I have had a few cars with sumps welded into the tank bottom for better pickup coverage, and I have sold a few cells when I worked at a speed shop years ago, but never saw a clean installation. Anyone have pics or know someone who has installed a larger (read 15 to 22 gallon) cell, and how they ran the filler hose, or did they just used the bail type cap it came with. I don't want a trunk full of fuel cell, but I would consider cutting into the floor to mount it high enough for good clearance, just can't figure out the filler without giving up all the trunk space...

I got a 22 gal. plastic tank from a '95 Impala SS. I think this will be the best of both worlds. A nice baffled tank w/ an intank pump and it won't be very invasive into the trunk. I will have to do a little cutting, but there are a couple people around here that have already done it.

Just another idea. Any reason for a fuel cell? What car is this going in?

Going in my 65, I want the cell for track use, road race primarily. The Impala tank is baffled? Any pics of it in the car? I will eventually go to EFI, so a return setup is good to start with, and an in-tank pump is one less thing to add myself if I use a std cell.. I know I could order one or build one with trap doors, and all the bungs required but things are getting pricey enough with suspension, and trans upgrades..

This isn't mine. I am getting my tank straps this week and will start this after that, but this is what I plan on doing.

http://memimage.cardomain.net/member_images/4/web/2140000-2140999/2140548_54_full.jpg

http://www.ls1tech.com/forums/attachment.php?attachmentid=58731

http://www.ls1tech.com/forums/attachment.php?attachmentid=58729

Hope that helps.

Another option is to use an in-tank fuel pump module with a "stock" tank. This will get you the return line into the tank and a surge tank to handle slosh induced burbs in the fuel supply.

Check this out:

http://www.rickshotrodshop.com/

Not cheap, but look very nice and can have an in tank Aeromotive pump.

Yeah those tanks are nice, but the Impala/Caprice tank is a ton cheaper, and might weigh less overall. My concerns lie more around the fuel slosh and starvation problems.

Yeah those tanks are nice, but the Impala/Caprice tank is a ton cheaper, and might weigh less overall. My concerns lie more around the fuel slosh and starvation problems.

If the tanks worked in the 9C1 Police Package cars, I'm sure they are more than adequate. The police "proving grounds" and car evaluations programs are pretty darn abusive!

I agree, and that's where I am going with it...the above picture looks like a decent strap setup as well, I don't know what the factory ones look like, but I'll start checking the boneyards, I can always build my own...once the cage is in, and the frame (Elko) is mocked up, I can see if it will still fit inside the rails...

Those are the factory straps for the tank.. I think he just modified the mounting points. I got my tank from someone on LS1tech and just got a set of straps sent to me because they didn't come w/ my tank. Got the straps off an Impala forum, just put up a WTB in the for sale section had a reply in a couple hours. Might want to try this for a tank. I looked at the local yards, but couldn't find any.

I have heard the rails only need to be widened by 1/4" on each side near the rear. I will find out in the next couple weeks when I start working on installing mine.

I have not heard if the Impala tank is baffled? Be a bummer to go through all that work to find that it is nothing more than a plastic tank.

I ask because I did not see very much in the way of baffling in any of the OEM tanks I have looked into. They seem to have gone the direction of the in-tank surge tank and fuel pump module. Note that part of what makes this work is that they bleed off some flow from the pump to create a fuel jet venturi pump to fill the surge tank. Kinda a neat way to get effectively two fuel pumps from one fuel pump.

It might not be baffled, but I think the point was that there shouldn't be any
fuel starvation issues w/ a new style FI tank. I will look into the tank and try to take a pic if I get a chance in the next couple nights.

If the tanks worked in the 9C1 Police Package cars, I'm sure they are more than adequate. The police "proving grounds" and car evaluations programs are pretty darn abusive!

It might not be baffled, but I think the point was that there shouldn't be any fuel starvation issues w/ a new style FI tank. I will look into the tank and try to take a pic if I get a chance in the next couple nights.
I have been trying to research this issue as part of my EFI conversion and to figure out what the OEMs have changed for "new style FI" tanks. I figured there had to be some difference in the overall design to account for the different requirements of FI. I have read a lot of discussion of baffles for FI but when I looked in the OEM tanks I did not see any baffles. Sure some crude little plastic trays with circular end channels in the GM tanks, but nothing like the pictures of custom tanks people have built with bulkheads and such.

One of the tanks I looked inside was under a Ford Taurus. I looked at this one because it was easy to pull out (nothing underneath the tank) and it was very wide and flat (just like the tanks in Chevelles). It had no baffles in it at all, just like a Chevelle tank. All it had was a surge tank fuel pump module. When I looked at the details of how this worked it was just too simple. I forgot all about trying to do baffles or custom tanks and changed my EFI plans to just use a fuel pump module in my original tank.

The return runs into the surge tank, so it's inflow only has to keep up with the actual consumption rate. I figure it would have to be:
a low fuel level plus
a long sweeper plus
a high power level
to potentially cause any problem.

So I am curious if the Impala tank works for people because there is actually something different about the tank or because they used the fuel pump module that came with the tank.

Well I would be using both once I went to FI, I will run a bypass return regulator for the carb in the meantime...If it is baffled, that would be a bonus, but if not, it would still solve a few problems....can you measure the width for me? That would answer most questions I have. I am swapping my frame to an El Camino frame so work will need to be done in this area anyway...but width is key..

The tank is about 39 1/4" wide. It is not baffled inside, but has a plastic tray which the return dumps into like Steve described. This probably isn't as ideal as a cutom baffled tank, but for the $80 I have in it I think it is perfect.

Here are some pics I took of its inside:
Tray from top down.
http://i59.photobucket.com/albums/g303/stealth71/DSC01665.jpg

Filler neck.
http://i59.photobucket.com/albums/g303/stealth71/DSC01683.jpg

Filler neck dump into tray.
http://i59.photobucket.com/albums/g303/stealth71/DSC01666.jpg

Left side:
http://i59.photobucket.com/albums/g303/stealth71/DSC01676.jpg

Right Side:
http://i59.photobucket.com/albums/g303/stealth71/DSC01679.jpg

Hope this helps.

Yes, It does thanks....