Vit's FI TT 370Z Lives!

Boosted Performance

Who in the world would put a 6262 turbo on a VHR motor? That is a 4 cylinder motor at best...You can see that at 6,750rpm the small turbine wheel and turbine housing become a choking point.

Now if you compare this graph below, to a your TT graph, and add the 10% difference in dyno readings DJ vs DP (that looks like a Dynapac hub dyno, correct me if I am wrong), you are basically on par when it comes to performance:

Journal bearing 6266 T4 1.0 a/r (BB will gain about 200rpm in spool as well):




So if you are putting (comparing a properly set-up ST to TT), the two cars side-by side at the track or a roll race I think the phrase "slaughter" is a bit comical...no?

I am not trying to stir things up here by any stretch...I have a great deal of respect for Tony and the boys at F.I. They provide the community with a tremendously good products, which they stand behind and support. There is absolutely nothing negative I can ever say about that company, the products they offer, or the people behind it. I have had several conversations (phone) with Tony, and he is truly a stand up guy. I have directed many customers that way for TT kits, since some customers are under the impression that I have TT kits as well (confusion between TS and TT).

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VitViper

That is the only con about a twin -- the install is very involved.

Yes there does appear to be a restriction, it's a low mount turbo kit design like yours (although not yours, I do not think, the kit's been on the car several years on UpRev before I retuned it).

You're one of "those" guys -- you should get out more, not everyone uses a 15 year old Church dynapack calibration (which is 10-15% high actually). But sure, I'll bite (and obviously you didn't read my OP where I posted stock numbers): My Pack reads comparable to a Dynojet. Baseline 370Z, bone stock, was 276-278, with bolt ons it made 318-320. So if my Dynapack is "10% high", that means a stock 370Z makes 245-250whp? Really?

Best baseline ("highest" baseline) vs the best bolt on tuned graph: http://blog.vittuned.com/wp-content/...m-1024x608.png

I can go on... the DE 3.5L motors dyno 230-240 with mods untuned (had a couple at the 220 range)... must be 10% high too, right?

People and their dynapack bias...

You couldn't compare that graph to my results even in a perfect world. For one they look like they love using the STD correction factor to get a nice numbers inflation. I'm assuming that graph is also in what, 5th gear? That certainly helps spool. I can slow the ramp rate on my dyno down and show you the twins making 12psi at 2600-2700 rpm, think a single can keep up to two baby turbos coupled right at the head??

I had the chance to compare two cars with two setups on the same dyno, take it for what it is. But to assume you can post a random dyno graph and compare it to my plots... um, Dyno 101, it just doesn't work like that -- I have a baseline for the car(s) on my dyno and then we track the changes from there.

At best you've shown me you need more boost to make 510whp (take away that 3% STD inflation -- try using SAE).


LOL

Riiight.
That we can agree on.