homemade cold air intake?

[0212353]

Long story short - the guy was shady. Took way too long to get intakes - too many "issues". He screwed a lot of guys out of $$ and who knows where he is now.

Bottom line - I liked the BFI - but the vararam outperforms it. At least it did on my truck.


crappertalkin'

 

[BLKDODGE04]

how would u get a plastic pipe to taper from 3.5 to 6 inch without actually buying the kit already done?

 

[Hemi450hp]

That is why I have not started making these myself yet. I think the best way to do it is to make it using PVC and have a form molded. I'm sure you can buy the pvc at any hardware store. Might not look pretty, but it will work.

If you can weld, then the aluminum would be nice. Aluminum isnt cheap though unless you have some laying around.

 

[BLKDODGE04]

is this just as effective on the 4.7 as it is on the 5.7?

 

[Hemi450hp]

Every engine will benefit from a better flowing intake system that is drawing in cooler air. A bigger engine is going to show bigger gains, but it is a worthwhile mod reguardless of engine size.

 

[BLKDODGE04]

thinkin im goin to try to build one, maybe out of aluminum, not sure yet, will post pics when i get it done though

 

[Hemi450hp]

Cool. Keep us posted and have fun with it.

 

[sullivan]

Oh yeah!!!

Satin, does your alternator...have a finish on it as well? Looks almost bed lined

thinkin im goin to try to build one, maybe out of aluminum, not sure yet, will post pics when i get it done though

Cool, keep us posted.

ps: a cold air intake isn't going to give you noticeable power, however cai with exhuast and a tuner will.

 

[TheSatinPumpkin]

Satin, does your alternator...have a finish on it as well? Looks almost bed lined

I brought it from a member who had it apart and powder coated. Its a 180a from a 2G Durango w/ dual AC

 

[Iceskyline25]

Try to stick with plastic because it will dissipate the heat faster. And try to put the filter directly behind the passenger side headlight as this is where the coolest underhood temps will be.

I always thought it was the opposite that aluminum dissipate heat faster then plastic

 

[hemihank]

Yeah it's more that the aluminum heats up faster, the pvc acts as more of a heat shield, keeping the air from getting too hot. Also, take a look at my intake, I think it's a pretty good design, all off the shelf parts too.

 

[Iceskyline25]

did you make it out of pvc?

 

[BLKDODGE04]

can you buy pvc bent like that in a 90?

 

[TexasRammer]

Yeah it's more that the aluminum heats up faster, the pvc acts as more of a heat shield, keeping the air from getting too hot. Also, take a look at my intake, I think it's a pretty good design, all off the shelf parts too.

That looks good!

can you buy pvc bent like that in a 90?

Yup, thats what I was talking about, some other people here have them, I believe Luke(wermbang) does on his second gen and someone else

 

[BLKDODGE04]

what size tubing is it? 3 or 3.5? and where did u get the tubing? im guessing lowes or menards or some place like that. im wanting to do mine like that, dont want to spend 300 for a k&n kit

 

[cdrice15]

Ive been thinking about making one but I have a few questions for those that have.
What size pipe did you use?
How did you connect it to the throttle body?
What size is the throttle body inlet?
What did you do with the sensor that plugs into the pipe, MAF?
What did you do with oil hose that connected to the stock air box?

 

[Budakane]

There is actillay som1 on the forum that makes them, and paints them for cheap. there is a thread on this somehwere, and he doeas a decent job. Check him out.

 

[09nitetrain]

ebay special and with purchasing kn filter seperatly total of 80 bucks

 

[hemihank]

To answer the questions about my intake (the orange one) pictured above:

It's a 3 inch pipe of electrical conduit, scedule 40 pvc. You use a 3" to 3" fernco to connect the pipe to the throttle body. The other end of the pipe is 4" OD, so get a 4" clamp on cone filter. The air intake sensor, you can just drill a hole .71" and plug it in. Put a little silicon around it to be sure its secure. The "oil hose" you can buy a universal crank case filter and just plug that into the tube coming off the oil fill cap. All told I think I spent about 70 bucks, mostly bc the filter I bought was $55. It's pretty simple to do, I would reccommend it for sure.

 

[FL8X]

Looks like this may be a few months old now but here is a look at my home grown CAI. I built to different ones, one with out the Hemi hat and the one I run now with the Hemi hat install. I didnt like the look of the engine without the Hemi hat and can't tell any real difference between the too designs other than than the looks. I made it out of 3" PVC and a 90* street elbow, I glue the 2 pieces together with with PVC Cement and then sanded the joint smooth and painted. Easy and cheap to make.

Tim