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Question, is the 440 chip for stock injectors, and the 550 for the 550cc injectors?

Any relation there? Or is it just something completely different?

And I would like to know what these chips do exactly if you don't mind telling me.
 

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Discussion Starter #28
Question, is the 440 chip for stock injectors, and the 550 for the 550cc injectors?

Any relation there? Or is it just something completely different?

And I would like to know what these chips do exactly if you don't mind telling me.
Sorry haven't been on here in a while
yes the 440 are for stock injectors and the 550 for the upgraded 550cc injectors.
You will need to use the chip in a HKS VPC
 

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A 440chip sold to me!
 

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Discussion Starter #35
Still have one more 440 and 2 550's

also have a mkiv vpc "C" chip
not sure what size injectors that's made for
will need to research that,
if anyone knows, please pm me
 
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