Intakes for the Twins...Opinions please...
Here's the most recent setup on the R1. Give your opinions on the intakes ladies and getns. :icon_tup: :icon_tdow :Wconfused
http://i50.photobucket.com/albums/f3...R1/engine1.jpg http://i50.photobucket.com/albums/f3...1/MotorFD1.jpg http://i50.photobucket.com/albums/f3...1/MotorFD2.jpg http://i50.photobucket.com/albums/f3...1/MotorFD3.jpg http://i50.photobucket.com/albums/f3...1/MotorFD4.jpg |
It looks like you are missing a nut on your passenger side strut brace.
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The intake is fine, but you'll never to cover the upper hole in your IC ducting.
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Originally Posted by Mahjik
(Post 8412974)
The intake is fine, but you'll never to cover the upper hole in your IC ducting.
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Ugh, I hit edit post rather than reply. :(
Sorry, that shouldn't be "never". That should been "better". You should cover that hole to force as much air as your can through your IC. |
Originally Posted by spandy
(Post 8413045)
:)
http://www.hardwarestore.com/media/p...3_front200.jpg http://www.microfibertech.com/assets...T040B-10_b.JPG and +1 on covering that duct, the more air into the stock, inefficient intercooler, the better. |
Did you buy your intake pipes off of eBay, and the lower one didn't fit? Sounds familiar if so.
Nice FD, BTW. It looks clean in that 5th pic. :) Now wipe off the upper mani! |
My opinion is that your username wins, and so does your intake for a budget endeavor :)
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i think its also a good idea to get some small cheap piece of sheet metal to put under the intakes to help shield a little bit of all the HOTT radiator heat that is right beneath the filters
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Originally Posted by TpCpLaYa
(Post 8413151)
i think its also a good idea to get some small cheap piece of sheet metal to put under the intakes to help shield a little bit of all the HOTT radiator heat that is right beneath the filters
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hahaha thanks. Ironically, the intake parts are from Autozone and the K&N's are from Advance Auto...Long story but I was tired of looking at the stock airbox and I wanted to change it up a bit. Will definitely fab a peice of metal to go under those filters. Any others suggestions guys thanks!
-D- And yes I'll wipe it down. lol |
Originally Posted by Zokus
(Post 8413161)
It's a turbocharged car. Cooling the air before it goes to the turbo(s) is pointless.
BUT: the cooler the densier, so your logic is not 100% right. More density means more O2 means more power. |
Originally Posted by Zokus
(Post 8413161)
It's a turbocharged car. Cooling the air before it goes to the turbo(s) is pointless.
A turbocharger doesn't heat the charge to some particular and unchanging temperature regardless of what it is being fed. |
colder the air going into the turbo should still be going out cooler than if it were warmer going in.. granted it will be heated more going out regardless but it wont be so dramatic..
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the incoming air is more important with the stock, or any undersized intercooler. Which he is running. A large intercooler probably wont make a huge difference as it will cool it within a few Celsius of ambiant air.
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Originally Posted by hyperlitenerd
(Post 8412943)
It looks like you are missing a nut on your passenger side strut brace.
LoL...that's the first thing I noticed too! |
Tell us how how the intake performs?
Whats the Butt-Dyno say? Is it louder or did it change the driving characteristics? |
Originally Posted by Oliv
(Post 8413358)
Good point here, going through the turbos, the air will be damn hot anyway.
BUT: the cooler the densier, so your logic is not 100% right. More density means more O2 means more power. |
Originally Posted by Zokus
(Post 8413161)
It's a turbocharged car. Cooling the air before it goes to the turbo(s) is pointless.
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Originally Posted by Mahjik
(Post 8412974)
The intake is fine, but you'll never to cover the upper hole in your IC ducting.
He means to cover that rectangular hole in the top of the IC ducting. You are losing a lot of air out that hole as well as the one that goes to the battery. The two pictures show what I did with duct tape. Ugly, but effective. http://i95.photobucket.com/albums/l1.../IC-Shroud.jpg http://i95.photobucket.com/albums/l1...ir_duct-04.jpg |
I f I can, I'd say that an air intake a little bit more insulated from the heat of the engine would be better. I installed the ARC intake coupled to an GRedy SMIC and I think it's the best combination for stock turbines...
