Fuel and Ignition Fuel Pumps and Systems, Ignition and Spark Systems

22 lb fuel injectors

Old 01-16-2015, 09:12 PM
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22 lb fuel injectors

Found a guy selling LT1 parts and was wondering if 22lb injectors would be ok my LT1
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Old 01-16-2015, 10:59 PM
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Re: 22 lb fuel injectors

I think the stocks are 24lb if I'm not mistaking
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Old 01-17-2015, 08:52 AM
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Re: 22 lb fuel injectors

93 LT1 is 22 #/HR. 94-97 are 24 #/Hr. If you install the 22's in a 94, the PCM should be reprogrammed for the new size.

If you don't program the PCM, it will try and adjust the long term fuel corrections to correct for the fuel shortfall caused by the "too small" injectors, but that becomes a bit hit-or-miss, depending on whether the long term fuel corrections are already elevated for some other reason.

I woudn't recommend using the 22's unless you have the PCM reprogrammed.
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Old 01-17-2015, 08:22 PM
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Re: 22 lb fuel injectors

Originally Posted by blac94Z View Post
I think the stocks are 24lb if I'm not mistaking
thank you,i see your profile pic if your a colts fan...i hope you guys beat the pats tommorow
Originally Posted by Injuneer View Post
93 LT1 is 22 #/HR. 94-97 are 24 #/Hr. If you install the 22's in a 94, the PCM should be reprogrammed for the new size.

If you don't program the PCM, it will try and adjust the long term fuel corrections to correct for the fuel shortfall caused by the "too small" injectors, but that becomes a bit hit-or-miss, depending on whether the long term fuel corrections are already elevated for some other reason.

I woudn't recommend using the 22's unless you have the PCM reprogrammed.
thank you buddy im glad i asked you guys 1st before buying them.
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Old 01-17-2015, 08:29 PM
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Re: 22 lb fuel injectors

thanks man I hope we do to it will be great for the colts and Andrew luck
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