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 Post subject: oil catch cans
PostPosted: Sat Jul 01, 2017 5:33 pm 
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Turbo Slant 6

Joined: Fri Jul 13, 2007 11:11 pm
Posts: 654
Location: Cincinnati
Car Model:
Just wanted to share my experience with these. I installed a billet technologies aluminum can in the PCV line and made my own oil separator for the breather side (patterned it from a you tube video where the owner made one for his Chrysler 200 for the breather side).
I was getting an oil saturated air cleaner over time. The biggest improvement, now, is the lack of detonation with these catch cans. I know I will get comments about blowby and the state of my engines health but for now the car runs strong and I can deal with maintenance (emptying) on these cans, periodically.
The last major work the car had, in 2012, was milling the head to achieve 9/1 compression and Super "6"ing it as well as bigger exhaust and massaging the exhaust manifold for more flow.
I will drop down from premium octane to midgrade on the next fill up and see if I can take advantage of the cheaper fill up.


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PostPosted: Sat Jul 01, 2017 8:38 pm 
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Turbo EFI
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Joined: Mon May 12, 2008 1:11 am
Posts: 1473
Location: North Georgia
Car Model:
I installed one on my truck a couple of years ago and it did catch some oil that was getting into the #6 cylinder via the pcv. I will add one to the wife's car sooner or later.

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PostPosted: Sun Jul 02, 2017 7:27 pm 
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3 Deuce Weber

Joined: Tue Apr 18, 2017 7:53 pm
Posts: 67
Location: PA
Car Model:
A fast check on You tube I see a catch can on cars that have no blow by
and still collect oil , Seems a great item to add especially for people who like to Tinker with motor one more fun thing to do (check Catch can)

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PostPosted: Sun Jul 02, 2017 7:41 pm 
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Supercharged
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Joined: Thu Jan 27, 2005 8:32 pm
Posts: 7834
Location: Portland-ish
Car Model: Fiat 500e
My daily driver has about 35k miles on the odometer and the only place that seeps any oil is the PCV connection to the intake manifold. I don't use an appreciable amount of oil between changes, but improved detonation resistance should result in better fuel economy since the computer could then run the timing closer to optimum. I have an UltraGauge that will show me the ignition advance so I can test this theory.

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 Post subject:
PostPosted: Wed Jul 19, 2017 6:37 am 
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4 BBL ''Hyper-Pak''

Joined: Mon Mar 10, 2014 9:00 am
Posts: 44
Location: Brisbane, Australia
Car Model:
I installed an Elite Engineering catch can (nice usable design - can screw off and empty collected oil) on my V8 LJ Torana as it would introduce oil through the pcv system at high revs. This is a very healthy motor and I was amazed at how much oil was collected. Will be installing one on the worked slant down the track. Will be interesting to see how it fairs.

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 Post subject:
PostPosted: Thu Jul 20, 2017 3:44 pm 
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EFI Slant 6
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Joined: Wed Feb 02, 2011 12:00 pm
Posts: 345
Location: Tustin, CA
Car Model: 1965 Barracuda 'S' auto
They are on Ebay for like $16 shipped. Mine came with some nice push connectors, a firewall mount and some flimsy hose. I used it for another purpose but it looks to be worth $16 for a catch can of some sort, oil or otherwise.

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 Post subject:
PostPosted: Fri Jul 21, 2017 6:59 am 
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Joined: Fri Nov 01, 2002 8:20 pm
Posts: 1603
Location: Oxford, Georgia
Car Model:
pishta wrote:
They are on Ebay for like $16 shipped. Mine came with some nice push connectors, a firewall mount and some flimsy hose. I used it for another purpose but it looks to be worth $16 for a catch can of some sort, oil or otherwise.


Did yours have any sort of internal baffles? I've been thinking I might want to add a catch can with my turbo build.

