What is the lag like? How much is the turbo? Do you need a custom exhaust manny?

the lag isnt much of a difference from my stock turbo. Im using the same manifold, but it is ported. The whole kit cost me 300 bucks and they installed it for free. The turbo and everything are all brand new. They also but one of these bad boys on a supra. I attached a few pics of the supra..

the lag isnt much of a difference from my stock turbo. Im using the same manifold, but it is ported. The whole kit cost me 300 bucks and they installed it for free. The turbo and everything are all brand new. They also but one of these bad boys on a supra. I attached a few pics of the supra..

This belongs in the extreme tuner forum???? I have to call BS on this one. Stock Cummins Holset turbos are 10 CM housings (makes sense right, since they are 5.9 liter engines). Your wish list includes a CAI, a BOV and 18" wheels and this is the first mod you do to your car? Right....

Originally posted by 2-0turbo
This belongs in the extreme tuner forum???? I have to call BS on this one. Stock Cummins Holset turbos are 10 CM housings (makes sense right, since they are 5.9 liter engines). Your wish list includes a CAI, a BOV and 18" wheels and this is the first mod you do to your car? Right....

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i agree, not extreme, and prolly BS. lets see some REAL pics.

Originally posted by Spooledyou
I They also threw on a porsche bov.

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It is better than a 1g BOV? If so It cost less than a tial BOV even though it says porsche on it?

I have porsche valve stem cores in my wheels.

Worth two tenths of a sec in the 1/4/ :laugh:

Well i hate to burst ya'll's bubble, but i got a good deal on this mod and thought the other things could wait. $300 bucks was what it took. They fabed it up and everything. But it isnt bs, i dont have any reason to lie. But anyway dont be jealous because your stuck with your stock turbo's...

Hey when all we se is it on the 5.9's manifold we don't know what to think.

Do installed pics and put it in the gallery. Maybe you have something new?'

But if you have a HK$ BOV in your mods why the porsche one?

I tend to agree with the "BS factor" of this post... Post some pictures and I will move back it to performance forum.

But ether way, this is hardly "extreme tuner".

Leon
RR

if you did its hottt

a 10cm2 wheel and no lag, ok buddy.

did they make you a custom intake pipe 2? , or did u just use ths dodge diesel truck one?

Well just to let everyone know, not that I am agree'ing but hes not lying about one thing, the supra. That is a MK3 (86.5-92) turbo supra manifold. I know as I have an MK2 with a MK3 turbo settup...


Im also not positive on the type of turbo that the cummins use exactly but I know that Holset has been known to produce some VATN variants of its own. They are called VGT (variable geometry turbo), and its basically the same thing as a VATN just not as advanced. These turbos use a axially sliding ring nozzle that varies the velocity of the exhaust gasses entering the turbine housing, the constant alteration in the geometry of the turbo obviously allows for the A/R to alter and gives AWESOME response almost no lag and great topend. Anyhow I dont know how they perform as the majority are designed for diesels and I still cant imagine having good results putting one on a DSM.

Lets see pics


Austin

Those trucks push around 30 psi, under normal driving. Ill believe when I see it

<--Calls BS.

Umm why and BS

I heard of VATN turbo too, great response and great top end. How big is that turbo anyways, like a 20g turbo? Spooledyou post some pics of that turbo on your car please. If it's true it would be a awsome upgrade.

Its not a certain size, its a concept/design of a turbo...meanign there can be almost infinite sizes

I will believe it when I see it..

Anything is possible.

Wheres that bs flag!

he might of spooled you but im not spooled

Lets see,he wrote than on the 4th.It should be close to spooling today.Dude,i'm a used car salesman and i couldnt come up with a line to magnitude of that kinda BS.i've drove several cummins powered trucks and they dont spool all that well.I would imagine your stocker 2.0's exhaust signal could really get it going.NOT.My vote---BS.Oh,by the way,those porshe BOV's are junk and wont hold past 14lbs-nice add on.

pics?

Originally posted by candela
Its not a certain size, its a concept/design of a turbo...meanign there can be almost infinite sizes

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Sry my post is not clear. I meant to ask how big is a Ram 3500 diesel engine's turbo? Bigger than a 20g?

BTW i've found this article on http://www.heavydutytrucking.com/2002/01/034a0201.asp

Cummins' chief technical officer John Wall both differs and agrees on the issue of VGT complexity. Cummins is using a unique Holset VGT turbo that might be described as a variable-area turbocharger. The patented design moves one wall of the turbocharger exhaust chamber to squeeze down or open up the exhaust passages between the vanes, varying the speed of the exhaust as it impinges on the turbine wheel. This varies the backpressure without loss of efficiency and makes the device elegantly simple. Wall points out that this turbo design has been in use on a European Iveco engine for several years with excellent results and no durability issues.
Competing VGT designs are anything but simple, Wall says. Because of the Holset patent, other VGTs use variableÐvane turbos. In these, the vanes that direct the exhaust within the turbine housing swing to adjust the cross-sectional area that the exhaust must flow through and at the same time vary the angle that it impinges on the turbine wheel. They do a good job, but where the Holset design has a single moving member, these turbos have many and all in the hot exhaust flow.
It is a discussion that will be played out in the field, because the swing-vane VGT is being used in both the Detroit Diesel and Mack cooled EGR engines.
Whatever the relative complexity of the turbos, there is undoubtedly additional componentry on these engines in the shape of the control valves that vary the amount of exhaust gas according to the demands on the engine.
While the valves are relatively simple, they do add to the overall packaging of the EGR engines and their control adds to the demands on the engine electronic control unit. So all manufacturers of the new EGR engines have new-generation electronic controllers to handle the highly complex balancing act of air, fuel and EGR ratio over the engine speed and load range.

So my question is do we need a seperate cpu to control the turbo? or is the vanes exhaust gas regulated?

Spooledyou, if you're not bsing, please give some info.