Installing a Breather KIT onto a B20VTEC/LSVTEC

[GSi_PSi]

Disclaimer: The following is provided as a GUIDE ONLY, and neither myself nor Ozhonda take any responsibility for the outcomes of someone else doing the following. You follow these steps at your own risk!


Aim: To Install a Breather System onto your B20VTEC/LSVTEC block ( while it is in the car)
Required:
Socket Wrench, Tool set , Allen HEX Key, Phillips/Flathead screwdriver (depending on how you want to tighten the clamps) Jack stands, Jack, Shifter

2 X Honda Prelude Breather Bung : 11107-PK2-003 ($50 for both)
2 X Honda Washers : 12207-634-300 (i reused my old ones)
4 X Clamps 15mm ($4)
2 X Pirtek Water/Oil Resistant Pipes 15mm ($12) ( or you can use any water/oil resistant pipe)
and
most importantly your
Breather Can ( i bought mine from ebay $50)
http://img560.imageshack.us/img560/9669/img1041s.jpg

Steps: Opening the bungs ( i didnt have the tools to remove the bung so i took it to GPC who did it in about 5 minutes)

1. Need to Jack the car up on Jackstands.

http://img842.imageshack.us/img842/6826/img1009bd.jpg


2. Get underneath the car Locate the Bungs and use allen HEX key with socket to undo (image borrowed). It may be possible to do it above the car removing intake manifold but this was is easier

http://i17.photobucket.com/albums/b78/killerpenguin21/wMzU0MTg0NnM0MTNkZmQzMXk1NDE.jpg

Now there is little room when the the oil filter and subframe is in the way so be prepared for a tight squeeze, when you crack open the plug is pretty simple after that.

Pics of Plugs removed
http://img194.imageshack.us/img194/2201/img1045mr.jpg

3. Fit the Breather Bung onto the hole, and tighten with a shifter

http://img28.imageshack.us/img28/9709/img1051br.jpg

4. Fit Hose onto to Bung and feed clamp to end and tighten
http://img24.imageshack.us/img24/5084/img1047tu.jpg
I found that the rest can be done from above so i removed the battery and had lots of room to fit my hand thru for the rest of the procedure
http://img841.imageshack.us/img841/6056/img1049tf.jpg
http://img217.imageshack.us/img217/5941/img1053b.jpg


5. Connect all pipes together with clamps, mount your catch can and your ready to go!
http://img8.imageshack.us/img8/9131/img1055j.jpg




Other comments
When building a hybrid to make things easier just remove plugs and fit the bungs before dropping them in, but if already dropped motor no need to fret its not that hard to do..
Use at your own discretion venting with mini air filter exposed out is like a normal pod filter, you will get defected.

[riruiz_88]

nice write up buddy. with the GE vtec conversion kit, are you still able to run a oil cooler off the oil sandwich plate? is there enough holes for it?

[GSi_PSi]

to my knowledge yes, people run an oil cooler before the ge vtec sandwich plate. or do you mean if they open up the dowels in the plate and run it off that ? (im not to sure would be awesome if you could )

[riruiz_88]

so people run 2 sandwich plates? i just think thats not safe enough, they should have more holes in the GE plate. so your saying there are no spare holes for an oil cooler on the sandwich plate?

[logical]

Oh gawd and I thought installing one of these was hard.. Cool write-up! Will definitely refer to this if I still plan to go down the B20 road..

[SPEEDCORE]

Oil return passages from head behind the plugs yer? Wondering if you getting oil blowing through and up into the pipes?

[GSi_PSi]

yeah already the pipes are getting darker, lucky they are see thru :). The is running so much better now, doesnt feel like its choking now even after a long drive

[dougie_504]

Nice write-up OP.

Can I ask, is this DIY necessary because the B16 and B18 have the OEM breather on the block, but the B20 has the OEM breather on the head?

Would you mind explaining what the breather does?


Thanks!

[Lukey]

dun worry cuz

[beeza]

http://www.theoldone.com/components/breather/

[GSi_PSi]

yes if you have a B20VTEC/LSVTEC as they dont have a PCV system (postive crankcase ventialtion)
The breather alows the gases to be vented out into the atmosphere instead of staying inside the block.
Reducing blowby and preventing leaking from gaskets and seals

[beeza]

Ah,the b20 dosen't have a PCV system...why is that,cause it's not needed on the CRV's? (I think that's the only car they come from?)

[GSi_PSi]

Yeah pretty much, i highly doubt honda thought soccer mums etc in the 1996-2001 CRV's going to be reving out their B20's to 8000+rpm so it wasnt needed.
Would be pretty cool to see a B20VTEC CRV thoughh haha

[GSi_PSi]

edit lol i just found this on youtube

http://www.youtube.com/watch?v=GYc5vha6WiQ

[beeza]

Kool! A modded CRV,a nice sleeper!

[dougie_504]

LOL I'd always wondered what that would be like. Would be a good platform to work with except that it's a CRV...

[string]

--nuked--

[beeza]

I see I see

[felixd]

what is this mods for ?

[GSi_PSi]

havent got any amounts of oil yet as my breather can has a little side indicator thingo. the pipe has gone dark though asif oil has gone past ?

[Lerlo]

havent got any amounts of oil yet as my breather can has a little side indicator thingo. the pipe has gone dark though asif oil has gone past ?

Hey nice writeup. Wondering if you get lotsa emission fumes?
I did the same thing on mine but I place the catch can next to the battery and I get fumes coming into the cabin when at the lights, ended up plumbing it back into the intake pipe. BIG NO-NO BTW, throttle body and intake manifold all oily now. LOL
Will prob get a PCV

[GSi_PSi]

Yeah lol the fumes are kinda annoying me, specially the teggy being a daily driver, im not too sure how to avoid it. If you find out any solutions please let us know.

[GSi_PSi]

what is this mods for ?
hey bud, its due to provide the motor to vent the crankcase vapours and pressure

strong bump

[mugen_ctr]

also note down, only for track use, an use at ur own discretion as im pretty sure its illegal to have any breather kit venting into the atmo.

OEM breathers plumb back into the intake plenum or intake arm for that exact reason :)

[boboz81]

I can confirm its illegal to vent it to atmosphere (in Vic), I got reported to the EPA by cops that checked my engine bay, had to get it tested

[GSi_PSi]

updated infoo