Oil catch cans explained

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Oil catch cans explained

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Oil catch cans explained - 9/21/2008 5:06:05 PM

Dave01

Posts: 675
Joined: 9/24/2005
Status: offline

Hello, everyone,

I just updated my white paper regarding PCV valves, oil catch cans, and related info. You can view it by clicking on the following shortcut:

http://www.conceptualpolymer.com/PCV%20Line%20Oil%20Removal%20102.pdf

Please let me know if you have any questions.

Dave

_____________________________

2001 MN6 Coupe, all options
Halltech Stinger-R intake w/cold air mod - see
www.conceptualpolymer.com (Corvette Corner)
BPP shifter w/glass elegance shift knob
Borla Stinger quad round exhaust
Goodyear GSD3s

Post #: 1

RE: Oil catch cans explained - 9/21/2008 5:28:01 PM

Lee Willis

Posts: 1953
Joined: 7/27/2005
Status: online

I had a beautiful billet aluminum catch can on my blown 427 in the ''vette at anything more than 8 lbs it had a bit of blow-by and soe serious crankcase pressure. The catch can worked well, though. Could always tell how hard I had worked the motor for the week by how much was there when I checked Sunday morning.

_____________________________

2007 Aston Martin Vantage Prodrive
Lincoln MKZ "Grandfather car"
''98 Z28 with iron LS 408, NOS, tricks, street driven mid 9s (sold to my youngest son for $1, Aug 28, ''07)
''02 SCd 427 cid ZO6, 704 RWHP, sold Aug. 28, ''07

(in reply to Dave01)

Post #: 2

RE: Oil catch cans explained - 9/21/2008 7:37:20 PM

Dave01

Posts: 675
Joined: 9/24/2005
Status: offline

Lee,

As you may know, at WOT, flow into the engine via the fresh air line reverses so that "dirty" air flows into the airbox and into the intake. From what I understand, some of the more serious racers install a vacuum pump, although I don''t have any first-hand knowledge of the exact setup. I believe many supercharged setups include breather filters on the valve cover and/or oil fill cap. I prefer to trap the blowby oil/unburned fuel and particulates before they re-enter the engine. Certainly, there are a few ways to do this and each has at least some advantages and disadvantages.

Dave

_____________________________

2001 MN6 Coupe, all options
Halltech Stinger-R intake w/cold air mod - see
www.conceptualpolymer.com (Corvette Corner)
BPP shifter w/glass elegance shift knob
Borla Stinger quad round exhaust
Goodyear GSD3s

(in reply to Lee Willis)

Post #: 3

RE: Oil catch cans explained - 9/22/2008 5:51:40 PM

Lee Willis

Posts: 1953
Joined: 7/27/2005
Status: online

Eventually I installed a vacuum pump, and it added a net of about 15 HP by reducing pressure underneath the cylinders, but it was a pain, with lots ofproblems for the belts and all, and it was just a mm or so clearance with everything else under the hood oversize radiator, the Procharger, etc., so eventually I just gave up the power gain and removed it.

Makes you appreciate factory engineering . . . .

_____________________________

2007 Aston Martin Vantage Prodrive
Lincoln MKZ "Grandfather car"
''98 Z28 with iron LS 408, NOS, tricks, street driven mid 9s (sold to my youngest son for $1, Aug 28, ''07)
''02 SCd 427 cid ZO6, 704 RWHP, sold Aug. 28, ''07

(in reply to Dave01)

Post #: 4