Supercharged 200tdi

Dr_evil · May 16, 2012

chunkymunky said:
Hmmm me likey.

So how would all the piping run?

As you can tell I am not so knowledgeable.

Possibly with a disco gearbox for the higher gearing perchance.

As far as I can tell it would be straight from air intake to the engine as you dont need an intercooler with some superchargers due to them not superheating the air like turbos.
Then again it could always go through the intercooler like the turbo does in which case you might see added performance as the air would be cooler than turbo charged air. Either way I want to do this to mine now

chunkymunky · May 16, 2012

Could you use a small supercharger fed into a big turbo?

So no turbo lag. Maybe use a non return attachment so and feed into original turbo intake.

gazdav · May 16, 2012

chunkymunky said:
Hmmm me likey.

So how would all the piping run?

As you can tell I am not so knowledgeable.

Possibly with a disco gearbox for the higher gearing perchance.

Hmm I would remove the viscous fan and run it through there.
I would also use the aircon mount to put it on.
Getting a belt to run it on may prove interesting but Posable use the serpentine belt, just extending its size.
Then you would need an exhaust manifold made up as the old one would not help with the turbo attached to it.

Dr_evil · May 16, 2012

chunkymunky said:
Could you use a small supercharger fed into a big turbo?

So no turbo lag. Maybe use a non return attachment so and feed into original turbo intake.

I'd say you'd be better fitting a twin turbo if you didnt want lag but with a supercharger theres no lag. The charger is belt driven not exhaust driven so as soon as the engine turns faster the charger turns faster so its instant, I for one prefer superchargers as I think they sound nicer and look cooler so would prefer to do away with the turbo

gazdav · May 16, 2012

chunkymunky said:
Could you use a small supercharger fed into a big turbo?

So no turbo lag. Maybe use a non return attachment so and feed into original turbo intake.

No point as the supercharger itself has no turbo lag and can give just as much extra power

thought it was mine! · May 16, 2012

gazdav said:
No point as the supercharger itself has no turbo lag and can give just as much extra power

yes but it does take power from the engine needs power to make power so no free horse power.

chunkymunky · May 16, 2012

Hmmm sounds pretty good. Theres several vids on utube of racing ones
Or is that v8's

jamesmartin · May 16, 2012

Dr_evil said:
I'd say you'd be better fitting a twin turbo if you didnt want lag but with a supercharger theres no lag. The charger is belt driven not exhaust driven so as soon as the engine turns faster the charger turns faster so its instant, I for one prefer superchargers as I think they sound nicer and look cooler so would prefer to do away with the turbo

they are but dont use all that wasted energy,as multiple turbos do

Dr_evil · May 16, 2012

jamesmartin said:
they are but dont use all that wasted energy,as multiple turbos do

yeah thats one of the benefits with the turbo as you use energy that would otherwise go to waste

gazdav · May 16, 2012

thought it was mine! said:
yes but it does take power from the engine needs power to make power so no free horse power.

As dr evil said the power is given as the engine revs up as it is run off the crank not exhaust gas presure that takes time to build up which is where turbo lag comes from.

jamesmartin · May 16, 2012

allways fancied a 3.5 with a supercharger

chunkymunky · May 16, 2012

Do it, do it,do it.

thought it was mine! · May 16, 2012

that why twin turbo engines better small turbo for low revs bigger turbo for the umph and all off waste gases cooler the air in the better big intercooler with two turbos less turbo lag. Feel free to correct me if wrong james.supercharge take hp to power before it gives back being belt driven

jamesmartin · May 16, 2012

thought it was mine! said:
that why twin turbo engines better small turbo for low revs bigger turbo for the umph and all off waste gases cooler the air in the better big intercooler with two turbos less turbo lag. Feel free to correct me if wrong james.supercharge take hp to power before it gives back being belt driven

spot on ,

thought it was mine! · May 16, 2012

jamesmartin said:
spot on ,

well thank you kind sir

Dr_evil · May 17, 2012

Right noblets, as an update I'm bidding on a supercharger off a mini cooper as its complete with pipework I'll just have to fabricate the outlet manifold as I have a welder again

No idea on flow rate of this but I assume it wont be that high given its a tiny thing but I can always change the pulley over to a larger one and gear it down.
So if I win it I'll be attempting to fit it, theres a breaker 300tdi down the road so I'll be buying the exhaust manifold off that and welding the turbo port up so that'll get swapped over with the current one. Mount wise I'm thinking that it might be a good idea to fabricate one that seats it near the viscous fan mount seeing as I've removed it and put a leccy one in its place

strange_days · May 17, 2012

Dr_evil said:
Right noblets, as an update I'm bidding on a supercharger off a mini cooper as its complete with pipework I'll just have to fabricate the outlet manifold as I have a welder again No idea on flow rate of this but I assume it wont be that high given its a tiny thing but I can always change the pulley over to a larger one and gear it down.
So if I win it I'll be attempting to fit it, theres a breaker 300tdi down the road so I'll be buying the exhaust manifold off that and welding the turbo port up so that'll get swapped over with the current one. Mount wise I'm thinking that it might be a good idea to fabricate one that seats it near the viscous fan mount seeing as I've removed it and put a leccy one in its place

Quality mate.

What sort of boost you thinking of running? Would you want to consider strengthening some of the engine internals? I guess not if it's more for show than go?

Dr_evil · May 17, 2012

No idea boost wise, I'd like to keep it low though given that he turbo isn't exactly high

Internal wise though maybe a new crank etc when I have the time/money to dismantle and rebuild the engine but for now it can stay as is with low boost

SpringDon · May 17, 2012

thought it was mine! said:
that why twin turbo engines better small turbo for low revs bigger turbo for the umph and all off waste gases cooler the air in the better big intercooler with two turbos less turbo lag. Feel free to correct me if wrong james.supercharge take hp to power before it gives back being belt driven

But there's no lag at all with a supercharger and with oodles of power, why worry about a few to run the pump.
My mate had a supercharged z1000 which I thought way better than my turboed gs because of the way the power came in.

strange_days · May 17, 2012

thought it was mine! said:
that why twin turbo engines better small turbo for low revs bigger turbo for the umph and all off waste gases cooler the air in the better big intercooler with two turbos less turbo lag. Feel free to correct me if wrong james.supercharge take hp to power before it gives back being belt driven

Depends on the application

If you want less lag and early boost you could run sequential twin turbos like on an FD3S RX7
If you want more power and dont' mind a bit of lag, just get a big turbo
If you want 0 lag and have the space, and dont' mind a little bit of torque loss from the engine driving the unit, stick a supercharger in

Supercharged 200tdi

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