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Old 04-18-2024, 06:23 PM   #4307
srhode579
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Join Date: Apr 2019
Drives: 2013 Ablaze FRS 30K miles.
Location: San Luis Obispo
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C38-91 Kraftwerks Racekit Help

Hello! I have been working with a c38-91 kit and am running into an over boosting problem. I have the 95mm pulley attached to the blower and 128mm on the crank.

This kit is making way too boost for my stock frs. I am using the MAP sensor which saying at 7.2k the MAP is reading about 2 bar (~14psi). I obviously ran into fueling issues as the car is stock. To lower the boost I tried the 100mm pulley option from the s2k kit. Unfortunately this pulley is 12mm thicker and contacts the ac compressor.

Has anyone run into this over boosting problem and come to a solution? I don’t want to change my fueling as this is a daily and I’m not trying to break any records.

If I can’t find a solution I will be selling this brand new kit along with some other goodies that came with it (fuel pump, larger injectors, 72mm throttle body).

Cheers
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