:

Originally posted by cliffud
i'd like to see a picture of this heat shield...

anyone know where i can get one for a p10???

-clifford Hey I can sell you a filter witout heatshield for really cheap......I have it sitting around.....let me know if you are interested.....this goes for everyone.....I paid like 40 for it......really good quality! :alien: :bloated: :licker: :smoka: :flash:

Originally posted by TeamNissan
But we have POP chargers and pipes to lead cold air up to the filter, but as it isn't the temperature of the air that is the most important but the resonant effect of the longer pipe that is important, then there isn't much reason to have a pipe transporting cold air up to the POP!?

Well, little things do help, but the cold air itself is not the source of the power - you are quite correct. At speed (normal highway speed), your engine is ingesting air that is almost ambient.

well i got the ractive today from eastcoast autosport here in new jersey. I was too lazy to clean my old filter so after i put it in i grabbed the trusty gtech to see if it would outperform the jwt and the weapon r i had in there previously. Well it' snot the quality piece the jwt was. So i did 3 runs and well it's all the same. i ran a 16.1 a 15.9 and a 16.1 again pretty much the same times i used to run. I am curious though how it will react when it's 90 degrees out. i know the jwt was not the greatest thing in the summer, My car feels so sluggish in the summer and i didn't like the fact that the jwt was sealed at the end where the air lead comes in.. it used to get so hot that i couldn't touch the end of the jwt. i had to get rid of the jwt because it was too big and after i installed the place racing pipe from the throttle body to the maf the filter sat higher so i had to get a smaller filter that would not rub up against my hood......so i'll get back to you when it's hotter out because in the summer i have yet to run better than a 16.3

I think a lot of the slower times in the summer has to do with the higher temperature outside. Here in Az teh same thing happens, but probalby a lot worse. When it's over 100 outside, my car runs very poorly too, the car never really cools off either, I can park it all day, hop back in later that evening, and the needle will move up almost instantly. It sucks. Even with a Cold Air Intake i can still feel a big difference when the temperature goes up that much.

Originally posted by TIZAO
Hey I can sell you a filter witout heatshield for really cheap......I have it sitting around.....let me know if you are interested.....this goes for everyone.....I paid like 40 for it......really good quality! :alien: :bloated: :licker: :smoka: :flash:

what's it look like?

is it for a G20?

what's it made of?


:smoker:


-clifford