[boost junkie]

Originally Posted by stanlalee

I don't know why people seem to think running stock frame turbo's to high hp levels is a good thing

Where are all the blown up RB and VTT turbos? You're not seeing them drop like flies.

[idratherbesurfing]

Originally Posted by boost junkie

Where are all the blown up RB and VTT turbos? You're not seeing them drop like flies.

He's referring to motor health not the turbos

[135Pats]

Originally Posted by stanlalee

I don't know why people seem to think running stock frame turbo's to high hp levels is a good thing High boost at low rpm is not the best thing for longevity as high load/low rpm is hard on engines (not to mention power delivery, hell even stock turbos benefit from boost limiting in 1rst and 2nd gear). On top of that stock frames running lets say 525whp is going to be heating up the charge air MUCH higher than a 525whp 5862 which is barely working to make that kind of power. When your talking 500whp and up a large single turbo is all kinds of safer and easier on the engine no question. This is why you never put a small turbo on a factory naturally aspirated car. You want boost to come on late and the turbo to run cool. That's ALWAYS safer.

Best post in this thread?

Best post in this thread.

Originally Posted by boost junkie

Where are all the blown up RB and VTT turbos? You're not seeing them drop like flies.

There's dozens of blown up RBs and VTT hybrids. Dozens of 'em.

And the relative lack of outright motor loss solely proves that this motor is very strong, an can handle a ton of load, advance, and torque down low. Doesn't change the fact that it's bad for the rotating assembly. 550WHP out of stock frames is nothing like 550WHP from a properly sized turbo setup in terms of the stress is puts on the motor. No free lunch.

[wgknestrick]

Originally Posted by Torgus

We do need a cast manifold, even if you needed 4 versions for the various models it would sell fine given the large amount of N54s sold. Especially as they come down in price and anyone can easily afford one, with the bullet proof motor it currently has it should be the best platform imo. Better than an STI or Evo imo. But i'm partial.


We need kits like this for sale:
http://fsrmotorsports.com/index.php?...mart&Itemid=87

But yeah a cast manifold would be the balls. Until then I am perfectly fine with the steeds Speed manifold he is creating for us:

Machining a manifold from 2 blocks and welding them together is never going to be the cheapest or "best flowing" manifold IMO. It is a great way to make a dimensionally precise manifold with minimal tooling investment, but will have some very sharp vertical flow bends due to the inherent nature of the design. Motiv makes a great and proven product, but eventually someone will make a cheaper and better flowing, cast manifold. It will take more upfront cost to tool, though. This isn't Motiv's fault, just the nature of the beast. The question will be if a cast manifold is "significantly better flowing" or not compared to Motiv's well executed offering. We don't know that difference is until someone makes it. Also note that manifold pictured is of pretty poor design, but looks to be well made.

Where it's made has little bearing as to whether it fits well and lasts. A well designed part made from quality materials will always be that, regardless of where it's physically made. It is not that simple as to globally say China-made sucks and USA is always great. I can easily buy shitty parts made in both USA and country X. Our country does not provide any inherent quality control over parts manufactured here (nor does any country on earth).

It is tough to compete with the complex geometries you can cast when you have to machine them from billet blocks. You don't want to have a large Z height in your blocks to form larger radii bends because it just creates a ton of chips (waste) and that greatly adds to the cost of an already relatively expensive part.

Motiv's kit is very complete and has little competition, so they are allowed to charge what they desire for it. I think there is room on the market though for a cast manifold alternative.

[jonas]

I'm certainly glad to see others are eager to experiment like I am! I can't wait to see where we are a year from now!

[Torgus]

I want to hear more about why ballbearing turbos are needed on a twin turbo V8.

[robc1976]

Originally Posted by Allen@MOTIV

Our kit cones with way more than a manifold and turbo. Every single thing needed for install is included. The kits you are referring to are Chinese manufactured kits using hit or miss fitment and sometimes even utilize components without any brand of manufacturer anywhere to be found. An accurate comparison would be Heffner or APR or AMS' Alpha setups not a journal bearing turbo, cast iron manifold of questionable quality.


There are plenty of guys running DIY turbo setups and we love seeing those(we've tuned several) and in no way are we trying to stop people from doing that. Our goal is to offer a solution that is the absolute best that we can and we are doing just that.

damn right you are, also lets not forget about customer service. MOTIV Has been nothing but awesome to me in regards to customer service and support. A++

[robc1976]

Originally Posted by 135Pats

Best post in this thread?

Best post in this thread.

There's dozens of blown up RBs and VTT hybrids. Dozens of 'em.

And the relative lack of outright motor loss solely proves that this motor is very strong, an can handle a ton of load, advance, and torque down low. Doesn't change the fact that it's bad for the rotating assembly. 550WHP out of stock frames is nothing like 550WHP from a properly sized turbo setup in terms of the stress is puts on the motor. No free lunch.

+1000

[Dave W.]

Originally Posted by Torgus

I want to hear more about why ballbearing turbos are needed on a twin turbo V8.

OK let me take a deep breath before I explain.....
ah nevermind, I'm just going to relax on this rainy Sunday afternoon.
lets just watch this instead

[Torgus]

Originally Posted by Dave W.

OK let me take a deep breath before I explain.....
ah nevermind, I'm just going to relax on this rainy Sunday afternoon.
lets just watch this instead

I get why they exist and what they do but it isn't like journal bearing vs bb is night and day.

[Dave W.]

Originally Posted by Torgus

I get why they exist and what they do but it isn't like journal bearing vs bb is night and day.

did you not see the hampster? the hampster was on the wheel!

[Torgus]

Originally Posted by Dave W.

did you not see the hampster? the hampster was on the wheel!

It was a cute hampster.

[jonas]

All hamster jokes, and semantics aside, I do wish there was a lot more DIY stuff being done/made on this car. I've been following the guy making the custom manifold for his car, and seeing a few other things going on with the new record of 850+HP on a single turbo. So, clearly steps are being made...