View Full Version : built new intake from scratch, what you think?


Exotic-Rx8
11-04-2009, 12:00 AM
built new intake from scratch using 3 inch pipe and a few hose barbs and couplers from a local hardwarre store. parts were painted with metallic annodized red paint with clear coat. although its a short ram, it will soon be converted to a true CAI once i get a smaller filter to fit the bumper. ill also be cleanin up the engine bay and painting a few more things to help clean the look up!
http://i82.photobucket.com/albums/j243/Twztd_Conceptz/l_02677c942d4d4aebaad20f650e9693-1.jpg

mike[piston eater]
11-04-2009, 12:03 AM
looks better than most, but still a short ram :[

Exotic-Rx8
11-04-2009, 12:07 AM
;3306306']looks better than most, but still a short ram :[
....for now. i have the other piece made to fit to make it a long true cold air intake. unfortunatly the filter i have is too big to fit behind the bumper. so untile i get a smaller filter it will b a short ram :(

but ill also be adding a 350z ram air duct soon to add a bit more air flow!

mike[piston eater]
11-04-2009, 12:08 AM
then you have something good in the works and its unique, atleast it looks quality

@!!narotordo
11-04-2009, 12:13 AM
Looking good. You should block it off so you dont get heat soak from the engine ;)

Exotic-Rx8
11-04-2009, 12:23 AM
i actually thought of that, but im not that experienced with sheet metal. i have a roll laying around but not sure where to start. i may fiberglass something up if all else fails. i am good with fiberglass work so i may be able to come up with somethin useful untill i get another filter to put behind the bumper

Fortunate Few
11-04-2009, 01:02 AM
looks alright

Rotr8
11-04-2009, 06:27 AM
Might be better to position the MAF a little further back(behind the coupler) to give the air more time to even itself out,,, But once you go CAI the position should be fine

altspace
11-04-2009, 06:36 AM
What is the pipe made of? I'd be worried about heat soak.

rx 8speciale
11-04-2009, 06:41 AM
what are the materials you used and how much it cost , looks good

bse50
11-04-2009, 06:42 AM
Might be better to position the MAF a little further back(behind the coupler) to give the air more time to even itself out,,, But once you go CAI the position should be fine

What he said, plus a couple of well positioned maf screens.
Isn't the stock maf pipe diameter 3.25"?

Spin9k
11-04-2009, 06:46 AM
Show us a before and after dyno....time goes by...whats old (and didn't work back when) is new again. Just saying... maybe fun to build, pretty even - but not worth anything - no matter how little it cost.

SideOfBacon
11-04-2009, 10:01 AM
pretty nice for a homemade fab. doesnt look half bad :icon_tup:

http://www.spicylimes.com/gallery/albums/userpics/10001/normal_DSC01797.JPG

RX-8GT6spd
11-04-2009, 10:33 AM
Thats cool I like that. How much did it cost

Exotic-Rx8
11-04-2009, 12:32 PM
cost just under 40 for everything. If i had thought of it, i would have gotten a smaller filter to fit befind the bumper. the filter i had is too bulky and pushes the bumper out. i had enough pipe left over to run the filter behind the bumper so it can and will still be converted to a true cold air intake. the parts were:

15" long 3" exhaust pipe = 7 bux
4- 3" rubber couplers with clamps, 12$
reusable cone filter 20$
3- 3/8 inch hose barbs for the 3 vacuum lines by the throttlebody
Paint (which i had)

it didnt take that long to build aside from almost slicing my finger off. when i installed it i had alot of issues with idle and hessitation. when i press the pedal down the car bogged down and then jumped up to speed. but after i reset the pcm and kam and all that, she runs great. i even had a lean code reading on the cel which is now gone and still hasnt come back...

kersh4w
11-04-2009, 12:36 PM
the filter is WAY too small.

http://www.knfilters.com/filter_facts.htm

we need something in the 8" range when dealing with cone filters.

