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#1 |
Registered User
Join Date: Dec 2004
Location: Saskatchewan, Canada
Posts: 1,371
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Fuel filler that works, blazer tank?
I built a fuel filler for my blazer tank in my 72 LWB, but I'm not so sure it will work well. I planned on running a coolcap boat style cap in the drivers corner of the bed, with a brass elbow off that and a rubber hose going into the tank inlet. It seems to me that might fill slow and spill over a lot. Is there a better way than that in a LWB? I can't do the sidemarker thing as I have firebird markers. Thanks!
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1964 Chevy Short Fleet: Tornado 1972 Chevy C10: Fast Orange Secondaries Wide Open |
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#2 |
Retired Air Force Veteran
![]() Join Date: Aug 2007
Location: Pembroke Pines, Florida 33024
Posts: 1,808
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Re: Fuel filler that works, blazer tank?
What is the diameter of the fill neck on your blazer tank? I have a poly tank and my fill neck is 1 1/4 inch OD. I have a SWB Step Side and I am using the rear marker light on the drivers side.
As for your location, 1st - is your fuel fill line the same size as the cool cap? If, not, how are you going to reduce it? I'm using an S-10 filler neck and it's 1 7/8 inch diameter OD, so I got a piece of 1 1/4 inch exhaust pipe and am going to have it opened to just a tad bigger than the S-10 filler neck size and so it will just slip over, than weld it. The 45 degree filler neck on the blazer tank is a tough angle and 1 1/4 inch makes for slow filling. Do you have a metal or wood floor? If metal, can you use your cap on the floor? The Cool Cap (by Air Ride Technologies I believe) is a real nice cap but you may have to look at other filler caps. I have a wood bed, so I didn't want to screw up the wood with the gas. Thats why I chose the marker. Hope this helps.
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#3 |
PROJECT 7DEUCE
![]() Join Date: Dec 2002
Location: GRANTS PASS OR
Posts: 21,608
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Re: Fuel filler that works, blazer tank?
Try putting the filler behind the drivers side taillight.
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GO BIG GREEN ![]() MEMBER #6377 72 k-5 daily driver 6'' lift 35'' 350-350-205 slowly getting rust free. Project "7DEUCE" check out my build http://67-72chevytrucks.com/vboard/s...d.php?t=267665 Tim Powell..R.I.P EastSideLowlife..... R.I.P.. |
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#4 |
Retired Air Force Veteran
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Location: Pembroke Pines, Florida 33024
Posts: 1,808
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Re: Fuel filler that works, blazer tank?
As I went into my long winded placement of my filler neck and trying to help Muddpile out, I thought of that and was wondering if there would be any spark with the tail light wires. If that does not pose a problem, for that longbed application - behind the light is a great location.
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Harry 69' SWB Step Side 1/2 Ton w/68' Front Clip Swap from Leafs to Trailing Arms (Complete) Swap 6 Lug to 5 Lug (w/ Disk Brakes in Front) 3/6 Drop ![]() Help Support The Board Click Here For Information On How To Subscribe Krue's FAQ Page Vendors |
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#5 |
Fat Fendered Fleetside
Join Date: Nov 2004
Location: WPB, S. FL, USA, Earth
Posts: 718
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Re: Fuel filler that works, blazer tank?
![]() I put mine in the taillight, seems to be a pretty popular mod now..... I'd suggest that no matter where you decide to put your fill, to make sure to attach a fill vent tube. Without it, the fuel has to go in the same tube the air comes out of, and makes filling the tank slow and sure to have gas dripping/gluging all around the filler. I am using a blazer tank too, but the angled neck does not seem to pose a problem. I used marine fuel filler hose, as the auto supply houses around me didn't have anything long enough. From the blazer fill to the taillight is almost 4'! |M|
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71 GMC lwb 56 Big window swb 93 GMC Sonoma (dd) radiused fiberglass fender project for 67-72 |
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#6 |
Retired Air Force Veteran
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Location: Pembroke Pines, Florida 33024
Posts: 1,808
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Re: Fuel filler that works, blazer tank?
Mordachai, Nice idea. Muddpile, looks like you have some pretty good ideas.
Good Luck
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Harry 69' SWB Step Side 1/2 Ton w/68' Front Clip Swap from Leafs to Trailing Arms (Complete) Swap 6 Lug to 5 Lug (w/ Disk Brakes in Front) 3/6 Drop ![]() Help Support The Board Click Here For Information On How To Subscribe Krue's FAQ Page Vendors |
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#7 |
Fat Fendered Fleetside
Join Date: Nov 2004
Location: WPB, S. FL, USA, Earth
Posts: 718
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Re: Fuel filler that works, blazer tank?
I meant to say that I don't think you'd have trouble using that cool cap in the corner as long as it's vented. Before I set my fill up through the light I had the fill coming through the upper surface of the driver's wheel well(they were swiss cheese anyway, another hole didn't make a difference) and it filled just fine.
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71 GMC lwb 56 Big window swb 93 GMC Sonoma (dd) radiused fiberglass fender project for 67-72 |
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#8 |
Registered User
Join Date: Dec 2004
Location: Saskatchewan, Canada
Posts: 1,371
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Re: Fuel filler that works, blazer tank?
I guess I should explain a little better:
-Poly Blazer tank with 1 1/4" I.D. rubber hose clamped over the filler -Imitation coolcap with 1 1/2" female pipe thread -90 degree brass 1 1/2" street elbow -1 1/2" x 1 1/4" brass bushing -1 1/4" brass male thread x hose barb that has the other end of the hose clamped over it. The tank is vented, so you think the bedfloor should work decent in the corner?
