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-   -   LMC rear gas tank install (https://67-72chevytrucks.com/vboard/showthread.php?t=353749)

jess66chevy 07-18-2009 09:32 PM

LMC rear gas tank install
 
1 Attachment(s)
Has anyone done a LMC rear mounted gas tank? I bought it as a kit but there was no instructions. This is how it came out when I did it. Of course, there had to be alot of modification.
Attachment 479930

70 Suburban 07-18-2009 10:20 PM

Re: LMC rear gas tank install
 
would be nice if you did a install tech kinda thing...

Apache63 07-19-2009 07:13 AM

Re: LMC rear gas tank install
 
Hereīs a few picīs of my LMC Gas tank kit!

thatīs my way to install the tank!!

http://up.picr.de/2597830.jpg

http://up.picr.de/2597831.jpg

http://up.picr.de/2597832.jpg

http://up.picr.de/2597833.jpg

http://up.picr.de/2597834.jpg

http://up.picr.de/2597835.jpg

http://up.picr.de/2597836.jpg

http://up.picr.de/2597837.jpg

http://up.picr.de/2597838.jpg

http://up.picr.de/2597839.jpg


Pat

70 Suburban 07-19-2009 10:08 AM

Re: LMC rear gas tank install
 
nice install. what did you have to do to get it in there

joe231 07-19-2009 11:16 AM

Re: LMC rear gas tank install
 
that looks nice fellas!!!!

Apache63 07-19-2009 12:20 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by 70 Suburban (Post 3419979)
nice install. what did you have to do to get it in there

thatīs really simple , put the tank under the frame , put the metal straps in place and bolt on the straps on the left side of the frame , on the right side of the frame drill two holes in the underside of the frame , drill upside two larger holes in the frame (see pic #2,it shows the passenger side with the two larger holes), put the bolt from the straps thru the frame on the right side and put the fasteners thru the frame on the bolts ! DONE!!!!!!

i hope you understand what i want to say!


Pat

apachedaddy 07-19-2009 07:13 PM

Re: LMC rear gas tank install
 
apache63 the tank looks great but your going to run into issues when you go to install the bed. The first cross sill in front of the rear will hit the tank and fill neck without a ton of mods. jessy66 in the first pic has the right idea with the flush top mount. Hope it all works out for you.

creep 07-19-2009 07:44 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by jess66chevy (Post 3419289)
Has anyone done a LMC rear mounted gas tank? I bought it as a kit but there was no instructions. This is how it came out when I did it. Of course, there had to be alot of modification.
Attachment 479930

I don't know if that notch is a good idea. Seems like it would make the frame really weak.

Captainfab 07-19-2009 10:15 PM

Re: LMC rear gas tank install
 
IMO the way Apache63 did his is the best way to install them regardless of bed crossmember interference. That can be dealt with. I would rather have the tank as high as possible. Just my .02

jess66chevy 07-19-2009 10:20 PM

Re: LMC rear gas tank install
 
I had to cut the frame a little bit for the gas filler neck. The bed went on with no problems with the gas tank flush mounted.

joe231 07-19-2009 11:45 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by Captainfab (Post 3420988)
IMO the way Apache63 did his is the best way to install them regardless of bed crossmember interference. That can be dealt with. I would rather have the tank as high as possible. Just my .02

:agree:

Chevy Fleetside 07-20-2009 10:22 AM

Re: LMC rear gas tank install
 
Mine is done like Apache63. Some pictures are here. http://s49.photobucket.com/albums/f2...ucks/?start=40

ol Curt 07-20-2009 10:49 AM

Re: LMC rear gas tank install
 
"thatīs really simple , put the tank under the frame , put the metal straps in place and bolt on the straps on the left side of the frame , on the right side of the frame drill two holes in the underside of the frame , drill upside two larger holes in the frame (see pic #2,it shows the passenger side with the two larger holes), put the bolt from the straps thru the frame on the right side and put the fasteners thru the frame on the bolts ! DONE!!!!!!"

Huh?:confused::confused::confused:

I think I need to see a close up of the bolts/holes!

Fred T 07-20-2009 11:01 AM

Re: LMC rear gas tank install
 
1 Attachment(s)
You committed a major structural no-no with the way you cut the frame. I was looking at that last night, trying to come up with a solution that was feasible.

