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Before I froget - distributor elimination

 
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Petrovich  



Joined: 27 Sep 2005
Posts: 235
Location: Rockville, MD

PostPosted: Sun Nov 11, 2007 11:27 am    Post subject: Before I froget - distributor elimination Reply with quote

Hi all!

If you're eliminating the distributor (going with EFI/EDIS, for example), the following two part numbers will let you turn distributor opening into a PCV opening (you can get these at Advance Auto Parts):

HELP! (Dorman) PN 42048 PCV Grommet, Ford
HELP! (Dorman) PN 47043 PCV Elbow, GM

One simply goes into the other, and then the assembly goes into the distributor opening.
You can then use the stock distributor bracket to secure it.

This will let you ventilate the head in a contemporary fashion (using a PCV valve), and you won't need a blockoff plate.
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Petrovich  



Joined: 27 Sep 2005
Posts: 235
Location: Rockville, MD

PostPosted: Tue Nov 13, 2007 3:34 am    Post subject: Reply with quote

UPDATE:

You can also replace the elbow with just a simple 1/2 inch domestic PCV valve - it slides right in and sits very tight. That will really simplify your pipework. If you have a turbo, make sure that it closes when you blow back into it.

I'm simplifying the PCV system, hopefully avoiding using a catch can.

The PCV hose goes out of the PCV valve attached directly or indirectly to the hole that used to be the distributor, and into the manifold. All the other hoses go into the intake chamber, right after the air filter. I have a vented head, so I only need to plumb the turbo and head breather lines. The block breather, catch can, and associated hoses are going to be removed.
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Min  



Joined: 04 Nov 2002
Posts: 2368
Location: Vernon, British Columbia, Canada

PostPosted: Tue Nov 13, 2007 4:25 am    Post subject: Reply with quote

I decided against using that hole for PCV becuase of the amount of oil that spews out in that spot to oil the distributor gear.

Min
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Petrovich  



Joined: 27 Sep 2005
Posts: 235
Location: Rockville, MD

PostPosted: Wed Nov 14, 2007 1:14 am    Post subject: Reply with quote

Good point Min - I'm going to change to a clear hose for PCV to see how much oil is gonna come through.

Strange, though. I'm using Nissan Sentra as a model for PCV system (just because it's simple, it works, and I had one ). There, the valve sits right next to a camshaft lobe. I'll have to look at it again, there's probably a baffle of some sort that I missed.
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Martijnus  



Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands

PostPosted: Sat Nov 17, 2007 11:08 pm    Post subject: Reply with quote

as long as pvc isn't rotting away due to the oil, I guess it's a nice way.
I have to get rid of my distributor ... I'm not afraid of trying PVC.

As long as it seals enough there's no problem, right? no oil pressure on it, just oil.
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"Rule: Turbo's make torque, and torque makes fun." (C. Bell)

924 "50-jahre", 1981.
MSII/extra, LPG, ITB's, 5lug.
To be turbo'ed in a while.
Killed her at the Nurburgring, Porscheless at the moment
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RC  



Joined: 25 Mar 2007
Posts: 2634
Location: Australia

PostPosted: Sun Nov 18, 2007 12:05 pm    Post subject: Reply with quote

PVC= polyvinyl chloride (plastic)

PCV= positive crankcase ventilation

Roger
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Martijnus  



Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands

PostPosted: Mon Nov 19, 2007 2:13 am    Post subject: Reply with quote

whoops...

but what's a 'domestic PCV valve'?
_________________
"Rule: Turbo's make torque, and torque makes fun." (C. Bell)

924 "50-jahre", 1981.
MSII/extra, LPG, ITB's, 5lug.
To be turbo'ed in a while.
Killed her at the Nurburgring, Porscheless at the moment
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Petrovich  



Joined: 27 Sep 2005
Posts: 235
Location: Rockville, MD

PostPosted: Mon Nov 19, 2007 4:18 am    Post subject: Reply with quote

It's domestic cause it came from a US vechicle, most likely some V8 truck. Any 1/2 inch PCV valve with blowback protection will do, it's just that one is cheap and easily available
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Martijnus  



Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands

PostPosted: Mon Nov 19, 2007 6:10 am    Post subject: Reply with quote

that's not domestic for me
well, since I came up with pvc, I guess I'll try to block off my dizzy with pvc

domestic pvc from the hardware store
_________________
"Rule: Turbo's make torque, and torque makes fun." (C. Bell)

924 "50-jahre", 1981.
MSII/extra, LPG, ITB's, 5lug.
To be turbo'ed in a while.
Killed her at the Nurburgring, Porscheless at the moment
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Petrovich  



Joined: 27 Sep 2005
Posts: 235
Location: Rockville, MD

PostPosted: Tue Nov 20, 2007 12:47 am    Post subject: Reply with quote

You can just use a rubber plug or something, IIRC PVC tends to melt. And rubber is WAY easier to get in there - it just has to be approximately the right size
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924RACR  



Joined: 29 Jul 2001
Posts: 8321
Location: Royal Oak, MI, USA

PostPosted: Tue Nov 20, 2007 1:36 am    Post subject: Reply with quote

Filling the hose with steel wool should help cut down on the amount of oil that makes its way through the hose.
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