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bigger LB/H injectors need tune?

Old 08-21-2009, 07:01 PM
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Default bigger LB/H injectors need tune?

I have an MS3 car with 34# injectors. I was wondering if I put the green top 42# injectors would I need the car to be re-tuned for them. And also, does anyone know if I need them, or would it be a waste of money?
Old 08-21-2009, 07:04 PM
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Or are they supposed to be the same thing, when run on the stock LS1 fuel rails?
Old 08-21-2009, 11:00 PM
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cam only your injectors are plenty enough.....and yes any time you change injector size the IFR tables need to be rescaled....


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