Aeromotive Fuel Pump

[street-gtr]

Hey fella's...

Got a question for ya's where I need a bit of help or real advise on somethin please....

Got a Aeromotive A1000 fuel pump where it was running good for the first 200-300 k's and then recently while driving it's started making a louder noise as if it's still actually priming while driving. One thing I've noticed is that once it starts making this noise when i'm driving the car, it doesn't feel like it's getting enough fuel cause it feels like it's running on 5 cylinders, etc. The engine is getting enough fuel and that to keep running but if I try to accelerate more it just stutters along and then gives up at some stage and doesn't want to move.

It'll start fine when it's cold though and it'll run for a good 30-40k's and that and then once (my opinion here) it's hot (like after driving the car around for a period of time), it just doesn't want to work properly anymore.

Keen to know if anyone else has had this problem or know of this problem with these fuel pumps?

Last night I was ready to actually rip the pump out, throw it on the ground and take a sledge hammer to it. LOL

Look forward to hearin from anyone that can advise or help out with this guys

Can anyone else maybe recommend a replacement for this pump as well maybe?

Edited September 11, 2010 by street-gtr

[JonnoHR31]

check voltage at the pump. check for leaks and blockages in the lines and make sure the fuels not getting too hot

[rob82]

Hey fella's...

Got a question for ya's where I need a bit of help or real advise on somethin please....

Got a Aeromotive A1000 fuel pump where it was running good for the first 200-300 k's and then recently while driving it's started making a louder noise as if it's still actually priming while driving. One thing I've noticed is that once it starts making this noise when i'm driving the car, it doesn't feel like it's getting enough fuel cause it feels like it's running on 5 cylinders, etc. The engine is getting enough fuel and that to keep running but if I try to accelerate more it just stutters along and then gives up at some stage and doesn't want to move.

It'll start fine when it's cold though and it'll run for a good 30-40k's and that and then once (my opinion here) it's hot (like after driving the car around for a period of time), it just doesn't want to work properly anymore.

Keen to know if anyone else has had this problem or know of this problem with these fuel pumps?

Last night I was ready to actually rip the pump out, throw it on the ground and take a sledge hammer to it. LOL

Look forward to hearin from anyone that can advise or help out with this guys

Can anyone else maybe recommend a replacement for this pump as well maybe?

How much power ou making? What injectors?

[street-gtr]

A couple of hours ago, went and started it since leaving it in the garage from last night.

Started and primed perfectly fine and then once oil temp reached around the 60 mark, it started making the loud noise again.

Hadn't rev'd it or even driven it, had been sittin there for a good 10-15mins warming up.

check voltage at the pump. check for leaks and blockages in the lines and make sure the fuels not getting too hot

Hi

All braided lines and have been tested for blockage and nothing.

How much power ou making? What injectors?

only around about 260hp for now.

can't remember the injectors sorry, around 1000cc though.

[[200]]

Did you just pick a random sub forum to post this in or did you think the question was appropriate to be posted in the rb30 conversion section?

[jrm]

1000cc with 260hp? .. wha ..

[street-gtr]

Did you just pick a random sub forum to post this in or did you think the question was appropriate to be posted in the rb30 conversion section?

no, it's cause i've actually got a rb30 bottom end buddy

1000cc with 260hp? .. wha ..

yeh, on run in tune right now. sorry.

[R32 TT]

no, it's cause i've actually got a rb30 bottom end buddy

yeh, on run in tune right now. sorry.

I had something simalar to this and it was hard to find. Ended up being the pickup was collapsing on itself. When you took it out and looked at it, it looked fine, no blockage. But under load it collapsed and created a blockage.. Just a thought you could check.

As soon as I found it and replaced it, the pump was perfectly quiet.

[rob82]

These pumps are just a f**ked idea on a street car - by there webiste they flow around 800lb/hr at 40psi thats equivalent to over 8L/min. Its just too much fuel flow.

[street-gtr]

I had something simalar to this and it was hard to find. Ended up being the pickup was collapsing on itself. When you took it out and looked at it, it looked fine, no blockage. But under load it collapsed and created a blockage.. Just a thought you could check.

As soon as I found it and replaced it, the pump was perfectly quiet.

Interesting... I highly suspect that there's nothing wrong with the pump to the extent to say "its broken, get a new one"... cause it primes ok and starts and feeds fuel to the engine still, etc so i'd say it could be something as small as this maybe.

[street-gtr]

here is a sound file of the pump...

http://www.exigent.com.au/j/20100915-190305.mp3

[street-gtr]

Fixed!

[turboedsloth]

How did you fix it? What was the problem

[kjb_r33]

Fixed!

Doesnt it shit ya when people ask for help with a problem, fix it, then dont pass on the info that could help someone else.

[T04GTR]

yeah lol, my bet is the feed was restricted. sounds to me it was cavitating...

[street-gtr]

How did you fix it? What was the problem

one of the plugs to the relay wasn't plugged in.

soon found this out when i was checking the fuses.

Doesnt it shit ya when people ask for help with a problem, fix it, then dont pass on the info that could help someone else.

yeh, it does shit yah when people don't have much time to come on and post everything about it hey... considering that 'fixed' post was posted from my iphone.

Edited September 19, 2010 by street-gtr

[T04GTR]

lol. always something simple.. what sort of ampage does the a1000 pull? ive seen a bosch 044 burn out a 30 amp relay.. (more to do with the poor contact with some aftermarket relay holders melting

[street-gtr]

lol. always something simple.. what sort of ampage does the a1000 pull? ive seen a bosch 044 burn out a 30 amp relay.. (more to do with the poor contact with some aftermarket relay holders melting

not to sure mate.

the pump ended up being f**ked after only running on one relay.

some people who think they have a idea on how to do this shit really have no idea.

now i'm up for a new pump!!!

[zebra]

From what I have seen with A1000 pumps is that they really are a race use only pump, aimed at drag racing where they are only switched on for a few seconds.

From memory they are a reconfigured carburettor pump so origionally designed to run at 7-10PSI, just happens that they are big enough to push 100psi when attached to a EFI reg.

Doesnt help solve the issue I know, but just a heads up for the future.

Same goes for most Yank Pumps (SX, Magna Fuel etc)

[XRATED]

From what I have seen with A1000 pumps is that they really are a race use only pump, aimed at drag racing where they are only switched on for a few seconds.

From memory they are a reconfigured carburettor pump so origionally designed to run at 7-10PSI, just happens that they are big enough to push 100psi when attached to a EFI reg.

Doesnt help solve the issue I know, but just a heads up for the future.

Same goes for most Yank Pumps (SX, Magna Fuel etc)

A1000 isn't much of a pump... they fail regularly in the US circles (im in the us for the last 5 years).

Look at weldon for a good solid reliable pump.

Any pump combo you get you will need some style controll. staged, pwm etc...