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AntiSUV - Putting a piece of metal between the intake and the rad is not going to make a noticeable change in either power, or IAT. Between being compressed , and absorbing the residual heat from the exhaust side, it is going to stay a consistent temperature. It's not magic, it's thermodynamics.
Oliv - Again, 1 or 2 degree temp drop is not going to affect the density enough to matter. FD3Smaniac - A proper heat shield, ducted with fresh air, does make a difference. That is why they're popular. Anyways, I should have worded it better. Adding anything but a proper box/heatshield with ducted fresh air to those intakes is pointless and a waste of time. |
I was never told to cover that up, and Mazda would not put it there if there was no purpose for it. Again, I might be wrong. :) |
I like this discussion even though this is one of the most discussed subject of rookies. But always nice to share opinions.
I have a PFS ducted SMIC with a HKS RS intake The PFS duct has a hole on the side to connect to the PFS airbox (with a big KN cone inside). Now I'm in between 2 choices: - keep the HKS and run a 70mm hose to the mushroms (I really love the look of this intake). With this I'll bring fresh air to the intake but less to the IC - instal the PFS airbox that I have, which is closed and shielded. But with this solution it aslo means less air to the IC as a part of it goes to the airbox. I also have a vented headlight (Attain), but I really have doubts about the efficience here... Dream Theater, sorry to invade your thread, but I guess this can be of interest also for you ;) |
If possible I would have an intake with separate fresh air paths for the turbo intake and intercooler. That is what Mazda did with the '99+ cars. That was so the turbos sucking huge quantities of air won't pull air backwards through the IC, or at a minimum stop airflow to the IC. Stopping air flow or pulling air backwards through the intercooler turns it into an inter-heater. That is the problem with PFS intakes and the old Racing Beat ducts.
For the original poster, with a hot-air intake and a stock IC, you'll need to get as much airflow through your IC as possible. I would plug that hole in the IC duct and maybe do something to increase IC airflow like adding a bigger scoop onto the end of the IC intake or putting a fan on the back of the IC (or if you can pay the exorbitant prices, get an aftermarket IC and duct). As far as plugging the battery ducting, I would only do it if your A/C is removed (and therefore the A/C receiver is no longer in there). IMO, it is more important for A/C than for the battery, since heat soaking the receiver will reduce A/C efficiency. |
I had interpreted the intention of your original statement "cooling the air before going to the turbos is pointless" to mean "[feeding the turbos as cool a supply of air as is possible] is pointless". I see that this was not your intended meaning.
-James
Originally Posted by Zokus
(Post 8414695)
AntiSUV - Putting a piece of metal between the intake and the rad is not going to make a noticeable change in either power, or IAT. Between being compressed , and absorbing the residual heat from the exhaust side, it is going to stay a consistent temperature. It's not magic, it's thermodynamics.
Oliv - Again, 1 or 2 degree temp drop is not going to affect the density enough to matter. FD3Smaniac - A proper heat shield, ducted with fresh air, does make a difference. That is why they're popular. Anyways, I should have worded it better. Adding anything but a proper box/heatshield with ducted fresh air to those intakes is pointless and a waste of time. |
Originally Posted by Zokus
(Post 8414695)
AntiSUV - Putting a piece of metal between the intake and the rad is not going to make a noticeable change in either power, or IAT. Between being compressed , and absorbing the residual heat from the exhaust side, it is going to stay a consistent temperature. It's not magic, it's thermodynamics.
Oliv - Again, 1 or 2 degree temp drop is not going to affect the density enough to matter. FD3Smaniac - A proper heat shield, ducted with fresh air, does make a difference. That is why they're popular. Anyways, I should have worded it better. Adding anything but a proper box/heatshield with ducted fresh air to those intakes is pointless and a waste of time. |
Honestly guys when boost kicks in you hear a massive amount of air being sucked in. I can tell there is a difference in Lag when boosting also. Way different than the stock airbox. True I am still looking at areas that may need to be closed off to get a better airflow to the engine bay. Thanks for the input. I'll try to get some audio for you guys tonight.
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a little info and test results on intakes here:
http://www.fd3s.net/intake.html More from the Archives here: https://www.rx7club.com/showthread.p...ghlight=intake |
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