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Old 12-21-2008, 10:40 PM   #1
Token-Negro
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Default Bosch Fuel Pump Users?

Anyone here using a Bosch 044 pump with stock ecu? or without a controller?
I'm interested in seeing how long these pumps will work if they are run at 100% duty cycle for extended periods of time.
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Old 12-22-2008, 07:53 PM   #2
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This pumps are for big power. I wonder how many people run them?

interested..........
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Old 12-22-2008, 11:07 PM   #3
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you might want to try posting this in the built motor discussion part of the forum. Most people here are just running a double pumper I see more people run the bosch with built motor setups for some reason or in that part of the forum
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Old 12-22-2008, 11:51 PM   #4
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My post got moved, it started in motorsports since this is generally a motorsports used pump, figured someone might have one on there race car. Well Off to BMD see whats up in there.
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Old 12-23-2008, 12:29 AM   #5
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The Bosch 044 fuel pump is widely used in motorsport applications and is known to be very reliable.

I run a Bosch 044 external pump (mounted off a surge tank) on my WRX and it's been great so far. I've ran this setup for a year in my mostly daily driven car and it's still going strong. The pump is powered directly from my battery through a relay and I'm using the stock fuel pump controller to control it (Hydra EMS).

-Dan
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Old 12-23-2008, 03:08 AM   #6
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shouldnt this be in the newbie section
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Old 12-23-2008, 08:33 AM   #7
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if you run the pump on the oem wiring there is a good chance that the oem wiring will not be able to handle all the draw, causing your car to run lean under full boost

it is not too bad to set up the pump, i did the wiring and install on my intank pump set up

pm me if you want
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Old 12-23-2008, 12:13 PM   #8
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Quote:
Originally Posted by blowbyu24 View Post
if you run the pump on the oem wiring there is a good chance that the oem wiring will not be able to handle all the draw, causing your car to run lean under full boost
Yea it's best to power a pump of this size off of your battery through a relay. I just use the stock pump controller to trigger the pump on and off easily, all power comes from the battery though

-Dan
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Old 12-23-2008, 11:18 PM   #9
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Quote:
Originally Posted by suby_dude View Post
Yea it's best to power a pump of this size off of your battery through a relay. I just use the stock pump controller to trigger the pump on and off easily, all power comes from the battery though

-Dan
Thanks Dan so that means 100% duty cycle all the time one year worth and still going strong. How is the noise from it? Care to post a picture?
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Old 12-24-2008, 04:30 PM   #10
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Noise isn't bad at all if you have the back seats in. I drove around without back seats until the noise of the pump in combination with the exhaust drone and road noise drove me nuts.

-Vic
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Old 12-24-2008, 07:21 PM   #11
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^^^^haha too funny, i didn't put the seats in until i got a headache from riding in my car

the bosch is not nearly as loud as two walbro pumps
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Old 12-24-2008, 07:35 PM   #12
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Quote:
Originally Posted by blowbyu24 View Post
^^^^haha too funny, i didn't put the seats in until i got a headache from riding in my car

the bosch is not nearly as loud as two walbro pumps
I disagree! External pumps are DEFINATELY louder.

Quote:
Originally Posted by Token-Negro View Post
Thanks Dan so that means 100% duty cycle all the time one year worth and still going strong. How is the noise from it? Care to post a picture?
This is Dans setup.



smp surge tank + bosch044

You could also do the txs surge tank setup like so...



I haven't decided on which setup I want to do, however I need to decide fast because it's the last thing on my list.
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Old 12-25-2008, 08:58 AM   #13
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Quote:
Originally Posted by D Money View Post
I disagree! External pumps are DEFINATELY louder.
my bosch is intank, so external i am sure its louder....but two intank walbros were louder than my bosch thats in there now
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Old 12-25-2008, 06:53 PM   #14
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how did you install the 044 intank?
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Old 12-26-2008, 01:49 PM   #15
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Quote:
Originally Posted by spiralsmurf View Post
how did you install the 044 intank?
same way you would install a 255 walbro execpt for the wiring
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Old 12-26-2008, 09:37 PM   #16
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Quote:
Originally Posted by blowbyu24 View Post
same way you would install a 255 walbro execpt for the wiring
So this would actually be the 040 bosh right?? The in tank version? Not the 044 which is the inline. Just want to clarify.
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Old 12-27-2008, 02:37 AM   #17
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Quote:
Originally Posted by nosmo View Post
So this would actually be the 040 bosh right?? The in tank version? Not the 044 which is the inline. Just want to clarify.
There is only one 044 some seem to mount them in tank, but the 040 is the intank version by design.
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Old 12-27-2008, 07:34 AM   #18
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I have run the 044 outside of tank and even worse in the front of vehicle [pulling fuel] for two years straight on my dd dodge daytona no probs
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