Grungepup
11-04-2009, 01:22 PM
yo Cav i want one of those.... can you make me one then ship is COD? kthxbai

lepichichi
11-04-2009, 03:20 PM
not bad, but you pretty much get what you pay for :)

bsteimel
11-04-2009, 03:26 PM
http://blackhaloracing.com/technical/rx-8-intake-tech/

something to take a look at. Our MAF sensor is pretty specific about air volume you might be doing more harm then good. It looks good, if it doesn't mess with the A/F and adds HP then good work, otherwise just might have been for looks.

cornholio135
11-04-2009, 03:31 PM
Just my 2 cents. I had a K&N short ram intake for a couple of years. After realizing about heat soak and rough idle I went back to stock intake and K&N drop in filter. My butt dyno says that it accelerates smoother now...

ferg
11-04-2009, 04:04 PM
looks like shit

dshiznit1489
11-04-2009, 04:44 PM
Looks good, but that doesn't mean it'll perform good.

legendkurado
11-04-2009, 04:53 PM
should've went with vibrant 3.5" piping

alz0rz
11-05-2009, 12:10 AM
While it was a noble attempt, I'm afraid that the stock intake will function much better then that.
Cone is too small, you are sucking and absorbing more hot air then before and that MAF position is not ideal.
You also downsized the MAF tubing which is not a good idea. Stock is 3.375" ID.

rodjonathan
11-05-2009, 12:46 AM
thats actually pretty good for a home made looks quality ... also it will definitely be better when you go true cold air

altspace
11-05-2009, 05:33 AM
Hard to say quality wise from a small photo. Take a pic close up.

ClearVue
03-15-2010, 11:03 PM
I did the same exact thing. I'll take a picture tomorrow and Post of what I did. I just changed my filter from that shitty specter filter to a K&N filter. My MAF sensor was where you had yours untill I moved it today. My car was hesitant today when first driving it but it had to get used to the idea of being moved around. The new filter cost more then everything else did. I've seen better increase in acceleration time. I didn't paint my tubing either its still silver. How's is yours working for you?

Exotic-Rx8
03-18-2010, 10:21 PM
I did the same exact thing. I'll take a picture tomorrow and Post of what I did. I just changed my filter from that shitty specter filter to a K&N filter. My MAF sensor was where you had yours untill I moved it today. My car was hesitant today when first driving it but it had to get used to the idea of being moved around. The new filter cost more then everything else did. I've seen better increase in acceleration time. I didn't paint my tubing either its still silver. How's is yours working for you?


not good lol dint realize this thread was still up, i totalled car last november. hit 5 treesAND A POLE. maybe it was my cai, mae the car too fast to handle.....lol:rock:
http://i82.photobucket.com/albums/j243/Twztd_Conceptz/l_2f52b7bb1a4b4ecfa6fdae682703742c.jpg

9krpmrx8
03-18-2010, 10:24 PM
Ouch!!! What are you driving now?

HomicidalApple
03-18-2010, 10:30 PM
very nice man! id love to see dyno results though

HomicidalApple
03-18-2010, 10:32 PM
damn dood you fucked up....

your lucky to be alive... not really a joking situation if you ask me

9krpmrx8
03-18-2010, 10:33 PM
very nice man! id love to see dyno results though

http://farm4.static.flickr.com/3249/2867253326_792146d6e7.jpg

Grungepup
03-18-2010, 10:33 PM
very nice man! id love to see dyno results though

:scratchhe



i willing to bet it will flatline

SiLVeRE8
03-18-2010, 10:33 PM
very nice man! id love to see dyno results though

damn dood you fucked up....

your lucky to be alive... not really a joking situation if you ask me

Damn what an instant change...

Grungepup
03-18-2010, 10:37 PM
http://i641.photobucket.com/albums/uu140/commanchi/LONGCAT.jpg

HomicidalApple
03-19-2010, 01:19 AM
well the first post was when i thought their was just the 1st page of posts and then i left the thread and on my main page i saw it had 2 pages so icame back and looked at the 2nd page and saw that he totalled his 8 and just "lol'd" about it

ClearVue
03-20-2010, 10:38 PM
This is what mine looked like ... untill it started causing me serious problems.

ZumnRx8
03-20-2010, 10:51 PM
.... A for Effort

edit: Dude you are a fucking idiot .... there goes another Shinka that bites the dust :( you should be banned. DO you still have the car for parts? If so I am interested in the passenger fender for a friend.