My first choice would be with a piece of round tube, say 4 or 6" diameter, welded to the inside of the frame. Something like the attached sketch.

apachedaddy 07-20-2009 12:15 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by Captainfab (Post 3420988)
IMO the way Apache63 did his is the best way to install them regardless of bed crossmember interference. That can be dealt with. I would rather have the tank as high as possible. Just my .02

True statment about the hight, but if it was me i would rotate the tank 180 so the filler neck is not over the mounting hole for the cross sill. Then the only mod would be to notch the center part of the sill.

ol Curt 07-20-2009 12:29 PM

Re: LMC rear gas tank install
 
Wouldn't that make it exiting very near the wheel well on the passenger side?

joe231 07-20-2009 12:46 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by ol Curt (Post 3421578)
"thatīs really simple , put the tank under the frame , put the metal straps in place and bolt on the straps on the left side of the frame , on the right side of the frame drill two holes in the underside of the frame , drill upside two larger holes in the frame (see pic #2,it shows the passenger side with the two larger holes), put the bolt from the straps thru the frame on the right side and put the fasteners thru the frame on the bolts ! DONE!!!!!!"

Huh?:confused::confused::confused:

I think I need to see a close up of the bolts/holes!

I believe what Pat is saying, correct me if I'm wrong Pat, on the first side you have access to tighten the strap bolts but once the tank is in the way he didn't have the access he needed to tighten the bolts so he drilled two larger holes in the top of the frame rail so he could get a socket and extension in there to tighten the bolts on the lower side of the frame that holds the straps in place.......follow?

Apache63 07-20-2009 12:59 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by joe231 (Post 3421758)
I believe what Pat is saying, correct me if I'm wrong Pat, on the first side you have access to tighten the strap bolts but once the tank is in the way he didn't have the access he needed to tighten the bolts so he drilled two larger holes in the top of the frame rail so he could get a socket and extension in there to tighten the bolts on the lower side of the frame that holds the straps in place.......follow?

Yes , Joe youīre right !!
iīll take this week some picīs from the frame and tank!
the bed is already mounted and i fits perfekt !
but one cross sill i cut it into place to fit the gas filler neck!
picīs can say more then 1000 of words!!


Pat

joe231 07-20-2009 01:05 PM

Re: LMC rear gas tank install
 
cool!
can't wait :D

Apache63 07-20-2009 01:09 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by joe231 (Post 3421797)
cool!
can't wait :D

iīm fast like a bullet!!!!

found some picīs on my PC , i hope it helps!!!


http://up.picr.de/2607183.jpg

http://up.picr.de/2607186.jpg

http://up.picr.de/2607188.jpg

http://up.picr.de/2607189.jpg

http://up.picr.de/2607185.jpg


Pat

joe231 07-20-2009 01:15 PM

Re: LMC rear gas tank install
 
:lol:

Pat, have you been holding out on us, or did I miss that you have a truck too?????

Apache63 07-20-2009 01:30 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by joe231 (Post 3421814)
:lol:

Pat, have you been holding out on us, or did I miss that you have a truck too?????

here take a look on my 63ī Longbed:metal:

http://67-72chevytrucks.com/vboard/s...107362&page=18

Pat

ol Curt 07-20-2009 01:39 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by joe231 (Post 3421758)
I believe what Pat is saying, correct me if I'm wrong Pat, on the first side you have access to tighten the strap bolts but once the tank is in the way he didn't have the access he needed to tighten the bolts so he drilled two larger holes in the top of the frame rail so he could get a socket and extension in there to tighten the bolts on the lower side of the frame that holds the straps in place.......follow?

Ok, I get it now. If you knew or had marked the spots for the bolts couldn't you just place the bolts in the hole with the threads down and weld the head of the bolt to the frame without having to put more holes in the top of the frame?

joe231 07-20-2009 01:52 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by Apache63 (Post 3421832)
here take a look on my 63ī Longbed:metal:

http://67-72chevytrucks.com/vboard/s...107362&page=18

i remember now!!
nice truck!

Pat

Quote:

Originally Posted by ol Curt (Post 3421844)
Ok, I get it now. If you knew or had marked the spots for the bolts couldn't you just place the bolts in the hole with the threads down and weld the head of the bolt to the frame without having to put more holes in the top of the frame?

yeah, or even weld nuts on top of the lower lip of the frame.

Apache63 07-20-2009 01:54 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by ol Curt (Post 3421844)
Ok, I get it now. If you knew or had marked the spots for the bolts couldn't you just place the bolts in the hole with the threads down and weld the head of the bolt to the frame without having to put more holes in the top of the frame?

i think it is possible to weld the boltīs to the frame !
but i donīt know if it is the best way !
so i only can say try try try which way is the best way for you!


