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I have seen a lot of sales in the buy section of people selling and buying different lb fuel injectors. My question is..... What is the advantage of replacing injectors on your car to different lbs??? Does it help with horse power or gas milage? Is it easy to do on the SPI??? Thanks for your time.

Todd
 

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would do nothing for your spi motor unless you plan on doing some type of build...
 

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GT40 all the things!
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You will only need more fuel if you plan to add more air (forced induction) or possibly high compression.
 
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