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post #1 of 5 (permalink) Old 10-27-02, 05:03 PM Thread Starter
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Location: Newcastle
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Bigger injestors?

Is it worth getting bigger injectors for my CFI with only intake and extractors with 2.5" zorst. will i notice the difference, or is it a waste of money. thanx
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post #2 of 5 (permalink) Old 10-27-02, 05:40 PM
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Probably a waste of money unless you were to boost it or something would probably work out cheaper and more effective if you were to get someone to tickle your ECU ( not sure if they have chips for CFI's ) or something like that to get the computer to seliver more fuel rather than opt for larger/more expensive injectors...

Actually if you already have intake and exhaust mods why not fit a cam? be cheaper than both of the above

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post #3 of 5 (permalink) Old 10-27-02, 07:00 PM Thread Starter
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what sort of cam would i go. Crane Cams told me they cant get the CFI's to idle properly. is this the case with all of them?

Were is Jim Mock motorsport. I wouldnt mind one of his cams by the sound of them
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post #4 of 5 (permalink) Old 10-27-02, 07:04 PM
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Fat Falcon, what kind of Intake do you have on your CFI??

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post #5 of 5 (permalink) Old 10-28-02, 02:44 AM
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you can modyfy your fuel pressure regulator to make it hold more pressure, this is the same as getting bigger injectors as it will squirt more fuel into the engine under full load.

its easy too, you just need 2 sockets the right size and a vice, plus tools needed to take the fuel presure reg off the car.

take it off the car and put a socket against each end, one socket should have an outer diameter about 2mm all round smaller then the end of the fuel pressure regulator that has the vacuume line going to it, and the other should be big enough to fit on the other end at the edge. what you want to do is put it in the vice and squish it up a little, so the vaccume line end socket squashes the reg about 1mm, but the other end does not distort.

this should give you a decent fuel pressure increase, and will be far cheaper than bigger injectors for the same result, provided you dont go overboard and squash the reg too much!

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