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how can tell diff between cfi and mpfi fuel pumps 

 

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 Post subject: how can tell diff between cfi and mpfi fuel pumps
Posted: Sat Apr 14, 2007 9:41 pm 
Stock as a Rock
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as title says is there any visual differences between cfi and mpfi fuel pump
I bought a pump a month ago off internet auction was cheap gauranteed a good runner but owner didnt know if car was deffinatly mpfi he thinks it was
He no longer has car for me to check
any visual difference our can I wire it up outside of tank and measure volume differences ?? any ideas cheers mike

 

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Posted: Sun Apr 15, 2007 1:27 am 
Parts Gopher
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Pretty sure that CFI pump body is black and MPFI is silver.
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Posted: Sun Apr 15, 2007 8:53 am 
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cheers for that any other differences
besides kpa pressure will probebly just put it in car as one in my car is definatly a cfi pump.There not to hard to change if its not right

 

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Posted: Sun Apr 15, 2007 9:20 am 
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Is this something you attack thru the boot or from under the car?

Is there a benifit from throwing in a higher pressure unit, or is that really only good for high rev's if it's starving?

 

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Posted: Sun Apr 15, 2007 5:21 pm 
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Just checked on a few pumps I have around and it seems that all my CFI ones have black plastic bodies and MPFI have silver bodies. I have spoken with a number of people in the motor trade about fitting a MPFI pump to my CFI wagon. All have said similar things like "Can't see why not" and "fuel pressure regulator should take care of any probs"

The only thing I can see as a possible prob is blowing hoses off filter etc as these are only clamped on whereas MPFI has screw on connectors. Just keep an eye on things like that for a while and make sure you don't have any leaks.
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Posted: Sun Apr 15, 2007 7:56 pm 
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cheers ausdealer fuel pumps going in a ea but feeding just put in ef motor
put it in today looked quite different to my cfi one so should be good cfi one was black and new one was silver so think your right on that one
will check tightness of clamps on lines too
cheers mike 8-)

 

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