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Gas Tank Sump Clearance

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Old 08-01-2006, 12:42 PM
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Gas Tank Sump Clearance

I've been meaning to get my tank sumped for a while now but haven't gotten around to it. Anyway I've been wanting a sump with bigger than -8an fittings and neither summit nore jegs carry them, actually I think one of them does but it looks huge and I believe its a circle track sump by aeromotive. Anyway, I found one by wild race cars

WILD RIDES RACE CARS (bottom of that page)

here's a picture


I called and asked him if he knew of any clearance issues with the upper panhard bar on these cars with the sump and he told me he does not know, they mostly do mustang work.

However he did tell me it was 3" tall at the deepest location for 1/2" or 3/4" (which i planned on getting).

So i wanted to know if anybody here has purchased this sump or even if they did not I would like to know what you guys think? Would it fit fine n dandy or would there most likely be contact with the upper bar? Thanks in advance guys.

-Rex
Old 08-01-2006, 04:33 PM
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Car: 1989 TA
Engine: 406
Transmission: 400
Axle/Gears: 9 inch
i am doing one now i will let u know what i run into
Old 08-01-2006, 06:48 PM
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doesnt happen to be from teh same company does it?
Old 08-01-2006, 10:36 PM
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Car: 87 Z-28
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Here is a picture of mine. It is not as large as the one you are looking at, but it may help. The only clearance issue was with the muffler, which I got rid of.
Attached Thumbnails Gas Tank Sump Clearance-tank.jpg  

Last edited by Blown87; 08-23-2006 at 08:50 AM. Reason: Add photo
Old 08-01-2006, 11:16 PM
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Originally Posted by Blown87
Here is a picture of mine. It is not as large as the one you are looking at, but it may help. The only clearance issue was with the muffler, which I got rid of.

theres no picture
Old 08-08-2006, 05:34 PM
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Car: '84 Z28
Engine: 406 sb
Transmission: th400
Axle/Gears: Moser M9/5:14 ratio/Billet Locker
I made a mock-up sump using the box from a 12 pack of soda pop. Once I had exactly what I wanted, I took the template to a furnace and air duct fabricator. I picked it up the next day and he only charged me 12 dollars! I had to install the pipe fittings myself though. I used a 1/2" female pipe coupler and cut it in half, but you could easily use a 3/4" coupler.
Old 08-10-2006, 06:33 PM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
I sumped my stock tank with a competition engineering sump (summit) and just recently put in a Moser 9" rear, and low and behold the sump and 9" don't play well together.
Old 08-10-2006, 06:48 PM
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Originally Posted by 1 DwnCam
I sumped my stock tank with a competition engineering sump (summit) and just recently put in a Moser 9" rear, and low and behold the sump and 9" don't play well together.



