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03-23-2019, 08:45 AM | #1 |
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Join Date: May 2010
Location: PASADENA, CA
Posts: 1,884
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Splash apron hole size
I am putting together a 31 and adding side mounted spare tires.
What is the size of the hole in the splash apron for the side mount arm? I have pilot holes drilled that line up with the brackets on the frame. I think it may be 1 1/2 inches but want to be sure before I enlarge the pilot holes to the final size. Thanks in advance. Chris W. |
03-23-2019, 09:57 AM | #2 |
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Join Date: Jul 2010
Location: Cow Hampshire
Posts: 4,188
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Re: Splash apron hole size
Do you have the "donut gasket" (anti-rattle) where the arm comes through the splash shield?
A good plan would be to make the hole large enough to pass the gasket through and allow the gasket to seat on its groove. You want a little compression in fit - maybe such that the tapered arm can be passed through the hole but everything is "snug." Plumbers taper reamers (used for de-burring pipe) work good for this. Be sure to do both sides and follow up with fine sandpaper lest you make a sharp edge which cuts the seal rubber. Joe K
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03-23-2019, 09:58 AM | #3 |
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Join Date: May 2010
Location: Tacoma, WA
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Re: Splash apron hole size
MMM not sure about the diameter. What are the after market grommets made for.
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03-23-2019, 01:20 PM | #4 |
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Join Date: Oct 2017
Location: Leicester, MA
Posts: 296
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Re: Splash apron hole size
Mine is off right now so I measured it as 1 3/4"
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03-23-2019, 02:24 PM | #5 |
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Join Date: Jun 2015
Location: Signal Mtn, TN (SE TN)
Posts: 2,370
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Re: Splash apron hole size
Looks like you are going the right way .The trick is getting in exactly the right spot
There are tips to it including a centering method off the tire mount for 3031 |
03-23-2019, 11:55 PM | #6 |
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Join Date: May 2010
Location: PASADENA, CA
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Re: Splash apron hole size
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I do not have a grommet at this time and wanted to get the all the aprons and fenders ready for final paint and wanted to finish the hole before I painted everything. If I had a grommet, I could measure the OD of the grove. I just did not want to make the hole too large. Thanks to everyone for your comments. Chris W. |
03-24-2019, 04:08 AM | #7 |
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Join Date: Jun 2015
Location: Signal Mtn, TN (SE TN)
Posts: 2,370
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Re: Splash apron hole size
Otis anhard hole to drill due to the curvature of the area
Start out smaller and use a die grinder to finish size The contour will cause a hole saw to wander a little |
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