TSI injectors on FSI motors

[RUIZRUIZDIEGO]

I have a 2.0T FSI and wonder if I can use the TSI injectors on my car. Will they fit my head and my rail? If so what's the difference between the two. I have Maestro so if they just are a different size I can just scale for the different size.

[StatusQuo]

I have a 2.0T FSI and wonder if I can use the TSI injectors on my car. Will they fit my head and my rail? If so what's the difference between the two. I have Maestro so if they just are a different size I can just scale for the different size.

You would need FSI injectors. So you have S3 and RS4 injectors to choose from.

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[RUIZRUIZDIEGO]

You would need FSI injectors. So you have S3 and RS4 injectors to choose from.

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So it's a no fit? I just hear that the TSI injectors are better. One of my injectors is bad and I'm thinking about replacing them all

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[seal66]

So it's a no fit? I just hear that the TSI injectors are better. One of my injectors is bad and I'm thinking about replacing them all

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I can't remember off the top of my head but I want to say that the tsi injector is bigger at the part that goes into the fuel rail or into the block. I can't remember. But, there are other options out there minus s3 or rs4 injectors

[james12lucy]

It's possible.

I know someone that has a set of Gen2 B8.5 RS4 TFSI injectors. You'll need to make a custom hardness to run them (spliced from an OEM B7 and OEM B8 harness), and you'll need shims, because the injector body is physically longer on the TFSI injector). Other than that, you'll need to scale in Maestro.