LS Swap fuel pump ideas - Page 2 - Chevelle Tech
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post #16 of 30 (permalink) Old Apr 11th, 20, 12:58 AM Thread Starter
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Re: LS Swap fuel pump ideas

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Originally Posted by Steve69SS396 View Post
I run twin Aeromotive A1000 pumps on my car. They can be mounted in tank or external. Mine are external and surprisingly quiet. I'd also suggest running their pump controller to vary the speed of the pump.
A buddy runs one of those on his coyote swapped Fairmont wagon. Never paid attention to when it was running. He likes it alot.

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post #17 of 30 (permalink) Old Apr 11th, 20, 10:50 AM
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Gary
 
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Re: LS Swap fuel pump ideas

There's a company that makes a kit to retrofit a late model in tank Factory style fuel pump in older vehicles I forget who it is. I deal a lot with aeromotive. They make either a tank with the fuel pump ready to bolt in or a retrofit kit for your tank for old Chevelles. I have a big block and quadrajet and I'm going with an in-tank electric fuel pump for the reliability compared with diaphragm engine driven fuel pumps that you can get any more
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post #18 of 30 (permalink) Old Apr 11th, 20, 11:29 PM Thread Starter
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Re: LS Swap fuel pump ideas

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Originally Posted by gnicholson View Post
There's a company that makes a kit to retrofit a late model in tank Factory style fuel pump in older vehicles I forget who it is. I deal a lot with aeromotive. They make either a tank with the fuel pump ready to bolt in or a retrofit kit for your tank for old Chevelles. I have a big block and quadrajet and I'm going with an in-tank electric fuel pump for the reliability compared with diaphragm engine driven fuel pumps that you can get any more
Yep I have a Tanks Inc tank with the efi in tank pump in my 71 malibu...problem with the wagons are the tanks are in the rear driver side fender and more vertical. There is a storage compartment where a coupes tank would be.
I was at a buddies place today, he has a gbody cutlass. He is running two aem 340 pumps inline. They are pretty quiet, was surprised. May just go that route.

'71 Malibu
3580 #, 6.0 LQ4, Summit pistons, Summit 8702 cam, vic jr, AED 750hp, msd 6014, 11.5:1 compression, NOS Cheater plate
T-350, PTC 9" converter, 12 bolt, spool, 3.90 gears, MT ET R 275/60/15

355 [email protected]
125 [email protected]
388 Mud Motor- [email protected]
100 shot [email protected]
'72 Greenbrier Wagon: 454, 700R4, 12 bolt with 3.73
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post #19 of 30 (permalink) Old Apr 12th, 20, 11:16 AM
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Re: LS Swap fuel pump ideas

Quote:
Originally Posted by 67_LS1 View Post
I run an in-line pump and a Corvette bypass filter. I can here the pump when I turn the key on but cannot hear it at all with the engine running. Its pretty darn quiet.
I had the same thing on my 67 convertible with an LS1 and had over 100k mikes without an issue.
Dennis, what brand of in line pump are you using? Inline pump would be less trouble than a in tank pump. If it isn't really noisy. I don't like noisy pumps.

Thanks

Eric
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post #20 of 30 (permalink) Old Apr 12th, 20, 2:01 PM Thread Starter
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Re: LS Swap fuel pump ideas

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Originally Posted by Hotwire View Post
Lol, it's hard to take the sound advice of a guy running a 10:1 429 with half an exhaust!!

I'm running the Tanks Inc tank with the in tank 255 Walbro. My exhaust is loud but you can still hear the pump. It's not overly loud but noticeable if paying attention.

around the 27 second mark: 1964 Chevelle LQ4 swap night idle, T56, Elgin E1839P cam - YouTube

While seeing if anyone has had this same issue I ran across this video, it's pretty well put together and the end result is great.

DeatschWerks DW200 installation - YouTube

Looking up DeatschWerks they do have inline pumps, but I do not have any longevity info on them. I asked the guy that posted the above video how the pump is doing, hoping he replies.

https://www.deatschwerks.com/line-fuel-pumps

My buddy is running Bosch inline pumps in his pickup but keeps burning them up, thinking he's victim to knock off pumps?
Here is my tank / pump noise.

https://youtu.be/e0hYAVUu9n0
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'71 Malibu
3580 #, 6.0 LQ4, Summit pistons, Summit 8702 cam, vic jr, AED 750hp, msd 6014, 11.5:1 compression, NOS Cheater plate
T-350, PTC 9" converter, 12 bolt, spool, 3.90 gears, MT ET R 275/60/15

355 [email protected]
125 [email protected]
388 Mud Motor- [email protected]
100 shot [email protected]
'72 Greenbrier Wagon: 454, 700R4, 12 bolt with 3.73
Geo71 is online now  
post #21 of 30 (permalink) Old Apr 12th, 20, 9:29 PM
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Re: LS Swap fuel pump ideas

I going the same way that Philip and Mike did with an in-tank pump. Doing a 6.0/4L80e swap in my 72. I did install the "sock" prior to installing the pump assembly in my tank. Using Bosch pump 69225.
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post #22 of 30 (permalink) Old Apr 12th, 20, 9:51 PM
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Re: LS Swap fuel pump ideas

Hey George, because the fuel pump or it's pickup needs to be immersed in fuel all the time, I usually recommend something like the Aeromotive Phantom setup that places a foam bucket around the pump in the tank.

