BBK 255LPH fuel pump info? - Mustang Evolution

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Old 09-29-2012, 04:10 AM   #1
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BBK 255LPH fuel pump info?

Any info on this fuel pump?
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Old 09-29-2012, 05:13 AM   #2
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Here's a link to info for the 190 and 255 flow rates. http://www.autoperformanceengineerin...l/fpspecs.html
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Old 09-29-2012, 01:06 PM   #3
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For $10 more go with the 255lph your fuel pressure regular will take care of the rest !
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Old 09-30-2012, 11:36 AM   #4
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I agree with the above post. If you are putting a new one in go with
the biggest one they got. That way any future upgrades or Forced induction
you won't have to do it again....
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Old 09-30-2012, 12:08 PM   #5
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I don't necessarily agree. That will depend on future plans. If those plans don't involve a bunch of upgrades, I don't see a need in going that large. You will be recirculating a lot of fuel and warming it up. That would cause a loss in power.
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Old 09-30-2012, 01:49 PM   #6
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I never thought about the fuel heating up, but I guess it is possible.
I had a A1000 on my 347 Strim and it was fine, when I took off
the Strim it did get hot in the summer months and would shut down.

On the other hand if the pump has to work at 80% to fuel your car,
would you not one that only had to work at 50%???
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Old 09-30-2012, 01:57 PM   #7
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Quote:
Originally Posted by Mike90
I never thought about the fuel heating up, but I guess it is possible.
I had a A1000 on my 347 Strim and it was fine, when I took off
the Strim it did get hot in the summer months and would shut down.

On the other hand if the pump has to work at 80% to fuel your car,
would you not one that only had to work at 50%???
the problem that i stated would most likely only be an issue with less fuel in the tank. it may also cause the pump to cause stalling when the tank was really really low from sucking the fuel to fast.

i dont think you really change the duty cycly of the fuel pump. its pumping fuel no matter if its going to the return or the injectors. its still pumpimg the same.

but with all that said its not really a major issue, the stuff i suggested. just something to aware of. and i dont see any of it a problem unless your running on really low fuel tank all the time.
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Old 09-30-2012, 02:01 PM   #8
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Quote:
Originally Posted by dreamstang

the problem that i stated would most likely only be an issue with less fuel in the tank. it may also cause the pump to cause stalling when the tank was really really low from sucking the fuel to fast.

i dont think you really change the duty cycly of the fuel pump. its pumping fuel no matter if its going to the return or the injectors. its still pumpimg the same.

but with all that said its not really a major issue, the stuff i suggested. just something to aware of. and i dont see any of it a problem unless your running on really low fuel tank all the time.
That's a very good point and one I worry about in my car. Although I haven't had any trouble out of my 255 yet it's still on the back of my mind.
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Old 09-30-2012, 02:07 PM   #9
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the amount of hp may or may not even be noticable. but when running really high timing the last thing you would want is warm fuel. i wouldnt sweat it to much though.
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Old 09-30-2012, 05:59 PM   #10
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Quote:
Originally Posted by dreamstang
the amount of hp may or may not even be noticable. but when running really high timing the last thing you would want is warm fuel. i wouldnt sweat it to much though.
My stock gt pump is too weak to get my car started cold. Sometimes more.
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Old 09-30-2012, 08:51 PM   #11
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I just went with a holley 190lph and actually notice my car running stronger. I do think my f/p was a bit on the low side before I changed it.
I think what Dreamstang said are some good points. things I never really considered.
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