Ultimate Street breather...?
Kaferdog:
Ok .......What would be consided the ultimate street breather on a "Big street motor"....just when is it enough....? What is too much ...? What is too little ...?it's the last phase of my motor and looking for some advice ....?
stoneloco808:
I acutally like the Berg breathers. I have used them on 1.9L up to 2.3L street engines w/dual IDAs. I am sure I would be satisfied with the CSP brand as well. But never got a chance to get one as I have been satisfied with the Berg units.
Clyde Berg makes a breather box that mounts to the firewall. He has 2 different types, race and street. I ended up getting a race type, w/multiple AN-10 fittings. I didn't use it yet as, I am still collecting parts for this street/strip screamer engine combo.
I don't really care for those small breather box kits sold by Bugpack, Empi, and who ever else. I am sure everyone knows or seen these kits, they come with the clear hose. I have bought a couple in the past, will not buy anymore. So far I have these on small engines, 1.7L or smaller.
Kaferdog:
I have the Clyde Berg breather....But also have the chance to pick up a Berg too...The Berg breather has 2 an 8 outlets ..!..What I would like to know is will it be enough..!...I am not to sure if I want to mount Clydes Breather to my firewall...? If the Berg is just as good then its a easy choice..! I like the fact that its self contained..!..and not having to run a third hose ...?
thejohn66:
hand made by Pete Bolas
Torben Alstrup:
Pete´s is very very nice crafted and welded. His and the similar Berg / CSP and the somewhat cheaper CB types are sufficient for most, as long as youre not pushing a high output high cc engine on the quarter or down the Autobahn. Then the volume is not enough. For sustained high rpm a rule of thumb is that you need the displacement multiplied by 0,9 in the breather box, so that the pulsing from the engine has enough area to calm down in and thereby release its oil fog to droplets and back into the engine.
In fact, many of these boxes, even some of the high priced ones are not designed correct at all, because they have no inside surface area for the oil fog to attach to, which makes them more for the look than how they actually work. For mild to medium sizes and power engines I also some the on the shelf types. But for high output engines I get them made the way they should be made, with much more inside surface, and with the studs where I want them. Since I began doing that we "suddenly" had much less problems with oil dripping and consumption (spill) at high rpm.
T
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