Here's what I ended up doing. It's a stock non-return ZL1 pump good to 900hp and a VaporWorx controller powers it. Red circle is a Tanks Inc. tank vent I hosed to a charcoal filter up behind the bumper.
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post #23 of 30 (permalink) Old Apr 13th, 20, 12:11 AM
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Re: LS Swap fuel pump ideas

Quote:
Originally Posted by 1966Chev View Post
Dennis, what brand of in line pump are you using? Inline pump would be less trouble than a in tank pump. If it isn't really noisy. I don't like noisy pumps.

Thanks

Eric
Its a Holly pump. I mounted it with the isolation clamps which is important.

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post #24 of 30 (permalink) Old Apr 13th, 20, 1:26 AM
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Re: LS Swap fuel pump ideas

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Originally Posted by usc2001gc View Post
I going the same way that Philip and Mike did with an in-tank pump.

Lookin' good Eric!
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post #25 of 30 (permalink) Old Apr 13th, 20, 12:11 PM
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Re: LS Swap fuel pump ideas

The shape of the tank makes most of the aftermarket pump systems unusable for a wagon tank. The good thing the shape of the tank works well without the need of sump in the tank.





Here is a stock fuel pick up next to the modified one with a pump. The tube was bent to allow the pump to set vertical in the tank with the strainer on the bottom.

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post #26 of 30 (permalink) Old Apr 14th, 20, 11:49 AM Thread Starter
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Re: LS Swap fuel pump ideas

Quote:
Originally Posted by paul bell View Post
Hey George, because the fuel pump or it's pickup needs to be immersed in fuel all the time, I usually recommend something like the Aeromotive Phantom setup that places a foam bucket around the pump in the tank.

Here's what I ended up doing. It's a stock non-return ZL1 pump good to 900hp and a VaporWorx controller powers it. Red circle is a Tanks Inc. tank vent I hosed to a charcoal filter up behind the bumper.
THe wagon tanks are a lot different than the car tanks.

The in tank pump setup in my Tanks inc pump works ok, but for racing (which is primarily what I do), there has to be over half tank of fuel. If not, it runs out of fuel at the top of first gear till i hit second and the fuel moves back to the front of the tank. Wish i would have known about this before buying the tank...I looked into getting the farm from the phantom setup, but don't think they are selling it separate.

'71 Malibu
3580 #, 6.0 LQ4, Summit pistons, Summit 8702 cam, vic jr, AED 750hp, msd 6014, 11.5:1 compression, NOS Cheater plate
T-350, PTC 9" converter, 12 bolt, spool, 3.90 gears, MT ET R 275/60/15

355 [email protected]
125 [email protected]
388 Mud Motor- [email protected]
100 shot [email protected]
'72 Greenbrier Wagon: 454, 700R4, 12 bolt with 3.73
Geo71 is online now  
post #27 of 30 (permalink) Old Apr 14th, 20, 11:51 AM Thread Starter
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Re: LS Swap fuel pump ideas

Quote:
Originally Posted by Philip View Post
The shape of the tank makes most of the aftermarket pump systems unusable for a wagon tank. The good thing the shape of the tank works well without the need of sump in the tank.





Here is a stock fuel pick up next to the modified one with a pump. The tube was bent to allow the pump to set vertical in the tank with the strainer on the bottom.

Philip,
the modified one, did you buy a replacement sender unit and modify it? Or did you have a spare original unit?

'71 Malibu
3580 #, 6.0 LQ4, Summit pistons, Summit 8702 cam, vic jr, AED 750hp, msd 6014, 11.5:1 compression, NOS Cheater plate
T-350, PTC 9" converter, 12 bolt, spool, 3.90 gears, MT ET R 275/60/15

355 [email protected]
125 [email protected]
388 Mud Motor- [email protected]
100 shot [email protected]
'72 Greenbrier Wagon: 454, 700R4, 12 bolt with 3.73
Geo71 is online now  
post #28 of 30 (permalink) Old Apr 15th, 20, 12:13 AM
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Re: LS Swap fuel pump ideas

In process of doing the swap on my Cutlass, bought a Aeromotive Stealth II tank for it with the 340 pump.

I think it's going to be much better than Tanks Inc. setup that I have on Chevelle, and it was couple of $$ cheaper. It came assembled and ready to be dropped in. 6an supply and return.
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post #29 of 30 (permalink) Old Apr 15th, 20, 7:43 AM
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Re: LS Swap fuel pump ideas

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Originally Posted by Geo71 View Post
Philip,
the modified one, did you buy a replacement sender unit and modify it? Or did you have a spare original unit?
I have a spare tank and sender. AFAIK wagon tanks and sending units are not reproduced.

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post #30 of 30 (permalink) Old May 14th, 20, 10:26 PM
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I did something like Philip using the Delco EP381 pump. The goal was to use as many parts store available pieces as I could. I haven’t road tested it yet, and it’ll probably be any other month or so before I do.

That being said, I don’t love having a fuel tank outside the rails so I am seriously considering using an El Camino tank from a tanks inc or equivalent. It will mean cutting out the storage area under the floor, but I’m OK with that.

I should have some pictures in my signature of what I did, but like I said, it’s a lot like what Philip did.

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