Pat

Apache63 07-20-2009 01:56 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by joe231 (Post 3421854)
yeah, or even weld nuts on top of the lower lip of the frame.

thatīs another possibility!!!!!!!!!:metal:


Pat

ol Curt 07-20-2009 02:34 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by joe231 (Post 3421854)
yeah, or even weld nuts on top of the lower lip of the frame.

Or use a toggle bolt!:lol::lol::metal:

joe231 07-20-2009 02:40 PM

Re: LMC rear gas tank install
 
I'll pretend I didn't read that.......

:haha:

jess66chevy 07-22-2009 01:01 AM

Re: LMC rear gas tank install
 
Boy, i sure wish there was instructions for this kit!!! LOL

ol Curt 07-22-2009 06:53 AM

Re: LMC rear gas tank install
 
I think Pat has one of the cleanest, simplest installs I have seen. I think there is a lot to be learned from him when installing one.

jess66chevy 07-26-2009 09:51 PM

Re: LMC rear gas tank install
 
2 Attachment(s)
This is how my final product turned out. I used a newer Siveraldo gas cap cover and then open it to put gas.

NtheFamily 07-28-2009 09:13 PM

Re: LMC rear gas tank install
 
Is this gas tank from LMC specifically for the 60's truck, or do I have to ask for a tank that will fit a 65 truck ?

I have been wanting to install a tank so I can get it out of the cab and have read several threads of people using Jeep tanks or Blazer tanks but wasn't for sure what year.

Great job you two!!

LinkbeltOE 07-28-2009 10:09 PM

Re: LMC rear gas tank install
 
I bought the same tank from LMC with no instructions and called them. They said there is no instructions because it is a custom application on our trucks. YOU have to find a way to do it. I cut 1" tubing as spacers to lower the tank away from the sill and bolted it to my frame and then also used the straps from front to rear using "J" bolts through the rear cross member. I think I like the left to right better after seeing those pics.

jess66chevy 07-29-2009 12:35 AM

Re: LMC rear gas tank install
 
Guys, check this out! There is a link with gas tank installs with pics! It will help you Nthefamily. There is ALOT of ideas for our trucks!

http://persh.org/Pickup/IdeaPage.htm

Chevy Fleetside 07-29-2009 05:23 PM

Re: LMC rear gas tank install
 
5 Attachment(s)
I got my tank from www.truckandcarshop.com at a goodguys show. I paid $150 cash for it. You usually get things cheaper there. Also, they were selling for $160 but all I had left was $150 so I got it for that. I guess you can do that with them. They sell them in their catalogs for $195. I still have to get some rubber insulators for the straps where it holds on to the tank. I just wanted to get it in. I got the fuel filler hose from a friend of mine for nothing. That saved me about $50 for that little piece. Here are some pictures for your enjoyment.

SSWfleetside 07-29-2009 09:26 PM

Re: LMC rear gas tank install
 
Thanks for posting photos and thanks for the pricing info Chevy fleetside!.
I was planning to head to the truck show in Carlisle to get one of these tank kits. Just what I save in the oversize shipping will pay for the gas there and back.

I thinking about a '49 to '52 chevy car tank instead, not decided. The blazer tank install seems more common, easier to buy and cheaper, which is good. I found the '49 to '52 tank idea on the Stovebolt website.

Chevy Fleetside 07-29-2009 09:51 PM

Re: LMC rear gas tank install
 
I bought this tank about 3 years ago, so I am sure the price has changed.

NtheFamily 07-30-2009 08:58 AM

Re: LMC rear gas tank install
 
Hey SSWfleetside, you mentioned the blazer tank seeming more common. What year of blazer will work and are you talking about a fullsize blazer or mid?

Chevy Fleetside 07-30-2009 09:46 AM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by NtheFamily (Post 3438047)
Hey SSWfleetside, you mentioned the blazer tank seeming more common. What year of blazer will work and are you talking about a fullsize blazer or mid?

The pics I posted are of the blazer tank. It is the same tank that is used in the 67-72 blazers. They are sold as a kit and you can get a 0-30 or 0-90 ohm sending unit.

NtheFamily 07-30-2009 09:50 PM

Re: LMC rear gas tank install
 
Quote:

Originally Posted by Chevy Fleetside (Post 3438115)
The pics I posted are of the blazer tank. It is the same tank that is used in the 67-72 blazers. They are sold as a kit and you can get a 0-30 or 0-90 ohm sending unit.

Thanks!!


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