what contacts the sump?
Old 08-10-2006, 10:43 PM
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Car: 1989 TA
Engine: 406
Transmission: 400
Axle/Gears: 9 inch
why is that dosent the rear sit in front of the tank do u have a pic it shure would help
Old 08-11-2006, 01:50 AM
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Engine: what engine, LT1
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Axle/Gears: They spin (most of the time)
you dont really need the sump, unless you really want one. A 3rd gen gas tank already sits back at an angle. All you need is to weld to fitting in the bottom of the tank like i did..
Old 08-11-2006, 09:11 AM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
I'll see what I can do for pictures over the weekend.
Old 08-11-2006, 11:42 AM
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Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
i don't see how welding in a sump in the back would ever interfere with a 9" rear end. I have a 9 bolt on my camaro and the back of the rear end is nowhere near the sump, the front of the gas tank is much much closer to the rear end. All things being equal the back of a 9" should be at most 2 inches further back than a 10/9 bolt rear end and would still have plenty of clearance. What do you need -12 AN lines for exactly?
Old 08-11-2006, 01:17 PM
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Originally Posted by xpndbl3
i don't see how welding in a sump in the back would ever interfere with a 9" rear end. I have a 9 bolt on my camaro and the back of the rear end is nowhere near the sump, the front of the gas tank is much much closer to the rear end. All things being equal the back of a 9" should be at most 2 inches further back than a 10/9 bolt rear end and would still have plenty of clearance. What do you need -12 AN lines for exactly?
I don't, however the fuel system i will be using does use -10an lines so those 1/2" holes on the other sumps would be a restriction. You can always go smaller but you can never go bigger (well you can but then itll be restrictive) , which is the reason for the -12 AN sump.
Old 08-11-2006, 09:59 PM
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Car: 1984 Z28
Engine: SLOW carbed ls
Transmission: TH400 with brake, 8" PTC converter
Axle/Gears: moser 9" 4.11
1/2" fuel line is supposed to be good to 1000 hp on a carb'd car. When running nitrous I usually put a dedicated -6 fuel cell in the front of the car with 2 gallons of gas in it for the nitrous solenoids.
Old 08-11-2006, 10:27 PM
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Originally Posted by xpndbl3
1/2" fuel line is supposed to be good to 1000 hp on a carb'd car. When running nitrous I usually put a dedicated -6 fuel cell in the front of the car with 2 gallons of gas in it for the nitrous solenoids.
look sump it once, sump it right, sure -8an line will be plenty most likely, but what happens in the future i don't know. Except that if i need more than -8an that ill need to re sump it. If i go bigger to start off with theres no problem with me getting smaller fittings
Old 08-13-2006, 04:29 PM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
Here are some pics of the 9" and the clearance issue's I'm having. It's not really the sump per-say just the the whole rearend to body clearance, and the gas tank itself.

There are two pics of the gas tank to 9" clearance, and two pics of torque arm mount to body clearance issues, and one pic that show how much clearance I have on the rear snubber from the car being on jackstands.
Attached Thumbnails Gas Tank Sump Clearance-img_0136.jpg   Gas Tank Sump Clearance-img_0137.jpg   Gas Tank Sump Clearance-img_0141.jpg  
Old 08-13-2006, 04:31 PM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
Here are a few more.
Attached Thumbnails Gas Tank Sump Clearance-img_0139.jpg   Gas Tank Sump Clearance-img_0140.jpg   Gas Tank Sump Clearance-img_0142.jpg  
Old 08-13-2006, 10:31 PM
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question, is it lowered? what kinda springs are those?
Old 08-13-2006, 11:15 PM
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Car: 1989 TA
Engine: 406
Transmission: 400
Axle/Gears: 9 inch
i have a 9in with no problems at all
Old 08-14-2006, 09:23 AM
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Car: 92 Z28 Camaro
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Originally Posted by JesasaurusRex
question, is it lowered? what kinda springs are those?
Yes. Suspension Techniques.
Old 08-14-2006, 01:49 PM
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im looking at the ends by the bump stops and it looks like 1" away, did you cut some coils as well?
Old 08-14-2006, 02:00 PM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
Gosh it's been 12 years. I may have cut some.
Old 08-14-2006, 02:30 PM
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id be willing to bet thats your problem

onto another note, what rear discs are you using and does a 15" wheel fit over them?
Old 08-14-2006, 03:27 PM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
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Axle/Gears: Moser 9" 4.11 Gears
Originally Posted by JesasaurusRex
id be willing to bet thats your problem

onto another note, what rear discs are you using and does a 15" wheel fit over them?
If that's my problem, Then I'm in a world of hurt, because on my list of things to do is an airbag steup.

As far as the rear disk is concerend it's the Baer Serious Street setup. 12" rear rotor. I'm not sure if a 15" will fit. I'm Running 18's.
Old 08-14-2006, 05:54 PM
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Originally Posted by 1 DwnCam
If that's my problem, Then I'm in a world of hurt, because on my list of things to do is an airbag steup.

