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I think the catch can design is pretty flawed. Evident in the fact that the V2 one moved to a larger top mounted filter which alone would have helped with overflow and reduce restrictions compared with the side filter. I also imagine there was a major improvement to the baffling design. It is worth mentioning that this catch can with the RB20 was never as much of an issue and the high kms RB25 is likely a part of the problem. I have gotten quotes for both a new "Vibrant Gen 3" catch can and to modify this existing ones but that may have to wait until after the track day. I hope the sump/head breathers/drains and cam splash plates will be enough -
Yep, both. The ratio is 1.8 instead of OEM being 1.7. The rocker bodies are modified with a larger bolt hole and re-threaded with 10mm holes instead of the 8mm YT has stock. Finding out they don't actually fit the stock castings cause a lot of un-impressment by the person in the USA who tapped the new holes for the 'upgraded' YT product. He was very unhappy with them given their previous design did not require 'clearancing' -
That too, but I think this is why she's put the work into the cam cover baffles. I mean, a catch can should only need to be a catch can, not an oil air separator also. Not to say that putting the effort into having it do a better job of oil-air sep is a waste of time, but doing the sep earlier is always going to make life better. And that should happen now anyway. -
I think both. Higher ratio and more stout. I think at least part of his lift increase came from the rocker.
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At 30cm long, you only need 80lbs... Which isn't hard to put that much weight in. Just start to stand on it, but not full force. Even a light weight size 6 lady can do it. If I stood on, I'd get them to about 190ft-lb... And all Id need to do is... Stand...
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