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Improved fuel tank vent kit.

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the truck I wish I had not sold.

Weird front end wobble

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Wanted to thank Dave a bunch... what a difference at fill up. I didn't run as dry as I should have BUT I had no problems with install... around 2 hours. Put 32 gallons in and took less than 8 minutes.





An additional thought/idea. I did this by myself and was having some difficulty manhandling the tank... darn'd thing is LONG. I remembered my motorcycle/ATV jack... it worked NICELY. It fits right inbetween the 2 straps so you can remove them etc... I had to jack the truck up and put the axle on stands BUT that's easy. Then just rolled the tank out did the mod and rolled it right back in. Makes it nice and safe and easy especially when trying to line it all back up with the straps. So if you have access to or own one of these it makes this mod MUCH easier and safer.
 
EIGHT MINUTES! Man, that's a slow pump. You must have had the lever on the first notch while you went inside or something. (smile)
 
For all of those waiting for parts, I'm hopefully getting the last part I need this week, and I'll be shipping kits on friday the 21st. One was on backorder. I'm on a trip until late thursday night, so I'll be answering e-mails friday morning when I get home. Sorry for the delay for those who are waiting on the kit.

-Dave
 
Jeremiah said:
EIGHT MINUTES! Man, that's a slow pump. You must have had the lever on the first notch while you went inside or something. (smile)
It was a little less than 8 minutes and I wasn't at a truck stop... it probably would have filled in 2 or 3 there. I usually fuel up at a local walmart... so far I;ve had great results with mileage and surprisingly it seems lots of diesels fuel there... ranging from trucks our size to 18 wheels. Before it was taking me as long as 20-25 minutes depending on how empty it was ... I'm anal in I like it to be full so I get an accurate mileage calc. Their prices are also about 3-5 cents less compared to other areas... Still sucks though... last time I filled up a couple weeks ago I paid $1. 91... today I paid $2. 05 !!
 
That's encouraging about Wal-Mart. They're in the process of putting in a store next door to Safeway in Woodland Park, Colo. , where I buy fuel. Safeway already gives a 3-cent discount, so that'll be a good deal if Wal-Mart beats Safeway's price.
 
Murphy Oil headquarters is (or used to be) in El Dorado, Ark. , my hometown. The family that owns it is a (very distant) relative.
 
Improved fuel tank vent kit

Ok, so I'm not the first guy to install the fuel tank vent kit and like it, and all I can do is say "me too!", but I'm gonna say it anyway. I had my '05 with 2400 miles on it at the dealer today to install a Jacobs exhaust brake, a SuperHitch, mud guards, wheel well liners, some stuff like that, and I asked them if they'd install the vent kit while I had it there. They said "no problem" and even let me stand around and "back seat drive" without doubling the shop rate on me. :-laf



Anyway, I'd driven it 10 miles past DTE 0 and had just over an inch of fuel left, so if you've got an '05, you might want to carry some fuel with you if you run it 35 past like Dave did with his. I don't think mine would've made it. I had a truck stop half a mile from the dealer, so I didn't have any problem getting there when they were done.



All I can say is "WOW, what a difference!!!" Oo. And to think I lived with terrible fueling rates on my '93 for almost 12 years. Boy, was that ever dumb... As far as I'm concerned, if you don't have this vent kit installed on your CTD, you should really, really seriously consider doing it soon. After spending 5 minutes or so after the first click-off of the nozzle (and sometimes enduring several click-offs before it was anywhere near full) every time I've fueled the truck so far, this time I gently eased up to the pump, put the nozzle in, locked it on high, and put 37. 4 gals in it before the first click-off. 3 or 4 click-offs and less than 30 seconds later, I had 37. 737 gals in it and could see the fuel running back down the vent tube. Absolutely amazing! Thanks, Dave!!! Oo. And BTW, I drove immediately back down to the dealer, told him what had happened, and he took my copy of your instructions away from me and said he's going to contact you for some kits for some of their customers who've griped about the lousy fill-up times.
 
