View Full Version : oil breather tank
70 tt rustang
03-16-2016, 04:26 PM
Hey all I have I 428 Windsor in my 70 Mustang I've been getting a little bit of oil out of the breathers. I don't want a mess on my motor or under the hood. So I am thinking about doing a breather oil tank. I wanted to know what tanks you all recommend what size line and where I should weld my fittings on my valve covers. Thanks for the help
70 tt rustang
03-18-2016, 10:21 AM
Anyone have any suggestions?
I installed a Moroso air-oil separator connected to a pvc-valve on one side (breather on the other) and ran it in to the intake manifold. Stopped oil coming out of the breather and collects all the nasty blow-by.
http://www.shopmoroso.com/eb/catalog/navigationPath/1::Moroso%20Performance%20Products/60000::Air-Oil%20Separators/6001::Universal%20Fit?resetOffset=true&entryId=catalog.productgroup.1600006001&expand=true&menuId=main.menu
Che70velle
03-18-2016, 07:12 PM
Check out page 26, post numbers 254 and 255 in my build thread, link is in my signature. The tank is made by Allstar, and I believe I bought it at Summit. Came with bracket and filter. The line size is -10.
70 tt rustang
03-19-2016, 01:35 PM
Check out page 26, post numbers 254 and 255 in my build thread, link is in my signature. The tank is made by Allstar, and I believe I bought it at Summit. Came with bracket and filter. The line size is -10.
So did you do 2 tanks or is there a crossover? It looks good what size line did you use?
Che70velle
03-19-2016, 07:04 PM
So did you do 2 tanks or is there a crossover? It looks good what size line did you use?
1 tank off of passenger side valve cover. No crossover, and line size is a -10, which is almost 5/8" ID.
70 tt rustang
03-20-2016, 11:41 AM
So the driver side valve cover has no breather in it?
Che70velle
03-20-2016, 12:31 PM
So the driver side valve cover has no breather in it?
No. No need to vent both sides with a line this big. This is a street car.
I raced asphalt late models that turned 7500 all night with one vent on drivers side.
70 tt rustang
03-21-2016, 03:25 AM
OK thanks -10 line?
Che70velle
03-21-2016, 01:20 PM
OK thanks -10 line?
Yes sir, -10.
70 tt rustang
03-21-2016, 05:58 PM
Thanks for all your help
LemonTwisted
03-22-2016, 09:51 AM
Here's a good read about different types of crankcase ventilation systems:
http://www.shophemi.com/images/media/p-2273-arrington_ccv_bible.pdf
It explains why factory systems are not quite adequate for higher performance driving situations and provides examples of different levels of CCV systems.
70 tt rustang
03-30-2016, 07:58 PM
Here's a good read about different types of crankcase ventilation systems:
http://www.shophemi.com/images/media/p-2273-arrington_ccv_bible.pdf
It explains why factory systems are not quite adequate for higher performance driving situations and provides examples of different levels of CCV systems.
Thanks awesome
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