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Author
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Topic: 255 FUEL PUMP?
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ProjectFox87
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Member # 7048
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posted
 
 
HAY, I WANNA GET A 255 FUEL PUMP FOR MY FIFTY BUT ITS SPEED DENSITY. WILL IT STILL FUNCTION CORRECTLY? WILL IT DO WHAT ITS SUPPOSE TO DO EVEN THO I HAVE SPEED DENSITY? OR WILL IT JUST PUSH OUT THE SAME AMOUNT OF FUEL AS STOCK PUMPS?
THNX ![[Confused]](confused.gif)
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1987 MUSTANG 5.0.Sold 1990 MX-5 Turbo MIATA Sold 1990 Mustang 5.0. Sold 1992 Turbo Miata Sold
1991 240sx Sold 1991 Miata Turbo,WILL Spank your 5.0 =]
Posts: 510 | From: WEST SACRAMENTO | Registered: Sep 2006
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asskickn88
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Member # 4957
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posted
Why do you want a pump that big? It would work but its overkill unless you have quite a few mods. I'm sure you'd be fine with a 190.
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Three 540 Bimmers and a 5.0 Explorer.... got a Ford back in the stable!
It's time for the country to do what Obama's own father did.
Abandon him.
Posts: 6069 | From: Rocklin, Ca | Registered: Oct 2004
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Wildfire532FB
CAFords OG
Member # 1482
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posted
It will pump the gas quickly but if you don't have bigger injectors its kinda pointless. Someone told me also if you don't have the bigger injectors the pump will just heat up the fuel which might cause problems.
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68 Fastback
84 CJ7
94 HMMWV
95 GT
03 F350
17 Fusion Hybrid
Posts: 17578 | From: 530 | Registered: Jun 2002
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ProjectFox87
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Member # 7048
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posted
SO CAN I GET AWAY WITH STOCK INJECTORS AND A 190 PUMP, THNX FOR THE INPUT GUYS, YOUR HELPIN AND SAVING TIME LOL
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1987 MUSTANG 5.0.Sold 1990 MX-5 Turbo MIATA Sold 1990 Mustang 5.0. Sold 1992 Turbo Miata Sold
1991 240sx Sold 1991 Miata Turbo,WILL Spank your 5.0 =]
Posts: 510 | From: WEST SACRAMENTO | Registered: Sep 2006
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asskickn88
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Member # 4957
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posted
a 190 would give you room to grow into bigger and better mods.
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Three 540 Bimmers and a 5.0 Explorer.... got a Ford back in the stable!
It's time for the country to do what Obama's own father did.
Abandon him.
Posts: 6069 | From: Rocklin, Ca | Registered: Oct 2004
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ProjectFox87
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Member # 7048
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posted
AITE THNX YOU GUYS HELPED ALOT ![[worship]](graemlins/worship.gif)
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1987 MUSTANG 5.0.Sold 1990 MX-5 Turbo MIATA Sold 1990 Mustang 5.0. Sold 1992 Turbo Miata Sold
1991 240sx Sold 1991 Miata Turbo,WILL Spank your 5.0 =]
Posts: 510 | From: WEST SACRAMENTO | Registered: Sep 2006
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onesicklx
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Member # 285
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posted
quote:
Originally posted by ProjectFox87:
AITE THNX YOU GUYS HELPED ALOT
personally i would get a 255 pump...but thats jus me...
Posts: 1955 | From: san jose, CA | Registered: Jun 2001
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92stangLX
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Member # 3252
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posted
quote:
Originally posted by onesicklx:
quote:
Originally posted by ProjectFox87:
AITE THNX YOU GUYS HELPED ALOT
personally i would get a 255 pump...but thats jus me...
I agree. If you plan on adding a lot more HP down the road then the 255 will give you some extra room to grow. There should be no issue running a 255 w/ stock injectors. It will just be overkill until you upgrade the rest of your fuel system.
Posts: 5302 | From: San Francisco | Registered: Sep 2003
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SmokinLX
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Member # 1684
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posted
Do You already have an adjustable fuel pressure regulator? If not then You should probably get one. What mod's do You have done to Your car? If You don't have HCI then there is probably better places to spend the money.
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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ProjectFox87
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Member # 7048
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posted
HERES WHAT I HAVE
308 MOTOR
P HEADS
BBK LONG TUBES
UNDERDRIVE PULLEYS
373 GEARS
WOLRD CLASS TRANNY
BBK COLD AIR
PORTED STOCK INTAKE FOR NOW
SPEED DENSITY!
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1987 MUSTANG 5.0.Sold 1990 MX-5 Turbo MIATA Sold 1990 Mustang 5.0. Sold 1992 Turbo Miata Sold
1991 240sx Sold 1991 Miata Turbo,WILL Spank your 5.0 =]
Posts: 510 | From: WEST SACRAMENTO | Registered: Sep 2006
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SmokinLX
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Member # 1684
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posted
quote:
Originally posted by ProjectFox87:
HERES WHAT I HAVE
308 MOTOR
P HEADS
BBK LONG TUBES
UNDERDRIVE PULLEYS
373 GEARS
WOLRD CLASS TRANNY
BBK COLD AIR
PORTED STOCK INTAKE FOR NOW
SPEED DENSITY!