An update

For those that have not installed the kit, I have had a couple of people that have broken the bulkhead fitting during installation. I spoke with my supplier, and they don't have a torque specification for the nut. The gasket is thick and will seal with a moderate amount of pressure. Please be careful when tightening the nut! If overtightened, it will break the flange. As stated in the instructions, do NOT use a thread locking agent. It will deteriorate the nylon. You may use drops of super glue on the threads after the nut is tightened, but super glue can be weakened with water. a liberal coating of silicone over the super glue will protect it.

A better solution to locking the threads would be to use epoxy. Apply a few drops on the threads where the nut meets the threads after you tighten the nut. This will keep the nut from backing off. If you have any questions, please call me at home at 812-656-8223 or on my cell at 717-808-7376.
 
Thanks, Dave!



I installed my kit Saturday. I guess I'm a little slower than most, because it took five hours (including two materials runs (thread sealant, and pop rivets) and lunch). I couldn't get the fill hose off the filler neck, so drilled out the pop rivets and just pulled the pipe assembly out with the tank.



My shortbed tank looks a little different than your long bed--the filler hose goes in at that angled surface just in front and to the left of where the bulkhead fitting gets installed (I took a pic, but haven't had a chance to download it from the camera yet). That may mean that I don't gain quite as much volume (and maybe that's how the short-bed tank is only 1 gallon less than the long-bed).



I went 27 miles past DTE=0, and had about 2-1/4" of fuel in the tank. When filling it after another five miles, the pump popped off at just over 33 gallons, and it was still under 34 gallons when the fuel level was right at the bottom of the vent in the filler neck. I should do the next fill (hoping to do it just when the low fuel light comes on--that's been pretty reliably a 27 gallon fill to first pop-off on both the current truck, and my previous '98) by Wednesday.
 
Mark,



Glad you like the kit. It will allow you to get that last few gallons in much quicker. The main benefit is the time saved to get to a full tank.
 
I've sent out updates to the instructions to everyone I had e-mail addresses for. I just recently got a new computer and I don't have everything transferred over yet. If you didn't get an e-mail from me and you have the new version of the kit, send me an e-mail and I'll send you the newest set of instructions. Sorry for the inconvenience.



-Dave
 
I received my kit very promptly and waited for a warm day to do the install, but Monday worked so I suited up in the Carharts and at about 25degrees, decided to Get R Done! About 45 minutes on removing the tank, got the big hole drilled and took a break to warm up. Came back, installed the bulkhead fitting and while tightening up after the elbow, I heard a big TINK and the flange on the fitting broke off. I wonder if the sub freezing temperature caused it to be a little brittle?



Panic time!! No one in town even knew what I was talking about when I called around looking for this fitting.



Called David and he overnited another fitting, What a guy.



The rest of the install went smoothly. I poured in 8 gallons here at home, drove 6 miles to town and put in 31. 1 more! I didn't think I was fighting the foam that badly, but the tank filled quickly, clicked off, I rounded up maybe 50 cents more and had "liquid" at the vent hole! I think I have only seen liquid diesel in the neck once in 46,000 miles. Neat little mod. I am going to send one to my buddy as a present. Thanks for all the help David.
 
I have not done the vent-kit install yet, although I have David's new verison kit for awhile now. Originally was going to use a mechanic friends shop to do it, but he is so busy with work here lately just can not get a space available.



This afternoon I was talking to a co-worker friend about using his shop, and he said sure. He ask me what I was planning on doing, and I said I need to drop the tank to do a vent-kit install. After explaining to him what it's purpose was he said why not just remove the bed bolts and slide the bed back. He said that he had done serveral pump change outs that way. He said you can do it the way you want. Also said he's got a transmission jack we could use to lower the tank.



Can this mod be done that way or is there going to be more problems come up. I'm still favoring Dave's directions myself. Sounds like a easy way to develop squeaks and unwanted rattles going from the top side.



Tony
 
I'm getting ready to do mine too Tony.



I don't think moving the bed back is worth it. Thare is just too many things that could go wrong. IMHO
 
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