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#1 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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gas tank bolt hole probs?
I got a new tank from LMC and can not get the bolt holes to line up. I am too low on the side w/filler neck and too high on the other end. Anyone else had prob with aftermarket in cab tanks. Any suggestions. The paint in the cab and under the carpet was like new and I am scratching it off. I think the tank may be the culprit. I am working on it now so any suggestions are greatly appreciated.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
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#2 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: gas tank bolt hole probs?
if your worried about the paint put down something heavy like tarpaper to protect it
mock the tank up into what looks to be the proper placement and drill new mounting holes in the tank flanges
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#3 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Re: gas tank bolt hole probs?
I don't like the idea of making it fit. I think if you buy something even if it is repro it ought to fit. Here are some pics of the probs I am having. I can get three bolt holes in but the one sid eis still way too high. Do you think it is the tank? If so I will send it back. Alson notice I do not have in the filler neck gromet. I had the tank in with the gromet and it was even further off. I also compared it to the old tank and I think the neck may be at the wrong angle for everything to line up.
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 Last edited by BB72CHEVKT; 09-03-2009 at 03:47 PM. |
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#4 |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Re: gas tank bolt hole probs?
more pics
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 Last edited by BB72CHEVKT; 09-03-2009 at 03:46 PM. |
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#5 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: gas tank bolt hole probs?
well if you dont want to make it fit send it back and just eat the postage costs
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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#6 |
F.A.S.T. president
![]() Join Date: Sep 2003
Location: Florida
Posts: 1,883
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Re: gas tank bolt hole probs?
I have yet to buy a piece of aftermarket sheet metal I haven’t had to make it fit. Sad but true. If you cant live with it then send it back.
Looks like you just have to tweak the fill neck down to get it to fit. Then you should have enough room to rotate the tank counter clockwise to line up the holes better. Some drift punches should get you close enough so you dont have to redrill.
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F.A.S.T. President and Founder Fabricators for the Advancement of Sawsall Technology "A fear of the Sawsall is a sign of retarded sexual and emotional maturity." ~Sigmund Freud, "General Introduction to Psychoanalysis" Last edited by jamis; 06-02-2007 at 01:17 PM. |
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#7 |
Senior Member
![]() Join Date: Aug 2005
Location: Los Angeles
Posts: 1,332
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Re: gas tank bolt hole probs?
Had the exact same problems with a repop tank made in Taiwan. I screwed around with it, and eventually got it to fit, but was not happy with it. Bought a tank from Goodmark that was made in Canada, and it fit very nice.
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1967 GMC CM-2500 Camper Cruiser, 351E V-6, NP 435 4 speed, Dana 60, and factory A/C. 2012 GMC K-3500 WT regular cab, 6.0L Vortec, 6L90. |
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#8 |
Registered User
Join Date: Mar 2007
Location: Eugene, Oregon
Posts: 103
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Re: gas tank bolt hole probs?
Those holes are way off. Thats not even close to lining up. I say drill new holes too.
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1970 LWB 250ci 4 Speed |
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#9 |
Registered User
Join Date: May 2007
Location: East TN
Posts: 171
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Re: gas tank bolt hole probs?
Bought a repo tank from a vendor at the Bristol Super Chevy show last yr and still havent gotten it to fit right. Had the same trouble with the holes. Seemed mine had too much material along the floor...so I made a template from poster board of the contour and traced it onto the tank and went to work with the grinder...oh yes...there was no gas in it!
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#10 |
It's the air up here
Join Date: Mar 2007
Location: Western Colorado
Posts: 710
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Re: gas tank bolt hole probs?
This is why having a "parts truck" around is a good idea!
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1971 cheyenne k10 4 speed np 205 454 BB factory a/c ![]() Never drink down stream of the herd! Eric |
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#11 |
Registered User
Join Date: Feb 2007
Location: Colorado
Posts: 255
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Re: gas tank bolt hole probs?
I had the same problem with the tank I bought from whatever name Chevy Duty is going buy these days. I ended up using a pair of tin snips to make the holes big enough to get the bolts in correctly. I also had to bend the bottom mounting flange on the tank becase it was perpendicular to the bottom of the tank instead at an angle like the stock one. The filler neck didn't quite line up right but I've gotten used to it. I will definetely be more careful about buying the cheapest sheet metal I can find from now on.
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“If you don’t have time to do it right now, how will you ever find time to fix it.” - author unknown '70 SWB Step-Side (More rust than metal) ![]() |
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#12 |
Registered User
Join Date: Jan 2007
Location: Weatherford Tx.
Posts: 106
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Re: gas tank bolt hole probs?
where is hideaway Tx. I live in DFW and have an original tank. Seems to be in good condition and I am going back between the frame with a new one. send me an email.
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#13 |
The Older Generation
![]() ![]() ![]() Join Date: Aug 2006
Location: Montezuma, Iowa
Posts: 25,515
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Re: gas tank bolt hole probs?
-
I just looked it up and Google says it's 85.6 miles East of Dallas, just North of I-20... ![]() LockDoc
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Leon Locksmith, Specializing In Antique Trucks, Automobiles, & Motorcycles (My Dually Pickup Project Thread) http://67-72chevytrucks.com/vboard/s...d.php?t=829820 - |
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#14 | |
Junior Member
Join Date: Mar 2007
Location: Hideaway, TX
Posts: 4,950
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Re: gas tank bolt hole probs?
Quote:
I am going to check into cleaning out the orignal tank. I do not know for sure what kind of shape it is in, but the 15 year old gas smelled like kerosene. Has any one had their original refubished? I would not mind spending the same price as a new one to have the original refurbished. This truck is original and do not want a jacked up fitting tank. You know what I mean!
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71 Suburban 350/700R4 Project Trixie 72 CHEVY,Highlander,SWB,396,T400 |
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#15 |
Senior Member
Join Date: Jan 2003
Location: daytonabeach
Posts: 22,956
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Re: gas tank bolt hole probs?
i've always took my tanks to radiator shops to have them cleaned and have had good results ones that have had heavier rust issues i've sloshed with stuff form por15 if just a light surface rust i've used asis without the sloshing
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71c-10 350/2004r/4:11 lowered3/4 longbed/dead by hurricane MEANING OF DEATH::::: SOMEBODY ELSE GETS YOUR STUFF DONT BELIEVE EVERYTHING YOU THINK TAKE MY ADVISE;I DON'T USE IT ANYWAY |
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