Witch lift pump

5704 Views 67 Replies 28 Participants Last post by SmokeShow, Feb 8, 2007

Earl87gta

Discussion Starter · Jan 31, 2007

I have been reading all night on lift pumps and Im wondering witch one to get. I have jioned the wont start with out priming club and Im looking for the best way to fix the trouble.
TTS pump is around 500 and Kennedy is 800. besides price witch set up is the easyest to install and why should I pay 800 and not 500?
thanks Earl

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21 - 40 of 68 Posts

tysmith

· #21 · Jan 31, 2007

Seeing is believing. John put together a piece of art work that unfortunately goes un-noticed under the truck.

I considered making my own $50 lift pump and filter kit, but decided that John did the homework and got this kit right on the money.

From the stainless bracket and billet pickup,to the anodized heads - both pumps and filter - to the simplicity of pushing on a rubber hose, it doesn't get much better.

I could care if you could hook up to the factory plastic connections. I think it's better to have one less spot for a leak.

To be honest, I don't see any performance gains, but the pump/filter combo is still sitting on my bench...

:

Ty

tysmith

· #22 · Jan 31, 2007

Diesel Tech;1563234; said:
adding a lift pump came right out of the Bosch fuel system design book. They show the common rail design with a lift pump as part of the basic design GM just felt it was unnecessary and saved a few bucks by not having one.

That's enough reason right there to put them on any truck, not just one running high HP...

WildChild

· #23 · Jan 31, 2007

I have been reading all night on lift pumps and Im wondering witch one to get. I have jioned the wont start with out priming club and Im looking for the best way to fix the trouble.
TTS pump is around 500 and Kennedy is 800. besides price witch set up is the easyest to install and why should I pay 800 and not 500?
thanks Earl

Just as somone else stated....... you have a problem and its not lack of a LIFT PUMP. If your truck wont start without priming I bet you either have a bad fuel press reg , cracked bleed screw on filter housing, or an injector problem. Ive seen all these recently cause your symptoms better check this out first. Once you have everything working as it should then add the pumps

ratlover

· #24 · Jan 31, 2007

tysmith;1563236; said:
I could care if you could hook up to the factory plastic connections. I think it's better to have one less spot for a leak.

I'm lazy and like the factory quick connects so I dont have to drop my tank

Diesel Tech

· #25 · Jan 31, 2007

tysmith;1563236; said:
I could care if you could hook up to the factory plastic connections. I think it's better to have one less spot for a leak.Ty

If the factory steel tube was not smooth I would agree with you but since it is we use the proper locking and sealing method. When you place the rubber hose over the tube and clamp it they can come off and if you stretch the hose hard enough to push it up over the factory lock area you have stretched the hose well beyond its limits and it will with time crack and break. That's the same reason our fuel pickup comes with the factory flexable tubing so the pickup can travel up and down within the tank as it was designed to do. We just made it all larger but kept all the functions.

Kennedy

· #26 · Jan 31, 2007

I have dyno tested 470RWHP (I believe that is where we were at the time) in the presence of Forced Induction (Jason) and Victory Red (Rick) both with and without my lift pump setup on. Same truck, same day, same dyno, same power. It is my belief that adding a good lift supply simply eliminates air in the system, reduces strain on the OE pump, and makes the production of HP more consistent.

Hose gets stretched to go over any hose barb and I have yet to see a good high quality hose fail due to being stretched over either the OE line bump rings or my Billet Pickup.

redws6rocket

· #27 · Jan 31, 2007

i have the billet pick up and dual lift pump kit from tts, great people to deal with and great product. easy install and love the pumps, very quiet and work as designed!!

tysmith

· #28 · Jan 31, 2007

Diesel Tech;1563331; said:
When you place the rubber hose over the tube and clamp it they can come off and if you stretch the hose hard enough to push it up over the factory lock area you have stretched the hose well beyond its limits and it will with time crack and break.

With the quality fuel line supplied with the kit, it's not an issue. I have no reservations about it, as I have several pieces of equipment and several trucks, for that matter, with fuel lines set up in similar fashion, pushed over the factory steel line, some with the bump, some without, some on barbs. Fact of the matter is, it's not an issue.

Mike L.

