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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 02-08-2007, 02:16 AM   #1
jtmustang
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Default FUEL INJECTOR SIZE

ha just wondering isf 24# inj.'s would be enough for this setup cast gt-40 heads that are ported and have been shaved .020, .030 trw flatops with valve reliefs ,trickflow street heat trickflow stage one cam,70 mm tb,73 maf,cold air,pullies,1.6 rollers,shorty headers,h-pipe,flowies. 24#'s or bigger
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Old 02-08-2007, 02:17 AM   #2
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Default RE: FUEL INJECTOR SIZE

24's should be plenty large enough
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Old 02-08-2007, 02:18 AM   #3
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Default RE: FUEL INJECTOR SIZE

24lb'ers are DEFINETLY enough... you could prob run your setup on the stockers if you really wanted to... you might be pushing the DC a little far but I bet you can do it. I would still upgrade I was just making a point
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Old 02-08-2007, 02:20 AM   #4
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Default RE: FUEL INJECTOR SIZE

definetly upgrade if you are thinking about it and have the cash, you never know what other bolt ons you might add in the near future
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made 500 to tires with only stock pulley
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Old 02-08-2007, 02:44 AM   #5
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Default RE: FUEL INJECTOR SIZE

I would definitely go with the 24lb. 19lb supposively hold up to 300rwhp but that is really pushin it. But 24lb injectors will be plenty, they hold up to about 350rwhp.
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Old 02-08-2007, 03:05 AM   #6
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Default RE: FUEL INJECTOR SIZE

350 horse well cool then and would a 155 be big enough for that
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Old 02-08-2007, 04:12 AM   #7
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Default RE: FUEL INJECTOR SIZE

Consider how far you're going to go in the long run. Might be worth staying with the 19s a few months if you plan on adding a nasty shot or blower in the somewhat near future because then the 24s may not be enough.
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Old 02-08-2007, 04:21 AM   #8
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Default RE: FUEL INJECTOR SIZE

If your gonna upgrade your fuel pump just get a 255lph. It'll be there for when or if you need it in the future, and its not gonna hurt you now.
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Old 02-08-2007, 04:21 AM
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