2017 GS-F GSF Stock Dyno Run
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2017 GSF (BoneStock)
Did two pulls in 5th gear, resulting in 381 to the wheels.
Did two pulls in 5th gear, resulting in 381 to the wheels.
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DaveGS4 (01-28-19)
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18.41% is around expected. I'm encouraged by this as I am planning on adding novel headers, hopefully that nets a dozen more HP
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Love when vendors give out the wrong info so they can sell more products
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finny76 (01-29-19)
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LOL that's incorrect the more air you more it will require more fuel which means a better tune which I don't think RR Racing can program 17+ GSF. No it's no easy to gain HP with any of the V8 lexus models without boosting it. Adding a full catback might increase your HP by like maybe 8whp and by adding headers with a tune will get you like 30 whp combine with headers, catback, and air intake. There isn't much else you can do to gain anymore hp without building the bottom end going with higher compression pistons.
Love when vendors give out the wrong info so they can sell more products
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No tune, PTS catback exhaust installed on 2016 GS-F . Dyno numbers don't lie, plus the ECU will naturally compensate for the additional airflow and therefore increase fuel to maintain the proper A/F level that is required to maintain sustainable combustion.
Last edited by ModInJapan; 01-29-19 at 06:03 PM.
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