Cody Alan

I hope y'all are doing good and I'm posting in the right thread, but I need some insight on my b20z2 block i can't find where the pcv valve goes on the block. I see the hose coming down off the intake manifold but i can't find the spot it hooks up too. Can anyone post a picture of the location? I've searched and searched and can't get a solid answer

tony_2018

Parts diagram helps.

egsleepercivic

B20's dont have it, they are like the 96+\obd2 LS motors, where the PCV is directly in the valve cover and no black box on the block, you probably need a catch can set up

the reason you see if coming off the intake is the B16a used the same PCV set up for OBD1 and 2 with the black box on the block

Cody Alan

where would I hook it up at in the block? I've been reading and they say you use the freeze plug or the 14mm Allen head plug that's on the back of the block just gotta use an adapter?

spAdam

iTrader: (1)

The Late model non vtec b’s has their ‘black box’ built into the valve cover. So you’ll need an external one.

Use a -an block fitting, there are a million options out there. Most are -10.

Example: Honda B-Series Block Plug and Catch Can Breather Fittings






Run it to a catch can, then run the outlet of the cab back to the pcv nipple on your intake manifold with an inline pcv valve.

Here’s a great option:

Universal Single Catch Can




With this valve:

10AN ORB PCV Valves



The rest of the plumbing will be up to you, if you want it all to match they have lots of options, if you don’t I recommend Earl’s or XRP for fittings.

***This is an ideal setup. Feel free to cobble something cheaper together.

Cody Alan

sounds good thank you!!!

Cody Alan

on the back of the block is their a certain side that's (in or out) for the tubing?

spAdam

iTrader: (1)

It shouldn't really matter, both sides are open to the crankcase. You could do both and use a T-fitting, but if you've only got about a 3/8" nipple on the intake manifold that's all the flow you're going to get out of the can. The -10 off the back of the block should allow some of the condensate to drain back though, assuming you mount the can higher than the block port (this is important if you don't want to be draining the can all the time).

Cody Alan

I ordered this one and i was gonna use both spots on the back of the block.. where would i hook up for the intake manifold? Its a b16a2 head btw I know its a cheap setup baller on a budget lol

Cody Alan

I'm having some troubles with my b20z2 block and b16a2 head. I've noticed the crankcase doesn't have ventilation hooked up to the block will this eventually cause it to smoke? Since the block isn't being ventilated and possibly causing blow by?

turbociv910

https://honda-tech.com/forums/all-mo...-vtec-2510617/

JRCivic1

MODS, please merge multiple threads.

Cody Alan

Do i just run the hoses from the back of the block from both nipples to the can and vent to the atmosphere?

spAdam

iTrader: (1)

Yes.