Quote:
Originally Posted by mrg666
I am still using the stiffest spring (yellow) in the recirculation valve.
- With the stiff spring, recirculation valve closes earlier at lower vacuum level when I want to accelerate. This boosts the engine at lower rpm, gives better throttle response, and noticeably higher power at lower rpm.
- Recirculation valve opens later (at higher vacuum) when I release throttle in deceleration. I feel that the compressor is making less noise on sudden release of throttle. Take this with a grain of salt since this is my interpretation: I think the surge is less on the compressor during deceleration and compressor is happier.
I went back to softer spring for a day to make sure this is not all placebo. Nope, I have installed the stiffest spring back and I am definitely not making all these up.
CSGMike said that he is going to test what I posted here. But it is not an expensive piece to test if you want to see yourself. I think RKX valve is higher quality than the plastic valve anyway.
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Did you use either of the washers that came with the kit?