Custom FIPK write up...

hey - here is some more of my garbage.
did this about 1.5 months ago and just now found the time to write it up.




http://www.opiebennett.com/customfipk.htm

search keywords:
Cone filter, 3" tube, FIPK, PCV, Positive Crankcase Ventilation, Air Intake, air tube, hose clamp, hose barb, TBI, breathe, Air Sucker <-- that is a joke...

Mine looked exactly the same. Worked good. Nice writeup.
Billy

I intend to make a heat shield based on Dr.Dyno's Design eventualy - once I get some inspiration.

Click to expand...

That would be a very good idea. Let me be your inspiration.

http://www.jeep4.0performance.4mg.com/FIPK.html

I'm planning on doing this is 2 weeks when I get my check. But I have a quik question. With the FIPK and a cat back exhaust will it make my engine run dangurously lean with stock injectors or will i be fine.

What is the outside diameter of the pipe, pipe is measured by inside diameter up to 12 inch... I plan on using 3 inch carbon pipe that i can powdercoat.

Cory

Someone needs to take your camera away.............. :laugh3:

91 Jeep Project said:

Someone needs to take your camera away.............. :laugh3:

Click to expand...

At least he has learned to resize pictures! :laugh3:

robz95xj said:

I'm planning on doing this is 2 weeks when I get my check. But I have a quik question. With the FIPK and a cat back exhaust will it make my engine run dangurously lean with stock injectors or will i be fine.

Click to expand...

No, you have to work alot harder than that to make it run lean.

I have an 87, there are two little vacuum lines that plug into some sort of valve on the old air box.

What do you do with them?

Cory

Thats what the nipples threaded into the pipe are for.

What I find very Funny is I Hydrolocked my engine very close to where he did out Prairie City OHV Park also, that is why I think this is a great Idea but I want mine to be higher. Maybe up by the windshield wipers.

I did this and it toasted my mpg. Thought maybe it was a coincedence and put in new O2 sensors - - no help. I'm getting maybe 15 mpg, and prior to the fipk and conical airfilter I was getting an easy 18.

Did you find a reduction in gas mileage?

CSaddict,

Thanks for the input, the monster 3/8" lines are not the lines in question...

Let me rephrase this...

There are two little like 1/8" or smaller vaccum lines on the rear of the box right next to each other that go into a small valve thing inside the box. What to do with them??

tdr1213,

What year is your XJ? I only have one O2 sensor, yours must be newer then the renix.

Cory

Mine is a '96 with 2 O2 sensors - one in the exhaust and the other at the cat.

Thats nice looking but i like mine better. I used a piece of 3" PVC pipe and bent a piece of steel as a heat shield. I got a cone filter from a buddy for free so the total cost of my intake was about 3 hours of my time.Free Cold Air Intake

i actualy didnt notice a change in gas mileage at all, i got 17-19 before and get 16-18 now (i also finished my front end lift and put my front DS back on, as well as swaped the ford 9" in the rear end with lower gears, so i attribute the loss of mileage to the slightly higher revs on the highway as well as added wind resistance)

i only had the 2 hoses, for the EGR and the PCV, so i dont know what the others are - though i recall when making a simialr set up for a buddy's ford exploder that there were two lines that controled where the air was taken from - hot air off the exhasut to help warm up a cold engine and cold air from the front of the box after the engine was warm - something about emissions...

on the explorer, we caped the lines and called it good...

where do the lines go? trace them and take a picture of what you are looking at...

and yes - all my website photo's are taken a 1200x1600 and then shrunk to 120x160 thumbnails...
thumbnails are too small for the forum and the full size image always gets people bitching at me... so i use links most times...
and refuse to host 3 sizes of the same image...

i still need to make the heat sheild, i think this will protect me and might give me some more gassmileage back (maybe?)

on the highway - it seems to pull a little harder where on city streets, it is the same...
:shrug:

I did this about a year ago on my '98 and it improved the mileage by 2mpg. Here's my write-up...
http://www.cardomain.com/memberpage/349289/3

After wheelin' it and getting the filter all muddy and wet, I picked up a stock airbox from a bone yard to enclose the filter. Blocked the low intake hole in the front and put a larger hole with a intake tube on top of the box. It is much quieter now and it didn't degrade the better mileage I was getting.

csr_011: I picked up a Rusty's XJ air tube for my '90 Comanche. It says the two small vacuum lines running to the back of the airbox can be followed back to the intake manifold and blocked. I know that 91 and newer XJ/MJ's don't have these two small vacuum lines.

tetsulo

Thanks Tetsulo, that was the plan i had in mind, just thought i would ask.

Im hoping to have it done thursday afternoon. I will have pics up on the net when finished.

Cory