As far as the rear disk is concerend it's the Baer Serious Street setup. 12" rear rotor. I'm not sure if a 15" will fit. I'm Running 18's.
Sorry to hear, donno how close you are to the bay area but i have some stockers still that are yours for the taking, 6 pack of coors lights and we can call it even. Course thats only if u wanna see what stock ride height does for ya.

As for the baer 12", i doubt they do, i have LT1 brakes on the rear and i had to grind the calipers a good lil amount to get the 15" draglites to clear so im almost possitive those wont too bad, they look very nice.
Old 08-14-2006, 06:29 PM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
There is no clearance issue a plasma cutter won't fix.
Old 08-22-2006, 10:56 PM
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1 DwnCam...From your picture it looks like you are running a Jegster torque arm. From my experience, that is probably the best piece out there for drag racing, but you are not going to get away from interference issues even when the car sits at factory ride height.
Old 08-23-2006, 09:51 AM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
Actually it's a Spohn Adjuustable Torque arm, but I have come to the realization that there are going to be clearance issues with beefier suspension pieces and a lowered vehicle.
Old 08-23-2006, 09:05 PM
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just to chime in there are three baer claw setups, the first comes with an 11.23 (about) inch rotor that fits 15" wheels and larger;
then there is the 12" rotor which fits 16" and larger
and finally the 13" rotor that fits 17" and larger.

straight from baer.
Old 08-23-2006, 09:50 PM
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Originally Posted by ckjoshz28
just to chime in there are three baer claw setups, the first comes with an 11.23 (about) inch rotor that fits 15" wheels and larger;
then there is the 12" rotor which fits 16" and larger
and finally the 13" rotor that fits 17" and larger.

straight from baer.
Thanks for the heads up
Old 08-24-2006, 07:37 AM
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no problem,

and bt283 and anyone else that just welded bungs onto your gas tank, you don't have a problem with corners and running pumps dry on half tanks of gas and less?

i know sumps keep a reserve by the lines in the case of fuel slosh.
Old 08-29-2006, 12:42 PM
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Car: '91 Camaro RS
Engine: F1R Procharged 383
Transmission: Tremec 600
Axle/Gears: moser 12 bolt, 4.11's 33 spline axl
check this thread below for pics of mine.... its a modified comp engineering sump, to fit the stock tank, and its slightly offset to the pass. side for clearance with the panhard brace.

I have dual exhaust, and the mufflers arent in the stock location so nothing is really even near it, it worked out beautifully.

https://www.thirdgen.org/forums/powe...3-project.html

Last edited by 383backinblack; 08-29-2006 at 12:46 PM.
Old 08-29-2006, 04:30 PM
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Originally Posted by 383backinblack
check this thread below for pics of mine.... its a modified comp engineering sump, to fit the stock tank, and its slightly offset to the pass. side for clearance with the panhard brace.

I have dual exhaust, and the mufflers arent in the stock location so nothing is really even near it, it worked out beautifully.

https://www.thirdgen.org/forums/powe...3-project.html
very nice, for the return line i see you have that fitting sticking on the top part of the tank. However you also cut a square up to (probably to get to the fuel pump a while back). My question is, since I never cut mine, putting a fitting uptop like that can you still close the top up or do you just ride around like that?

Looks very nice however
Old 08-29-2006, 08:35 PM
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Car: '91 Camaro RS
Engine: F1R Procharged 383
Transmission: Tremec 600
Axle/Gears: moser 12 bolt, 4.11's 33 spline axl
thanks man......I made a stainless steel cover for that hole when i first made it way back........I had to dimple it to make clearance for the -10 fitting and hose, as it sticks up quite a bit, but yes it is sealed.
Old 08-29-2006, 11:26 PM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
383backinblack- our cars are very similar in regards to motor, drivetrain, fuel system. I'm thinkin that because of going to the 9" route and having it lowered that has caused me great greif. By the way your car is pretty Badass!
Old 08-30-2006, 06:12 AM
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Car: '91 Camaro RS
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Originally Posted by 1 DwnCam
383backinblack- our cars are very similar in regards to motor, drivetrain, fuel system. I'm thinkin that because of going to the 9" route and having it lowered that has caused me great greif. By the way your car is pretty Badass!


