7AT shift improvements - tune or Level10

Slartibartfas

Your shifts should already be quick and firm, needing no help from a line-pressure increase with Ecutek.

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2011 Journey Sport sedan 7AT | SPL front, SPC rear camber arms | ARK Grip cat-back |

Maddog

I'm on my second 370z , my first was with bolt ons and a Uprev map and the mapper tweaked the line pressures a little, with the stock 7at trans , the shifts were smooth and consistant but slightly firmer than stock

I bought this 370z with the level 10 trans , Stillen S/charger and Quaife already installed, I'm NOT a fan of the L10 gearbox at all ! I know its a neccesary evil with the Stillen kit but I find the shifts harsh and difficult to anticipate especially at lighter throttle loads when in drive (D) , when the roads are wet and the weather cold its can be treacherous , spinning up on each shift

When driving hard using the paddles the Level 10 trans is great, it shifts fast and hard

We do anticipate the shifting will be improved with the EcuTek, we dont expect any difference in the horsepower, but this car has spent a fair bit of time on our dyno so we have a lot of data

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Eibach sway bars and 25mm spacers, Stillen kit , Level 10 trans, Quaife diff

JenovaI

I'm really interested in your comparisons on the Uprev vs ECUTek.

I have a 479hp Stillen SC 7AT with Uprev tuning and I feel like the shifting is pretty amazing for an automatic. TBH I'm not even sure Church's in long beach did much to the 7AT when they tuned for the SC. In D it drives like a normal car, sometimes it hangs in 3rd or 4th a bit longer but no biggie. In M it slams into each gear like it thinks im drag racing.

I'd be interested to see if a different 7AT tune can do it better. Can i even mix and match tunings like that? Church's Uprev on my HP is amazing, gained 55whp over Stillen's SC tuning. Don't want to lose that. I obviously don't know much about tunes lol.

Hurtztwopee

do you have an upgraded transmission or are you just running with the uprev tune?