Honda Civic Performance - JDM Discussion Engine tech, forced induction, springs, shocks, brakes, tires, etc.

dpmfi - mpfi

Old 21-Aug-2003, 11:59 AM
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dpmfi - mpfi

k i want to change the gf's dpfi - mpfi what kind of difference should she expect ? fuel economy , performance wise and how hard is this whats involved and what is everything i need to do this ? searched the threads didn't see much help how much should the new intake cost and fuel rail and such ? does anyone have EVERYTHING I NEED for an auto tranny to do this ?
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Old 21-Aug-2003, 01:08 PM
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what car is it for?
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Old 21-Aug-2003, 02:02 PM
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you can get everything you need from an SI
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Old 21-Aug-2003, 02:02 PM
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as for performance wise...if its a d15...it isn't gonna help much...but it will let you get more out of the engine then dpfi will.
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Old 21-Aug-2003, 04:07 PM
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its a d15b block with a whatever head dpfi attached to it what all do i need new ecu ? and intake fuel rail and such ?
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Old 21-Aug-2003, 04:52 PM
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you need an intake manifold and i believe throttle body.... cause the intake manifold on there now will not have holes drilled for 4 injectors

she would notice better millage cause the gas mixed better and more performance cause more gas is able to make it into the engine
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Old 21-Aug-2003, 05:58 PM
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you need

SI distributor
injector resistor box
injectors
complete manifold
mpfi computer - pm6/pr4/pm7/pg7
and need to rewire a few things

I have PERSONALLY DONE these swaps flawlessly, I have all the parts, If you are willing I can wire and install/sell the parts to you for a good PRICE...
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Old 21-Aug-2003, 06:00 PM
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I have completed a multiport injection swap for :

dx - SIR crx
dx - ZC civic
cx - sohc ZC
DX - GSR crx
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Old 23-Aug-2003, 08:42 AM
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hondatuning did an article on this not long ago

i have the article, i could scan it up and send it your way
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