ya my car has drag launch springs and koni adjustable shocks and struts.....people bitch at me to lower it all the time, but it has little enough grond clearance as it is, and it suspension works the way its supposed to, so its not gonna happen lol.

which blower are you using? and what do you have for heads etc? I really can't wait to get this thing on the dyno, yours made 780hp at 13psi? is that at the wheels? im at 22psi now, and im not even leaning on the blower yet it will make 30 with a bigger crank cog
Old 08-30-2006, 09:39 AM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
Originally Posted by 383backinblack
ya my car has drag launch springs and koni adjustable shocks and struts.....people bitch at me to lower it all the time, but it has little enough grond clearance as it is, and it suspension works the way its supposed to, so its not gonna happen lol.

which blower are you using? and what do you have for heads etc? I really can't wait to get this thing on the dyno, yours made 780hp at 13psi? is that at the wheels? im at 22psi now, and im not even leaning on the blower yet it will make 30 with a bigger crank cog
I wish it was at the wheels. Check out my Cardomain site. It'll show you my setup. The heads are AFR 210's and the huffer is a D1-SC.
Old 08-30-2006, 02:08 PM
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Originally Posted by 1 DwnCam
I wish it was at the wheels. Check out my Cardomain site. It'll show you my setup. The heads are AFR 210's and the huffer is a D1-SC.
i tried twice, it crashed my browser lol......

thats cool though, they're the same heads i have if they're the cnc ported comp. heads.

what do you have for a cam.....mines still a hyd roller, im probably gonna go to a solid though so i can rev it past 7,000. its 252/262 at .050 and .610 lift on a 114lsa
Old 08-30-2006, 06:49 PM
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Car: 92 Z28 Camaro
Engine: Procharged 406.
Transmission: T-56
Axle/Gears: Moser 9" 4.11 Gears
Sorry to hear that.
The cam is a Solid Roller Lunati.
250/250 dur 631/639 lift W/114 center.

I still have a million and one things to do before I can fire her up again. Looking forward to that day.
Old 02-12-2007, 01:12 PM
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Originally Posted by BT283
you dont really need the sump, unless you really want one. A 3rd gen gas tank already sits back at an angle. All you need is to weld to fitting in the bottom of the tank like i did..
is this appropriate? xpndbl3 ?
Old 02-12-2007, 01:59 PM
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Axle/Gears: moser 9" 4.11
that's fine if you want, I spent $110 for my sump to be welded on. $60 for labor and $50 for the sump, on an almost empty fuel tank I don't have issues going around turns like this setup might cause due to a lack of a "sump" to hold some fuel while turning, in the setup on that picture it could all roll to one side and cause starvation issues.
Old 02-12-2007, 04:43 PM
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i had mine sumped also and it has no problems with the 9 inch
Old 02-12-2007, 05:15 PM
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ok cool do you have any issues using a stock style muffler with a sump?
Old 02-12-2007, 08:17 PM
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Car: 92 Z28 Camaro
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Axle/Gears: Moser 9" 4.11 Gears
I had my suspension set up while I had my cage installed. My tank and 9" play well now. While I was having problems with my tank I was and still am concidering Nasty Nates Custom aluminum sumped tank. If you look in the picture the tank is notched in the front for the 9" housing. I spoke with nate and he says it's a direct bolt in with no problems.


http://www.nastyperformance.com/93-97F-Body.html
Old 02-12-2007, 08:46 PM
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Axle/Gears: also under rated
is that nasty fuel systems i.e http://www.nastyperformance.com/FuelSystem.html I just picked one of these up, looks nice but it`s pretty heavy compared to stock, it is 24#`s, I know the stock sheetmetal can`t be that heavy
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