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Vq25det M35 Stagea Turbo, I Need A New One

danwatt

By danwatt,
in Four Door Family & Wagoneers

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Dunc Mentor

Dunc

Posted
Posted
??? :D

Well they are special, the particular model isnt used in any other vehicle afaik? But, functionally, I didnt think they were any different to your stock standard turbo and wouldnt require any 'special' skillset to rebuild?

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andy65b Veteran

andy65b

Posted
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Well they are special, the particular model isnt used in any other vehicle afaik? But, functionally, I didnt think they were any different to your stock standard turbo and wouldnt require any 'special' skillset to rebuild?

I agree, no special skill set to rebuild BUT the advise you get is critical. I have spoken to so many people who say that a 30/76 would be great in the M35. Jetwreck is running a 30/71 in his car and his car has a lot of lag.

I just had mine rebuilt as a Sierra Stage 1 (compressor =43mm / Exhaust = 45mm) and this is almost perfect IMO. There is some lag but not an issue to drive around but it comes on strong and what is equally crucial is the question, Is this the last mod you want to do?

The reason I say this is because my injectors are at 100% duty cycle at 6800rpm (or maybe a tad higher), so any bigger turbo will mean you need to think about new injectors and piggy back ECU.

Cheers

Andy

PetroDola Proficient

PetroDola

Posted
Posted (edited)
I don't think there is a model number written on it... I can check tonight if needed.

I would be giving the turbo ONLY to someone who has done this turbo before as it is special.

yeah im of a totally different opinion there hey. whats so "special" about it ?

i need MTQ to assess what will suit as a high flow

and need to know whats written on the body to give them some gauge of what will suit.

just because others have done them before and tell you cant get them done elsewhere doesnt make it true!

bb hiflow is a hiflow if theyve got the technical skills to do it then its much of a muchness really.

ive hiflowed a much tighter unit and half the sized housing with a GT25 bordering a GT28 inlet .. and 30/70 is possible as craig has one. i really dont see the big deal as theres massive clearence for maching the housing and the replacement catridge.

if someone says otherwise that noone else can do it but us.. . theyre probably saying that to get the business.

my money is on either a GT30/70 or a 2860RS GT BB for $1465 as a hiflow at MTQ and im betting its just as good as GCG or others have done and cheaper too :D

Edited by PetroDola
scotty nm35 Grand Master

scotty nm35

Posted
Posted

MTQ down here told me to bugger off, as did most of the turbo joints. They had never seen one before and it would take them too long to jig up on the lathe, for the amount they would be doing.

andy65b Veteran

andy65b

Posted
Posted
you should be going bigger injectors if youre at 100%. youre running the risk of detonation and a craig 'situation'

It only gets to 100% duty cycle at over 7000rpm, not where I drive it on a regular basis.

Also that does not mean it is leaning out it just means the car is not as rich as the computer would like it to be.

I will put it on the dyno in the next couple of weeks and that will give me an idea what is going on.

zei20l Grand Master

zei20l

Posted
Posted

spray patterns and injector flow rates arent as good up in the high numbers. people dont upgrade to get more from the injectors, its so they can remain in the 'safe' area

anyway, get an adjustable FPR and up the pressure a little. youll squeeze some more out of them

PetroDola Proficient

PetroDola

Posted
Posted
And make it even richer down low perhaps?

Emanage... You know you want to. :D

I'm down for one if we can hide it properly!

can we make it look like a hitech amp in the boot ? lol

i can see it now..my emanage sitting on the passenger floor cables everywhere hanging from the dash, motorbike cop leaning in the window saying "well looky looky here then.. whats this all about?"

Dunc Mentor

Dunc

Posted
Posted
I'm down for one if we can hide it properly!

can we make it look like a hitech amp in the boot ? lol

i can see it now..my emanage sitting on the passenger floor cables everywhere hanging from the dash, motorbike cop leaning in the window saying "well looky looky here then.. whats this all about?"

They fit quite nicely beside the stock ECU actually :D

zei20l Grand Master

zei20l

Posted
Posted
i can see it now..my emanage sitting on the passenger floor cables everywhere hanging from the dash, motorbike cop leaning in the window saying "well looky looky here then.. whats this all about?"

hahahaha i had one double-sided taped next to my knee in my S15. cops would look at it and ask what it was, i mostly told them it was a mobile phone charger, thats what the USB port is for lol

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