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 Post subject:
PostPosted: Sat Jul 22, 2017 10:44 am 
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EFI Slant 6
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Joined: Wed Feb 02, 2011 12:00 pm
Posts: 345
Location: Tustin, CA
Car Model: 1965 Barracuda 'S' auto
no baffles at all I was going to make a surge tank out of it but decided to run pump at tank sender and filter on firewall using the catch cans cool little 2 part mount. It even had a little drain thunmscrew on the bottom.
Image

http://www.ebay.com/itm/750ml-Universal-Aluminum-Engine-Oil-Catch-Tank-Can-Reservoir-Kit-Round-Silver-/192233232934?hash=item2cc1fe5a26:g:uMsAAOSwCkZZORTU&vxp=mtr

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 Post subject:
PostPosted: Mon Jul 24, 2017 7:43 am 
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Joined: Fri Nov 01, 2002 8:20 pm
Posts: 1603
Location: Oxford, Georgia
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Thanks. Looks like I'll spend a bit more and get one I know is baffled.

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 Post subject:
PostPosted: Mon Jul 24, 2017 1:32 pm 
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EFI Slant 6
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Joined: Wed Feb 02, 2011 12:00 pm
Posts: 345
Location: Tustin, CA
Car Model: 1965 Barracuda 'S' auto
Matt is the baffle mandatory for this design? The vacuum enters the top and leaves the top as the oil drops out of suspension and collects in the bottom.

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 Post subject:
PostPosted: Tue Jul 25, 2017 7:09 am 
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Joined: Fri Nov 01, 2002 8:20 pm
Posts: 1603
Location: Oxford, Georgia
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I've used a similar separator, only much larger and dealing with water instead of oil, where the prototype was made out of a 55 gallon drum. Adding baffles made a huge improvement in how much of the water it separated out.

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"Mad Scientist" Matt Cramer

'66 Dart - turbocharged 225

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 Post subject:
PostPosted: Tue Jul 25, 2017 8:31 am 
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EFI Slant 6
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Joined: Wed Feb 02, 2011 12:00 pm
Posts: 345
Location: Tustin, CA
Car Model: 1965 Barracuda 'S' auto
good to know, was the baffle just straight across at the midsection or was it a staggered set? These are blind, cant get into them.

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 Post subject:
PostPosted: Tue Jul 25, 2017 1:26 pm 
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Supercharged

Joined: Thu May 12, 2005 11:50 pm
Posts: 6291
Location: So California
Car Model: 64 Plymouth Valiant
Something like this:

Image

Image

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 Post subject:
PostPosted: Wed Jul 26, 2017 6:23 am 
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Joined: Fri Nov 01, 2002 8:20 pm
Posts: 1603
Location: Oxford, Georgia
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The 55 gallon catch can was basically this:

Image

Only run in reverse, with a second pipe around the first. The air / water mixture would enter from the side and the water would splash against the outer pipe, then slide down the pipe and drop to the bottom.[/img]

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'66 Dart - turbocharged 225

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 Post subject: baffles
PostPosted: Wed Jul 26, 2017 7:37 am 
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Turbo EFI
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Joined: Wed Nov 23, 2011 11:07 am
Posts: 2125
Location: SF Bay Area
Car Model: 67 dart 2 door hardtop
Yes, baffles do help, it is a matter of surface area, the more the better (also how cool the can is for more efficient condensation). That being said, I used a billet gas filter canister, a larger one, say 3.5" in diameter and about 5" tall, just an empty vessel no filter in it, and it appears to efficiently catch oil. It is down low on the firewall where it's relatively cool. Not saying it wouldn't catch more with some baffles, but it's likely catching 90% of the oil vapor that would otherwise have gone into the intake. Below are links to pics (sorry if you can't see it, I'm working on that (I tried posting directly in response, never could get that to work, I'll revisit that option). Oh, yes, I installed a 1/8 NPT stopcock in the bottom to drain it, lots of room down there to put a cup under it and open/close the stopcock.

https://tinyurl.com/yd5mokpz

https://tinyurl.com/y7w3dk4g


B

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