· #29 · Feb 1, 2007

I use US Coastguard approved fuel line which is twice as thick and you will not have any problems with stretching at all.

tysmith

· #30 · Feb 1, 2007

Mike L.;1563509; said:
I use US Coastguard approved fuel line which is twice as thick and you will not have any problems with stretching at all.

:exactly:

I've never had my hose pull off, crack, or break.

sdaver

· #31 · Feb 1, 2007

ratlover;1563274; said:
I'm lazy and like the factory quick connects so I dont have to drop my tank

you still have to drop the tank to install the pickup lazy bones

ratlover

· #32 · Feb 1, 2007

Never installed a pick up on my 03

I will put lift pumps on my truck, look at my comand vrs actual.....if I have a fuel issue then I will add a pick up.

I duno if they dyno shows the full story. My truck didnt throw a fuel code on the dyno.....but on the street.....I think the fuel trying to fight the acelleration and such......I know my old truck the lift pumps mad a HUGE difference SOTP.......and I am hoping and assuming that my current truck will respond the same way. JMO

mtbullock

· #33 · Feb 1, 2007

Diesel Tech;1563234; said:
Glad to be of service Dave.

Lift pumps will not gain any Hp if you are adding them to a stock truck and a fuel pickup will not add any Hp on a stock truck. The only reason you would add lift pumps would be for a increased power when using a higher Hp program. They will not hurt anything and may also add some life to the CP3 and injectors by keeping them full of fuel but that has not yet been proven. What I can say and have always said is adding a lift pump came right out of the Bosch fuel system design book. They show the common rail design with a lift pump as part of the basic design GM just felt it was unnecessary and saved a few bucks by not having one.

http://www.dieselplace.com/forum/showthread.php?t=128006

mxrider801

· #34 · Feb 1, 2007

So from what i've been reading the TTS and Kennedy kit use the same pumps and the difference is in the electronics and hoses? Also the Kennedy pump kits run like 800 and the tts is 485, dual pump kits. Is the kennedy kit worth the extra $300?

tysmith

· #35 · Feb 1, 2007

The extra 300 gets you a filter, as well as the billet pickup. It is a COMPLETE kit. JK also sells pump kits without filter if you already have filtration...

turBeau

· #36 · Feb 1, 2007

2

Wouldn't this pump work on our trucks?

GM PART # 25115899
CATEGORY: Fuel Pump
PACK QTY: 1
CORE CHARGE: $0.00
GM LIST: $130.62
OUR PRICE: $67.92

DESCRIPTION: Electric Fuel Pump, High Output heavy duty 12 volt electric rotary pump. Flows 72gph at 6-9 psi.

See less See more

Kennedy

· #37 · Feb 1, 2007

turBeau;1565404; said:
Wouldn't this pump work on our trucks?

(Image has been resized. Click it for full size.)
GM PART # 25115899
CATEGORY: Fuel Pump
PACK QTY: 1
CORE CHARGE: $0.00
GM LIST: $130.62
OUR PRICE: $67.92

[URL="http://www.gmpartsdirect.com/images/add_to_cart_btn.gif"]
(Image has been resized. Click it for full size.)
[/URL]DESCRIPTION: Electric Fuel Pump, High Output heavy duty 12 volt electric rotary pump. Flows 72gph at 6-9 psi.

It won't last and when it quits, you'll know it because you are walking home or plumbing around it.

Diesel Tech

· #38 · Feb 1, 2007

Our kits are complete with nothing needed other than tools to install them. We also use all the factory sensors so there is no extra sensors to install. If your looking to do the pickup in the tank we are the originator of the Billet Pickup so yes we offer them as well.

turBeau

· #39 · Feb 1, 2007

Kennedy;1565442; said:
It won't last and when it quits, you'll know it because you are walking home or plumbing around it.

Could you give some valid reasons why it wouldn't last other than saying it won't?

Kennedy

· #40 · Feb 1, 2007

turBeau;1565518; said:
Could you give some valid reasons why it wouldn't last other than saying it won't?

Personal experience and the experience of others. Eric (Dmaxallitech) had this pump on and Xmas eve a couple of years back it went down. He had to call Mrs to bail him out IIRC.

When dealing with the fuel system, you can build adequate (or what you THINK is adequate) or you can do it all and be done with it. Adequate may get you by in most situations, but doing all that you can removes any question when the going gets tough...

21 - 40 of 68 Posts

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