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Discussion Starter #1
So I'm just swapped out my s trim and installed a ysi onto my 03gt 2v I haven't gone to the dyno yet as I swapped it last night. Car doesn't feel any quicker actually what I noticed is wot afr is actually around 10.7 now before with the s trim is was right around 11.7-12.0. I figured bigger blower if anything I'd go lean wide open. Still makes 17 pounds of boost like my s trim made. I have an innovators west 15% overdrive to install as well too but think my
Oil drain wil need moving.
 

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are you running the same pullies on the YSI as the S-trim? If so, you will really need to spin that YSi much faster to see the benefits.
 

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more you spin it ysi will like it wait till you hit half track and it wakes up and takes off like jet and does not stop it fun ride just make sure everything is right with rest of you setup because you will find that weak link very fast.
 

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following, i am contimplating selling my T Trim. I am currently making 659whp. i am pondering either going Turbo or a YSI any feed back on the ysi ???
 
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