Those are 2.5", so it won't be a problem at all. The prototype twin scroll kit made 550whp on the 370z without much effort, and the hot pipes are 2.5" diameter.

Larger turbo, and down pipe and I am sure he could get well over 500whp on pump gas.

 

the turbonetics uses a 2.5" xover pipe?

 

Let's not forget how many changes Taurran had to make to the TN kit just to get 500whp. Nobody else has modified a TN kit as much as him and the results were unimpressive. It didn't justify the cost or the hassle. He would have been better off selling the TN kit and getting a different kit to support his power goals.

https://my350z.com/forum/shop-builds...netics-st.html

https://my350z.com/forum/4751697-post931.html

 

All the top mount kits use a 2" crossover and it is large enough to flow plenty. Two 2"crossover pipes will flow as much as a single 3".

I was also refering to the pipe from compressor outlet to FMIC.

 

2x2" cross over pipes that merge into a single 2" uppipe..... thats how the TN hotside is fabbed.

 

Oh,....I would think that a 2.5" up-pipe would be used. Hard to believe anybody would use a 2" up-pipe on a 3.5L engine. I think Momentum only used a 2.25" up-pipe too, and made 600whp. (the Tial V-band housing has the 2.25" inlet)

I think all the top mount kits are equaly capable and one being a clone of the next (because there is no other way to do it). The only difference between them is the slight turbine size difference.

 

I wouldn't say all the top mount kits are equally capable. History on this platform has proven that the Turbonetics kit is not equally capable to the kits that succeeded it.

 

So wit that being said.having a 2" uppipe would u still suggest the 6266 t4 with .81 ar with 3" vband and e comp cover or should I have a 2.5" uppipe made with a t4 flange? Or leave my 2"? Lmk what best configuration

 

you are basically fabbing an entirely new kit at that point. pull it all off and sell and buy a BP kit.

cheaper in the long run.

 

lol.. just buy a 6266 because they are pretty.



im praying for you already as you drive this thing daily.. that takes a helluva lot of faith in ur car.

 

An up pipe and a downpipe is a full kit rather spend money and build it better and how I want it than spend 5or 6 k for a new kit

 

Did you bother to read about Taurran's build??? It isn't as simple as you may think. They encountered so many bottlenecks that they replaced all the original piping by the time they were done. The TN kit is garbage for trying to make power with a built block.

 

I was just reading this thread and thinking the same exact thing.

 

All I wanna do is get 50 or 75 more whp I wanna run 10 or 12 lbs at most just my dd don't need to make 600whp but it would be nice 450-500whp is alright for dd I know id be happy with the tn kit tuned at 10 or 12 lbs I just need a new turbo so might as well upgrade that's all I'm getting at all I'm really asking guys is I gotta get a new turbo don't want to buy another turbonetics all I'm wanting to know is what turbo would be best for my goals piping I'm not worried about atm I may just stick with. What I intended to do with the t3 6262 and see how it is because knowone is telling me what I need besides a new kit, not gonna happen. I guess I'm on my own ill let you know how it. Works out I guess I f I decided to mod the whol kit rather do than the. Buy a new one what size pipes should I have made and what size should they mearge into to the turbo?

 

obviously you arent doing the work yourself. You need to just take the car to a shop with the turbo you want to use and tell them to make it fit.

nothing more we can do to help you on here. Its gonna cost alot of money. turbo + fabrication time + materials.

or simple and inexpensive is just having turbonetics rebuild what you have. Plenty of people made 450-500 on that turbo and TN might even be able to retrofit it with their new wheels.

 

If you want more power you will end up having to fab up a lot of piping. Which is costly unless you buy it already done. Thats what I did. TN kit with a GTK-650

 

My friends local performance shop is making a 2.5" uppipe for the 2 2" pipes to mearge into and yes making a 3" downpipe will ha e pics up when its done I ordered a 6266 v band in and out with 3" inlet .82 ar we shall see how she works, with the tial 44mm wastegate :P

 

Hopefully not threadjacking too much, but my TN turbo just blew as well. This car's been full of fun surprises...

Anyway, are there any more reliable turbos that will bolt in place of the 60-1 the kit came with? I understand that the kit itself isn't great, but I don't particularly want to spend the money on an entire new kit at this point in time. Honestly for a DD I'm mostly satisfied with the power level I'm at, but I'm all ears for a more reliable turbo that I won't have to modify the rest of the TN kit to use.

If there's nothing better than the TN junk turbo, I might try to find another kit if I can find someone to buy the TN from me.

Edit: I see Precision makes a 60-1 style turbo with a 4 bolt turbine housing, the 6031E. Anyone use this? I still need to remove the turbo from the Z to see exactly which variant I have (trim, A/R, etc) before I buy a replacement, but I'd like to get some options together.

Thanks

 

I would stay away from the 6031 due to a very small T3 turbine option...there is only a .48 a/r (great if you have two for a TT build) and the .63 a/r, still too small for a big V6.

For stock block power I would consider the GT35R, but you will probably have to change the down pipe flange.