Trask Check M8 - Another Perspective
Seasoned HDF Member
Joined: Jan 2006
Posts: 11,476
Likes: 3,003
From: Charleston, SC
I'm surprised HD hasn't released a Screaming Chicken oil pan vent for their 131.
Seems like an instant money maker given all they would need to do is drill a hole and put a one way valve in - hell they make the trans cover.... How could they pass that up? Explain like I'm five.
Seems like an instant money maker given all they would need to do is drill a hole and put a one way valve in - hell they make the trans cover.... How could they pass that up? Explain like I'm five.
Seasoned HDF Member
Joined: Jan 2008
Posts: 13,679
Likes: 11,470
From: State of Confusion
MJ, I understand your criticism, truly. My post was more fun than anything, 702 gives me **** about this from time to time LOL.
My concerns (if you can call them that) are geared toward my 128 inch upgrade, and the OEM vents in the heads. Having dealt with crankcase pressure issues in many different engines, I just want to make sure mine is adequate.
In the grand scheme...this one is not all that expensive
My concerns (if you can call them that) are geared toward my 128 inch upgrade, and the OEM vents in the heads. Having dealt with crankcase pressure issues in many different engines, I just want to make sure mine is adequate.
In the grand scheme...this one is not all that expensive
Seasoned HDF Member
Joined: Aug 2017
Posts: 7,323
Likes: 11,762
From: Omaha,NE
The only reason I would be interested in the Trask Check M8 is for the the benefit of keeping crankcase vent oil from getting into the cylinders. Well, that, and it looks trick. 
However, this thread has illuminated the recommendation to have the oil pump seal in place before installing the Check M8, which I don't have. If I ever do replace my oil pump, maybe I'll get the Trask plate also. Shut up and take my money.
However, this thread has illuminated the recommendation to have the oil pump seal in place before installing the Check M8, which I don't have. If I ever do replace my oil pump, maybe I'll get the Trask plate also. Shut up and take my money.
Road Master
Joined: Sep 2007
Posts: 801
Likes: 62
From: NoVa
I can definitely attest to oil blowing out of it if you don't have the seal, mine was puking pretty bad when we rode down to Myrtle Bike week. I had an S&S oil pump installed last year and for some reason or another they didn't think it was necessary to install the seal. I ran the hose to the back of the bike past the rear wheel and installed an oil catch can plus lowered the oil level a half quart and it seems good to go. If and when I have a big bore kit installed I'll have them install the seal then.
Seasoned HDF Member
Joined: Jul 2013
Posts: 11,185
Likes: 7,961
From: In my head
I'm surprised you didn't get the turbo while you were at it. When all said and done it was almost $6K when I did mine, then I put an additional $8K into it with a bigger turbo, cams and exhaust. 3 rd gear wheelies on the fwy are fun but alas, I didn't;'t like it because they power was unpredictable.
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Seasoned HDF Member
Joined: May 2018
Posts: 5,814
Likes: 7,147
From: Las Vegas
I'm surprised you didn't get the turbo while you were at it. When all said and done it was almost $6K when I did mine, then I put an additional $8K into it with a bigger turbo, cams and exhaust. 3 rd gear wheelies on the fwy are fun but alas, I didn't;'t like it because they power was unpredictable.
Road Captain
Joined: Jun 2006
Posts: 723
Likes: 62
From: Cape Cod, Ma.
I know that I have more than 2K on my Check M8 and there is no even slight hint of oil on that breather filter. I have run the **** out of it too. So far, I happy with the money spent and the results. I have my hose/filter run to the same location as well.
Neil
RDMC
Neil
RDMC
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Seasoned HDF Member
Joined: May 2018
Posts: 5,814
Likes: 7,147
From: Las Vegas
Here's another bit of info that some of you might find interesting - I still have the breather bypass installed in addition to the CheckM8 and I've just returned from a 2k mile trip to Colorado. Before I left I changed my engine oil (I use HD360) and filled it to the full mark on the dipstick (topped off while oil was hot). I checked it hot yesterday when I got home and it's still on the full mark after 2k miles, with no sign of oil at either vent tube.
Stellar HDF Member
Joined: Jan 2017
Posts: 2,685
Likes: 2,087
From: Massachusetts
It will come out of their breather. Built in rust proofing!