Has anyone fitted the VNT turbo to their def engine?
- Thread starter lynall
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+1, not that I can afford it but I also wonder this. Also, do any bigger turbos from other cars fit?
That's true.
ok, I wonder if any vnt turbos from other cars will fit a 300.
I have a vnt in my car, but the vanes are stuck, worse turbo lag than my 90!
cornish rattler
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Not sure but i have herd they fook engines for fun but a gas flowed head is better than a VNT 
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but a gas flowed head is better than a VNT
I would have to see some figures to believe that bearing in mind its a pressurised engine so whilst you may be able to improve the air flow on a rig I seriously doubt it would make any significant difference in the real world
TheJoker
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Which engine do you have? I've heard that for my engine, the TD5, the first thing to do when wanting more power is to install a larger intercooler. Then to chip it. I'd guess a different turbo would be next up after that. Assuming that intake and exhaust are capable of blowing more air through the system.
Loz123
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I thought the 200tdi "refinement" to make the 300 was little things like improving flow through the head, amongst other things...
I phoned a reputable aluminium sport intercooler manufacturer
the other day, regarding their uprated intercooler and the VNT turbo... So asked about gas flowing the head, and they seem to think that it doesn't really make a difference... He did mention "blue-printing" the manifolds to the head though, which is something you could do @home, by making sure there is no lip/ledge where the manifolds meet the head.Just my 5p's worth...
Which engine do you have? I've heard that for my engine, the TD5, the first thing to do when wanting more power is to install a larger intercooler. Then to chip it. I'd guess a different turbo would be next up after that. Assuming that intake and exhaust are capable of blowing more air through the system.
Its a bit of a myth that larger coolers on their own make more power, its extra fuel that makes power and the larger cooler keeps the temps down.
So I would chip it first then go for the cooler, you can get real good power out of the td5, but they still have crap turbo lag, if its an auto be careful as they can only handle so much.
I thought the 200tdi "refinement" to make the 300 was little things like improving flow through the head, amongst other things...
I phoned a reputable aluminium sport intercooler manufacturer
Just my 5p's worth...
Strange you should mention that as Ive just bought a whole def 200tdi drivetrain and am going to rebuild the engine before fitting it and I was thinking of matching the manifolds more out of curio than anything else.
TheJoker
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I should have been more clear, a larger intercooler doesn't bring more power, but I've been lead to believe that the standard intercooler is pretty much maxed out with the standard injection and turbo settings. So if you'd chip it first, you'd reach the ceiling quite quickly.
My engine is standard, so I've got no experience, but if I want more power, I'd first put a new intercooler on, then chip it
I ran my tuned td5 disco manual on std cooler for a few years before fitting a full size cooler, it made zero difference to power delivery!
Car was tuned highly by td5alive, boost pressure up over 20psi went well, still had **** turbo lag though.
Car was tuned highly by td5alive, boost pressure up over 20psi went well, still had **** turbo lag though.
