My version of a cowl snorkle
Seasoned Member
Joined: Feb 2011
Posts: 300
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From: east mesa, AZ
Year: 1993
Model: Cherokee
Engine: rebuilt 4.0
Originally Posted by dukie564
yea you can do that
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☠ CF Sheriff ☠

Joined: Nov 2009
Posts: 15,197
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From: Aberdeen, MD
Year: 1995
Model: Cherokee
Engine: 4.0L HO I-6, 703 Injectors, Brown Dog Super Engine Mounts
hmmm don't think i have a photo. I cut it to fit over the tube radius, then sloped it back to full thickness. Wasn't exactly pretty but as smooth as I could make it
Seasoned Member
Joined: Feb 2011
Posts: 300
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From: east mesa, AZ
Year: 1993
Model: Cherokee
Engine: rebuilt 4.0
Seasoned Member
Joined: Feb 2011
Posts: 300
Likes: 0
From: east mesa, AZ
Year: 1993
Model: Cherokee
Engine: rebuilt 4.0
Seasoned Member
Joined: Aug 2012
Posts: 288
Likes: 0
From: Amarillo, Texas
Year: 1992
Model: Cherokee
Engine: 4.0I
Originally Posted by Rev.LowBuck
I cut a chunk out of the 3" PVC where it entered the box so the fliter would fit in there nice and I wouldn't have to trim replacements.
Junior Member
Joined: Aug 2012
Posts: 31
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From: Flushing, MI
Year: 1993
Model: Cherokee
Engine: 4.0
I cut it with a hack saw.
I mocked everything up and marked the PVC all the way around about 1/4 inch inside the box. Then I did a hash mark a bit below where I knew the bottom (paper side) of the filter would be. I cut the PVC vertically down to the hash mark, a bit over an inch as I recall. Then I cut horizontally along the pipe to remove the section that the filter would want to hit.
When I put it all back together I ran a bead of RTV around the PVC to seal it up. The Paper filter does crush a little bit against the PVC but trimming isn't necessary.
One of my favorite tools is a wire PVC saw that I got at the hardware. A piece of steel cable with a loop on the ends. These are good for cutting PVC in tight spaces like floor joists. I didn't use it for this job because the hack saw was next to my bench and the cable saw wasn't as handy.
I mocked everything up and marked the PVC all the way around about 1/4 inch inside the box. Then I did a hash mark a bit below where I knew the bottom (paper side) of the filter would be. I cut the PVC vertically down to the hash mark, a bit over an inch as I recall. Then I cut horizontally along the pipe to remove the section that the filter would want to hit.
When I put it all back together I ran a bead of RTV around the PVC to seal it up. The Paper filter does crush a little bit against the PVC but trimming isn't necessary.
One of my favorite tools is a wire PVC saw that I got at the hardware. A piece of steel cable with a loop on the ends. These are good for cutting PVC in tight spaces like floor joists. I didn't use it for this job because the hack saw was next to my bench and the cable saw wasn't as handy.
Last edited by Rev.LowBuck; Dec 4, 2012 at 09:47 AM. Reason: spelling error
CF Veteran
Joined: Nov 2011
Posts: 1,122
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From: Manchester, N.H.
Year: 1995
Model: Cherokee
Engine: 4.0 HO
WOW 41000+ views! Been meaning to do this to mine for a while now. maybe this weekend. As usual, very informative and helpful write-up from you sir
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Joined: Oct 2012
Posts: 613
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From: Fort Dix, NJ :(
Year: 99
Model: Cherokee
Engine: 4ho
This is what I'm going to use for my snorkel. If it doesn't hold up that well to the heat, I'll wrap it in exhaust wrap. http://www.lowes.com/pd_259816-62059...ain&facetInfo=
Seasoned Member
Joined: Aug 2012
Posts: 288
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From: Amarillo, Texas
Year: 1992
Model: Cherokee
Engine: 4.0I


