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Old 10-15-2013, 08:12 PM   #1
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gas tank skid plate help

Been searching for an answer for hours. I have a 95 yj, I need to replace my stock gas tank skid. I keep finding 15 gal skids for cheap and 20 gal tanks for four times as much. What I can't figure out is what size I have. From what I read all yj's have 20 gal tanks but some only take 15 gals due to a short vent tube. I just need to know what i have without dropping the tank.
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Old 10-15-2013, 08:24 PM   #2
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From what I have read, 15 gallon tanks have a round hole for the fuel pump, while 20 gallon tanks have the rectangular hole.

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Old 10-15-2013, 08:26 PM   #3
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91-95 yj all had the capability of holding 20 gallons if the tube is cut
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Old 10-15-2013, 08:49 PM   #4
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As a general rule Plastic tanks = 20 gallons. Steel tank = 15.
Also late yj the plastic tanks are also 15 gallon but will dimensionally hold 20 gallons with a vent tube mod.

231 square inches in a gallon. They measure out, but be careful because there still needs to be room in the tank for the volume fluctuation in the ambient temp of the fuel. Don't cut the vent tube too short.
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Old 10-15-2013, 09:00 PM   #5
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steel 20 gallon tanks were also available in early yj's
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Old 10-15-2013, 09:06 PM   #6
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Im running into the same problem with my skid plate. And looking at the difference the two are different but i figure ill use the cheaper one and mod it to work just gotta figure out how much different it is. Looks like the late model yj has a corner shaved off and a heat shield for the exhast.
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Old 10-15-2013, 09:39 PM   #7
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Quote:
Originally Posted by harleydragon View Post
steel 20 gallon tanks were also available in early yj's
I've never seen one, it may be a California thing. My yj 88 came with a steel 15. All the 20 from 87-90 were plastic.
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Old 10-16-2013, 07:58 AM   #8
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Quote:
Originally Posted by DGcooper View Post
I've never seen one, it may be a California thing. My yj 88 came with a steel 15. All the 20 from 87-90 were plastic.
I can't remember for sure.my wifes 89 yj sahara held 20 but I was thinking that it was a steel tank
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Old 10-16-2013, 08:11 AM   #9
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I would like to get dimensions for the skid plate and fab my own. I work at a machine shop with a steel provider next door, with could cut the pattern and I can bend plate and machine everything that needs done. Just having hard time finding the right dimensions. I have a rough idea but don't want any hiccups or it would cost more than buying from catalog.
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Old 10-16-2013, 08:36 AM   #10
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pull the old one and use it for a pattern
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Old 10-16-2013, 09:20 AM   #11
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Yeah, probably what I'm gonna have to do. They have a plasma cutter at the other shop and could make wicked design cutout.
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Old 10-16-2013, 09:30 AM   #12
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Originally Posted by tkalweit View Post
I would like to get dimensions for the skid plate and fab my own. I work at a machine shop with a steel provider next door, with could cut the pattern and I can bend plate and machine everything that needs done. Just having hard time finding the right dimensions. I have a rough idea but don't want any hiccups or it would cost more than buying from catalog.
heres the plans to build your own along with a few more projets
4x4trax.net

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