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You have a 17’ Nismo; so Jon probably tuned in 5th gear (1:1) because of 3.92 rear differential ratio 1:1 will always yield a more accurate Dyno results. The 4th
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02-07-2021, 02:56 AM
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#5 (permalink) |
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A True Z Fanatic
Join Date: Nov 2014
Location: South Carolina
Age: 58
Posts: 15,204
Drives: 13’ 370Z TS 7A/T
Rep Power: 2684395   |
You have a 17’ Nismo; so Jon probably tuned in 5th gear (1:1) because of 3.92 rear differential ratio
 1:1 will always yield a more accurate Dyno results. The 4th gear pulls on an M/T Z are (1.27:1) & (1.41:1) on A/T Z’s  Though the power on 4th tuned cars is great; it will show less on the paperwork,actual rwhp/TQ of the cars  Also, I see yours made power to 7700rpm’s  Nice cold weather & good air quality involvement  Also, Jon is really good with UpRev & there could possibly be some updates in software, or just his knowledge over the years has increased 
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MazWorx built long block | FI-TT-100 Stage 2.75 | IPT built 7A/T http://www.the370z.com/members-370z-...s-musings.html |
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