What size injectors do I need? - MustangForums.com


5.0L (1979-1995) Mustang Technical discussions on 5.0 Liter Mustangs within. This does not include the 5.0 from the 2011 Mustang GT. That information is in the 2005-1011 section.

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Old 04-25-2012, 02:32 AM   #1  
fordmustang945.0
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Default What size injectors do I need?

I just purchased a 94 gt with the following work done to the engine:
-Trickflow upper and lower intake
-Edelbrock Performer heads
-Crower 15511 cam
-1.6 roller rockers
-Hooker shorty headers
-MAC catback exhaust
-MAC CAI
-65mm throttlebody
-190lph fuel pump

The previous owner did all the work to the car. It is using 24lb injectors right now and a bbk adjustable fpr running at 42psi. I think this seems like a little much and I have a set of 19lb injectors sitting around. I just don't want to put them on and run the risk of leaning out the engine. Does it need the 24's or would I be fine putting the 19's in? I really don't want to spend the money on an AEM UEGO to tune it once and then not use the wideband again.

Thanks
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Old 04-25-2012, 06:41 AM   #2  
mjr46
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24's are fine leave it alone
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Old 04-25-2012, 02:05 PM   #3  
BaltRavens
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#24 be all you would need.
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Old 04-25-2012, 08:55 PM   #4  
nitrous_bob
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42 psi vac off ???? your perfect
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Old 04-27-2012, 01:43 PM   #5  
Venomantidote95
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Yes you are good to go dont change a thing but plugs and oil lol, until the time comes to go bigger all around!
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Old 04-27-2012, 04:30 PM   #6  
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will a 190lph pump feed 24s in high rpms?
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Old 04-27-2012, 07:14 PM   #7  
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#24 be all you would need.
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Old 04-28-2012, 10:49 AM   #8  
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yes a 190 will be fine with any rpm one 24`s as long as you have a good working regulator.
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