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post #1 of 10 Old 06-16-2011, 01:11 AM Thread Starter
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River Raider snorkel question

OK, finally am getting around to installing the gen 2 snorkel I bought a while ago. What are you guys doing about the PCV situation? Is there a nifty quick filter install or what?

When you install kenny's system you reverse the airflow through the filter and the PCV hose is now sucking in unfiltered air. Not a deal breaker but there is no mention of it in the instructions (nor the fact you need to clean or replace your air filter). I am figuring somebody has the easy fix and I would like to know before I start using my limited brain to rig something up.

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post #2 of 10 Old 06-16-2011, 07:07 AM
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Quote:
Originally Posted by toymaster View Post
OK, finally am getting around to installing the gen 2 snorkel I bought a while ago. What are you guys doing about the PCV situation? Is there a nifty quick filter install or what?

When you install kenny's system you reverse the airflow through the filter and the PCV hose is now sucking in unfiltered air. Not a deal breaker but there is no mention of it in the instructions (nor the fact you need to clean or replace your air filter). I am figuring somebody has the easy fix and I would like to know before I start using my limited brain to rig something up.
I just did everything the instruction manual said, and I haven't had any problems... Mind you, I have changed the air filter a couples of times since then; but the install was about 30,000 miles ago.

**NOTE**
When cutting the hole in the fender for the snorkel, I suggest using a hole saw that is just a millimeter larger. My snorkel was painted, so it was as large in diameter as the hole (NO wiggle room whatsoever).


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Last edited by ChrisW; 06-16-2011 at 07:11 AM.
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post #3 of 10 Old 06-16-2011, 08:09 AM
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Had mine on for over 3 years now, followed the instructions and never had a problem at all.

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post #4 of 10 Old 06-16-2011, 09:00 AM Thread Starter
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The thing is the PCV (positive crankcase ventilation) mainly lets air out but also lets air into the engine. After the rerouting of the airflow it is unfiltered air. Will this show a visible problem in the short run no but, long term is will increase wear.

I am pragmatic about air filters and have no problem running a K&N in my stuff have for years in fact in other rigs. Some people freak out and will not run high flow filters. That said this situation does bother me. I'll guess I'lll check into an inline filter.

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post #5 of 10 Old 06-16-2011, 01:15 PM
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ok, you lost me. The snorkel ties in to the factory air box with the air filter in it. It does not bypass the air box.

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post #6 of 10 Old 06-16-2011, 08:43 PM
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Yes this question is misleading. The snorkel kit does not by-pass the filter. The instructions are clear and show how to make a sealed connection that allows only filtered air into the engine. We do recommend a high flow filter like a K&N flat panel filter in the factory air box.

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post #7 of 10 Old 06-17-2011, 04:51 PM
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he is talking about the small hose that connects to the side of airbox.

I'e had mine almost 3.5 years now and 82K miles with my snorkel and zero issues. worried about it cut a small piece of old filter and silcone or tape it to the inside of the airbox where the PCV hose connects.


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post #8 of 10 Old 06-18-2011, 03:29 AM
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Going on 4 years and not one problem! I love this system! I just hooked up my hoses different. I was afraid of water getting in the air box and sitting on the filter but I never found any water getting in to the air box even after one of our nasty Florida rains!!!



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post #9 of 10 Old 07-15-2011, 12:21 PM Thread Starter
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Quote:
Originally Posted by crash View Post
Yes this question is misleading. The snorkel kit does not by-pass the filter. The instructions are clear and show how to make a sealed connection that allows only filtered air into the engine. We do recommend a high flow filter like a K&N flat panel filter in the factory air box.
No Kenny the question is not misleading if you know what a PCV is. To fully explain for those who do not know what a PCV valve is... there is pressure that passes the piston rings and will pressurize the crank case. The PCV valve allows the air to be vented relieving the pressure. Although, most of the air flow is out of the crank case there is airflow into the engine. This is why the engineers routed the PCV hose to the filtered side of the air box. Your design does not allow for this.

Is this a huge issue? No, but when I was looking at it I figured others would have already noticed it and solved the issue. I was thinking 2 replies at the most and I would have a quick convenient fix. I guess I was wrong and what really surprises me is that you did not know this or choose to ignore it. I realize you are a fabricator but this is not rocket science either.

I suggest you please continue to offer top notch products but do not ignore when small issues arise.

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post #10 of 10 Old 07-15-2011, 09:49 PM
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Originally Posted by toymaster View Post
No Kenny the question is not misleading if you know what a PCV is. To fully explain for those who do not know what a PCV valve is... there is pressure that passes the piston rings and will pressurize the crank case. The PCV valve allows the air to be vented relieving the pressure. Although, most of the air flow is out of the crank case there is airflow into the engine. This is why the engineers routed the PCV hose to the filtered side of the air box. Your design does not allow for this.

Is this a huge issue? No, but when I was looking at it I figured others would have already noticed it and solved the issue. I was thinking 2 replies at the most and I would have a quick convenient fix. I guess I was wrong and what really surprises me is that you did not know this or choose to ignore it. I realize you are a fabricator but this is not rocket science either.

I suggest you please continue to offer top notch products but do not ignore when small issues arise.
Really smarty pants if you have compression leaking past you rings you have a bigger problem than knowing or not knowing what a PFC is. Crank case pressure is from an engines down stroke.



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