Silber AXYS kit Boost Levels

I ran the non-inter-cooled Silber kit on my Axys RMK last season with the pre-set 7lbs waste gate spring.

Has anyone changed the waste gate springs to get higher boost levels. I asked Silber last year and the response was no being that everyone has been happy with 7lbs. Looking at the turbo smart waste gate spring rates the next option above 7 is 10.

I agree with Silber that 7lbs the thing runs awesome and honestly is all I need. Me being me I'm always looking for more even though I don't need more. I'm concerned that using the stock injectors wont be able flow the fuel required for 10+ lbs of boost. If anyone has tried or knows please share. Thanks for any info.

Boston Racing said:

You can run them at 10 at altitude. Give me a call 719-271-6687 if you have any other questions.

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Thanks Corey!