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Old April 21st, 2010, 09:16 AM
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nine5flareside nine5flareside is offline

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Default When should I upgrade the injectors?


I've got the ford 302 5.0 and I am upgrading the cam, lifters, pushrods, rocker arms, manifold, throttle body. I also have headers and an exhaust system. My question is should I be upgrading my injectors from 19# to lets say 24# injectors?

At what point do you upgrade? How do you know when to upgrade? My guess is if my engine is running lean but I dont want to rebuild it just to find out!

And yes, I know that I will need a 24# MAF sensor if I upgrade to 24# injectors!

Old April 22nd, 2010, 02:30 AM
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if i remember right(from other sources) 19# injectors are good for about 280 to 300 hp at the crank...


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Old April 22nd, 2010, 10:07 AM

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Not sure when in your case Webby, I just know that when I added the supercharger, I went from 19# to 42# and a bigger fuel pump because I needed the fuel for the blower

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