Are You putting the new pump in for a specific reason, like noisy pump or lean condition? Have You considered a mass air conversion or are You going to stay with speed density?
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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ProjectFox87
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Member # 7048
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posted
NO PROBS WITH THE ONE I HAVE, JUST WANNA GET A BIGGER ONE. AND YES, MASS AIR CONVERSION SOMETIME ALONG THE ROAD
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1987 MUSTANG 5.0.Sold 1990 MX-5 Turbo MIATA Sold 1990 Mustang 5.0. Sold 1992 Turbo Miata Sold
1991 240sx Sold 1991 Miata Turbo,WILL Spank your 5.0 =]
Posts: 510 | From: WEST SACRAMENTO | Registered: Sep 2006
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SmokinLX
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Member # 1684
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posted
quote:
Originally posted by ProjectFox87:
NO PROBS WITH THE ONE I HAVE, JUST WANNA GET A BIGGER ONE. AND YES, MASS AIR CONVERSION SOMETIME ALONG THE ROAD
That's all good. Just wondering if You had a specific reason or problem. It is about 100 buck's and I would order from summit cause they have alot in stock and FAST delivery. Someone else chime in here but don't You need an adjustable fuel pressure regulaor when You put in a bigger pump? If You still have the stock pump in there it would be a good idea to change it anyway so it does'nt quit on You at a bad time.
And You might as well go with a 255 IMHO. ![[patriot]](graemlins/patriot.gif)
[ January 11, 2007, 10:15 PM: Message edited by: SmokinLX ]
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Dont claim power if ya cant mile per hour. 10 second AOD
Posts: 4388 | From: East Bay | Registered: Aug 2002
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Blind
2.3L
CAFords OG
Member # 3052
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posted
quote:
Originally posted by SmokinLX:
quote:
Originally posted by ProjectFox87:
NO PROBS WITH THE ONE I HAVE, JUST WANNA GET A BIGGER ONE. AND YES, MASS AIR CONVERSION SOMETIME ALONG THE ROAD
That's all good. Just wondering if You had a specific reason or problem. It is about 100 buck's and I would order from summit cause they have alot in stock and FAST delivery. Someone else chime in here but don't You need an adjustable fuel pressure regulaor when You put in a bigger pump? If You still have the stock pump in there it would be a good idea to change it anyway so it does'nt quit on You at a bad time.
And You might as well go with a 255 IMHO.
my 255 pump worked fine on a 100% stock engine with the stock regulator, the regulator just makes it stock fuel pressure, the fuel pump moves more fuel but it is just circulated back to the tank.
just be careful removing the gas cap when you have a 255pump on a stock motor, mine pressurizes the tank a LOT and there is a fairly loud pressure bleed off when I crack the gas cap open, kind of like a soda bottle you shook up
![[Big Grin]](biggrin.gif)
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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ProjectFox87
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Member # 7048
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posted
SO THE 255 WONT AKE ME RUN RICH?
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1987 MUSTANG 5.0.Sold 1990 MX-5 Turbo MIATA Sold 1990 Mustang 5.0. Sold 1992 Turbo Miata Sold
1991 240sx Sold 1991 Miata Turbo,WILL Spank your 5.0 =]
Posts: 510 | From: WEST SACRAMENTO | Registered: Sep 2006
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Blind
2.3L
CAFords OG
Member # 3052
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posted
quote:
Originally posted by ProjectFox87:
SO THE 255 WONT AKE ME RUN RICH?
no, the fuel pressure regulator and the return fuel line that dumps extra fuel back into the gas tank takes care of that.
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89 LX Notchback ex 4cyl, 14psi
02 Harley F150, 15psi
Posts: 8521 | From: Fairfield | Registered: Jul 2003
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cummins
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Member # 5931
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posted
Get the 255. I don't know much about Ford products so I'll just chime in with general info. Whenever I do high perf mods I toss the stock ones and just run an adjustable from a company like Aeromotive. That way I don't have to deal with stock crap or even worry about it if I add more power. If all you plan on is running the power of up to one 255 and you don't want to play with fuel pressures and you aren't close to maxing out your injectors then it "should" be ok with stock regulator. Once you start modding a lot you'll want an aftermarke adjustable. For people like me who run three 255s, big injectors and always tweaking with fuel pressure a good aftermarket adjustable is necessary. Hell I even had to crank those 255 puppies up too! If you're worried about rich/lean conditions then get a wide band and monitor your afr. But then again if you're doing performance mods you should have an afr gauge anyway.
[ January 14, 2007, 08:08 PM: Message edited by: cummins ]
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Your definitely jealous of my strength and brains. - 68_427_Fastback
Cummins looks like the Wendy's girl......without the pig tails. - JT
Posts: 3441 | From: The Rice Fields | Registered: Aug 2005
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