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Author Topic: 24# INJECTORS  (Read 965 times)

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Offline SKI BOY

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24# INJECTORS
« on: October 12, 2008, 08:09:04 AM »
Anyone know the difference between the Ford 24# injectors from street Mustang & 24# Ford Racing injectors from the Cobra? Would the Ford Racing be suitable for the 2.5L? Thanks for any help!
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Ski Boy

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st.chevrolet

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Re: 24# INJECTORS
« Reply #1 on: October 12, 2008, 11:36:01 AM »
Don't know if their would be much difference between those injectors, but your stock injectors should be 23.2#.
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Offline Jeffy

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Re: 24# INJECTORS
« Reply #2 on: October 12, 2008, 01:56:44 PM »
Quote from: SKI BOY on October 12, 2008, 08:09:04 AM
Anyone know the difference between the Ford 24# injectors from street Mustang & 24# Ford Racing injectors from the Cobra? Would the Ford Racing be suitable for the 2.5L? Thanks for any help!

If I had to guess I'd say they're matched.  Although that may not be the case.
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tallrugbyguy

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Re: 24# INJECTORS
« Reply #3 on: October 19, 2008, 05:40:44 PM »
Is there a possible power increase?  Is it worth doing? ill have a cone k&N and a larger tb and spacer soon. are the injectors worth doing?
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Offline Jeffy

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Re: 24# INJECTORS
« Reply #4 on: October 19, 2008, 07:58:27 PM »
Quote from: tallrugbyguy on October 19, 2008, 05:40:44 PM
Is there a possible power increase?  Is it worth doing? ill have a cone k&N and a larger tb and spacer soon. are the injectors worth doing?

http://4bangerjp.com/forums/index.php?topic=3479.0
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countryboy514

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Re: 24# INJECTORS
« Reply #5 on: October 20, 2008, 06:38:36 PM »
the best way to see if your engine needs bigger injectors is with a scanner. under full throttle at 4500 rpm, look at the injector pulse or "on-time". if it is anything close to 13 milliseconds. you need bigger injectors. If you do the math at 4500 rpms, the engine is turning 75 times a second. convert that to milliseconds and its 13.3ms. which means if the injector is on for 13ms, it is only off for 0.3ms. which is close to being open all the time. time for bigger injectors. the pcm will compensate for slightly bigger injectors
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