3.3 gear swap
 

Anyone ever heard of or have swapped the 3.5 diff gear setup for the auto 3.3 gears? Would it be a straight swap or whould it take alot of ******** to do it?

a few 350z guys did it to help make better boost in the lower gears if i remember correctly, are you FI?

yea gtm stage 2 turbo. thats why i was thinking about it. my first gear is almost non exsistent

it was a straight swap in the 350z, it was the auto z's FD, i think the 370z has a different pumpkin but it should all still bolt up. Contact a vendor and ask them directly.

yea imma do that

Thanks

When I was at SEMA this last fall I sat down and talked with one of OS Giken's Techs/reps. They have a whole new gear set available for the 370z for most applications. While I was talking to the rep I mentioned my concerns with FI and the current Gear ratios. He told me that for the 370z the best way to achieve what I was asking and what your looking for was to do the Auto Final Drive. he said it shouldnt take much and should be a direct swap. I say Go For it!

Unfortunately, for anyone that uses the SRM, changing the gears results in hindering the SRM functionality. I have really grown to love it. After having a big turbo STI though, I know the desire for longer gears to stay in boost.

Im gonna do it. Im having my tranny rebuilt because it went to **** on me and I bought a nismo diff cover because it has the fins because i boiled the oil out of the diff last track day so im gonna try this so while i have it out I might as well do the 3.3 change.