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Need help with the 8.1 injectors.

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Old 07-20-2013, 02:36 PM
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Default Need help with the 8.1 injectors.

Well guys I seen a lot of threads of these 8.1 injectors, and I need some help on the data. I'm tuning a friends 03 silverado 6.0 port and polish heads, cam, headrers and the 8.1 injectors.

Where can I find the data for these injectors?
Old 07-20-2013, 04:30 PM
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I search around and they come out to be the Delphi 42lb injectors.

The number on the injectors is c3b and I think one it says c3a.

Any help where can I get the data for this injectors.
Old 07-21-2013, 08:06 AM
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Originally Posted by urdone
I search around and they come out to be the Delphi 42lb injectors.

The number on the injectors is c3b and I think one it says c3a.

Any help where can I get the data for this injectors.
incorrect the marine injectors are the 42's.

stock 8.1l injectors are 30 lb/hr @ 43.5psi
Old 07-21-2013, 08:10 AM
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hp tuners tune repository
Old 07-21-2013, 08:17 AM
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i think they are 32 pounds at 58 psi not 43
Old 07-21-2013, 08:40 AM
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https://www.performancetrucks.net/fo...-values-88132/

try looking at this one
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