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1964 Chevy Short Fleet: Tornado 1972 Chevy C10: Fast Orange Secondaries Wide Open |
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#9 |
Fat Fendered Fleetside
Join Date: Nov 2004
Location: WPB, S. FL, USA, Earth
Posts: 718
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Re: Fuel filler that works, blazer tank?
I think it would work, the only thing is that the more horizontal the fill tube, the slower it will fill. I definitely noticed it's slower though the taillight than from when I had it on the wheel well. The filler sits about 3" higher than the tank, so it's a pretty horizontal fill.
If you can elevate it, maybe put it through the inner bedside instead of the floor then it should fill much faster.
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71 GMC lwb 56 Big window swb 93 GMC Sonoma (dd) radiused fiberglass fender project for 67-72 |
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#10 | |
Registered User
Join Date: Jul 2003
Location: Cypress, Tx
Posts: 4,005
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Re: Fuel filler that works, blazer tank?
Quote:
Why can't you use the sidemarker fill with the firebird light? I am going to be installing them on my truck soon and don't see the problem with mounting them. It will bolt to the gas door itself. What is the problem you are running into. Maybe I'm overlooking something. Shawn
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1972 C20 Suburban- Big Blue Betty '56 Chevy Bel Air Sedan- Frame up Restoration -What would you attempt to achieve if you knew you could not fail?- -I Refuse To Tiptoe Through Life, Only To Arrive Safely At Death's Door- R.I.P. EAST SIDE LOW LIFE |
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#11 |
Registered User
![]() Join Date: Feb 2001
Location: East Central, MO
Posts: 11,336
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Re: Fuel filler that works, blazer tank?
Mine works really well but isn't the fastest filling. I may have a little more clearance between the bed floor and the tank but it sounds like you have done yours pretty much like the way I did.
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#12 |
Fat Fendered Fleetside
Join Date: Nov 2004
Location: WPB, S. FL, USA, Earth
Posts: 718
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Re: Fuel filler that works, blazer tank?
hey Mudder. Is that a wood bed, or an I seeing things? And if it is a wood be, how is it held down?
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71 GMC lwb 56 Big window swb 93 GMC Sonoma (dd) radiused fiberglass fender project for 67-72 |
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#13 |
Registered User
![]() Join Date: Feb 2001
Location: East Central, MO
Posts: 11,336
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Re: Fuel filler that works, blazer tank?
It is a wood bed and it is bolted down with 9" carriage bolts. They were hard to find btw. The bolts drop through that round spacer you see there under the filler tube.
Last edited by Mudder; 12-06-2007 at 01:46 PM. |
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#14 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: Fuel filler that works, blazer tank?
the thing that scares me about these hidden behind the light things is that with a very slight tap you've got loose live wires and an open gas filler . seems to me a better chance of explosion from loose wires and gas fumes than with an in the cab tank // just something to think about when moving a tank for alleged safety reasons huh
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#15 |
Fat Fendered Fleetside
Join Date: Nov 2004
Location: WPB, S. FL, USA, Earth
Posts: 718
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Re: Fuel filler that works, blazer tank?
^ Great point, I wondered about it too when I did it, but figured since the old bel airs filled this way, why not try it out. But I also moved mine for more space in the cab, as well as carrying a little more fuel.
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71 GMC lwb 56 Big window swb 93 GMC Sonoma (dd) radiused fiberglass fender project for 67-72 |
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#16 | |
Registered User
Join Date: Jul 2003
Location: Cypress, Tx
Posts: 4,005
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Re: Fuel filler that works, blazer tank?
Quote:
Shawn
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1972 C20 Suburban- Big Blue Betty '56 Chevy Bel Air Sedan- Frame up Restoration -What would you attempt to achieve if you knew you could not fail?- -I Refuse To Tiptoe Through Life, Only To Arrive Safely At Death's Door- R.I.P. EAST SIDE LOW LIFE |
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#17 |
TOTY 2006
![]() Join Date: Dec 1999
Location: Magalia CA USA
Posts: 2,270
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Re: Fuel filler that works, blazer tank?
I placed my filler in the left rear stake pocket, and I added a vent from the tank up to about 2 inches below the top of my filler that way the air being displaced by the incoming gas could escape without any slowdown in filling. I have no problems filling my tank. Only other change I made was to add a vacumn valve (from a dirtbike gas tank) so as not to get any vacumn in my tank when driving. Pictures of my filler can be found here. http://67-72chevytrucks.com/vboard/s...d.php?t=207027
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#18 |
Registered User
Join Date: Feb 2007
Location: Sweetwater,TN
Posts: 40
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Re: Fuel filler that works, blazer tank?
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#19 |
Registered User
Join Date: Dec 2004
Location: Saskatchewan, Canada
Posts: 1,371
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Re: Fuel filler that works, blazer tank?
jorgensensc, the firebird marker is held in by itself, at least in my application. I cut the screw tabs off the bed, and put the trim on the outside of the truck and the lens on the backside, then put the nuts on. You might be able to rig it, but it's hard to say. Plus the firebird markers are sunk in, so difficult to grab.
Mudder, thanks for the pic, that is pretty much the idea I have as well. John Fabris, Yours is my favorite on this board. I was going to do it that way, but couldn't find one of those caps around here, so I figured I'd go a simpler way. Panteratron, I must have missed that thread, wow! If I were running LED's, that would be killer.
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