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check out the link below
https://www.motorcyclecruiser.com/understanding-blowby-in-motorcycle-engines
Crank Case Pressure release 2V head valve cover from Takegawa
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https://www.motorcyclecruiser.com/understanding-blowby-in-motorcycle-engines
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865 Posts
Thanks Cisco.
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1,089 Posts
That is a rather nice looking breather rkfinch. Does it come also in Black anodized? If not I can deal with.
I have read a few of your posts, an seen where peeps talk highly about your products. Not to mention (from my memory) that you have a pretty bitchen Grom.
The problem us average folk newbies seem to have is purchasing off of you. No website that I have found. I do see where you have a presence on facebook. FWIW I think facebook groups is a waste of time for the masses. You can never find (or have a way to search, that I know of) any info that is buried deep in the group. I prefer forums & webpages. For facebook groups to work you have to visit everyday. Not happening here. But I am getting off track here, my apologies.
So how does one be honored to purchase your tasteful mods for the Grom? Smoke signals, carrier pigeon? I have left 2 messages, one PM here & one on facebook, if your the person I am thinking of. If not I apologize in advance. Short of hiring a detective & tracking your phone number down I am at a loss. Please advise.
Get your Grom on...
The only proper way to make a crank case vent is to have it properly baffled. The stock vent AFAIK is chambered baffled via the case. and case half gasket.
Grom Fathers cam sprocket cover is a perfect example of this with a long baffle chamber before exiting the motor. Any valve cover crank breather you see on any motorcycle has a plate / laybrinth of baffles so that the exiting air has to go through at least a few 90 deg bends to allow oil to condense and not leave the motor.
Simply putting a hole in the case is likely going to have tons of oil mist coming out.
Grom Fathers cam sprocket cover is a perfect example of this with a long baffle chamber before exiting the motor. Any valve cover crank breather you see on any motorcycle has a plate / laybrinth of baffles so that the exiting air has to go through at least a few 90 deg bends to allow oil to condense and not leave the motor.
Simply putting a hole in the case is likely going to have tons of oil mist coming out.
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I suggest sending him a Private Message (PM). Assuming he has stock available, he will likely get back to you with instructions as to how to send him money (PayPal to his email address), and guide you from there.
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8,394 Posts
Sometimes between contacting him and Franco of Finbro garage of Northern Calif you might be able to get your parts since a lot of custom parts are sent to Franco that you might not be able to get.
I think most of the 4V engines that are made thru FatherZ is using Koso Heads because of the way the intake ports are designed/ported, a lot better than the Takegawa unless you port it out like I did.
His speed spacer really works which I like a lot.
Waiting for his 210cc BBK kit to come out with setup for Takegawa 4v head, meaning I would like to see a machined piston with relief pockets to clear the Takegawa head 4 valves. Reason I like Takegawa is their cam setup has a de-compressor unit that works pretty good.
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684 Posts
NO messages received, paypal is [email protected] vent cover is 150 shipped. my build thread 7000 dollar money pit has most of my products in it
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290 Posts
All his products work flawlessly, that breather with the built in baffles, ingenious!!!!
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I will ck out that thread... again!
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168 Posts
I purchased a set of OG Enkei wheels from Kenny (rkfinch23) when he was relatively new to the forums. As part of the transaction we had a lengthy conversation, full of humor and truth. To put it simply, he knows his stuff.
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341 Posts
That does look nice!
Where are you routing the crankcase breather hose to? How does the line terminate?
I have the Takegawa vented oil filler as well so I've connected cam cover, crankcase stock breather, and oil filler cover together and put the crank breather filter where the stock charcoal canister normally would reside. Haven't had any oil come out of the lines yet.
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341 Posts
Installed that Drow vented cam cover today. Nice piece, but a bit heavy.
It does have a 90 degree baffle inside before the vapor exits the cover, which should capture some oil.
Still playing with the routing of the tubing.
Now I have 3 crankcase vents, Stock, oil cap, and cam cover. All running independent lines and ending with a uni filter. Capped the breather port on the chimera intake I run and have the stock crank line running to a uni filter as well.
How much does the crank really need to breath anyway?! Seems like overkill, but WTH.
Pics to follow.
Not sure about the effects but after reading about larger bores creating a lot of pressure in the engine which caused heat build up and then oil venting out I added the vents to mine.
Unfortunately then my cam issue happened. I did notice that it seemed to free up some power when added.
Interesting. I've yet to see any oil come up on mine.
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341 Posts
Clear tubing?
My tubing is visible above, black.
Recently removed it though and no oil in it. Not that it is saying much.
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