Is THIS a sequential turbo setup?

[Defiant]

Cripes. Regular bench racing isn't enough, now we have to do it with twin turbos.

 

[DSMJim]

BorgWarner makes that setup. Unless your on Diesel and wanting to run 60psi of boost don't bother.

 

[thekellbeast]

Wasn't there someone on here looking to build up a 2.4 or 2.6 diesel for a DSM? I'm pretty sure it was MNGSX or something... I dunno though.

 

[Defiant]

Wasn't there someone on here looking to build up a 2.4 or 2.6 diesel for a DSM? I'm pretty sure it was MNGSX or something... I dunno though.

It was Morpheus. He's back in, they're adjusting the amperage on the treatments. He'll be back to his old self in no time.

 

[RATT]

So you would need two diffrent wastegates for a compound setup (diesel) or would you just have one wastegate on the last turbo??

 

[DSMvroom]

what about a supercharger/turbo setup?

I mean wouldt the supercharger help destroy trubo lag as well as help produce high end power with the turbo?

 

[thekellbeast]

Back in the old days, they used to use roots-style blowers on the exhaust side of 2-stroke diesels to help with scavenging. Then they put a turbo after that. I would imagine that a blower, blowing directly into a turbo would help spoolup. But it's probably not something you want to run on a gasonline engine.

If you put the blower on the intake side, and also a turbo, it has been done. It's very complicated, and the last I heard, the two DSM shops that were making them couldn't get them tuned.

 

[NewB2dsm]

A sequential setup is where two turbos of different trims are used in tadem. The smaller turbo is used for low-mid and a slighty larger one for mid-high. The setup you displayed would heat up charge air so high you that you would need an intercooler of immense proportions . MKIV Supra's, Z32's(300zxTT), and 3rd gen RX7's all come with this setup stock. I dunno if the 3000GT VR4 has a sequential setup.

supras are sequental but not due to turbo sizing, they are both the same size just the pluming keeps one from coming online sooner.

Also 300zxTT is not swquental!!!

 

[neuro]

what about a supercharger/turbo setup?

I mean wouldt the supercharger help destroy trubo lag as well as help produce high end power with the turbo?

If done right, yes. This has been done by HKS on the MK1 supercharged MR2. HKS called it the "Twincharger" setup. See this link for pix and data on the car/setup. Off idle/low boost is handled by the SC, while high boost is handled by the turbo. HKS quit making this setup years ago.

 

[ballagsx]

back in the mid 80s lancia made the s4 to compete in the group b rallys. it used a turbo and a supercharger togeather on an engine slightly smaller than a 1.8. sory i couldnt find a better picture.

 

[neuro]

back in the mid 80s lancia made the s4 to compete in the group b rallys. it used a turbo and a supercharger togeather on an engine slightly smaller than a 1.8. sory i couldnt find a better picture.

Ah yes, the Lancia Delta Integrale S4, the car that essentially ended Group B rallying due to the accidental death of Henri Toivonen while driving the S4 in Corsica in 1986. The S4 had around 500BHP from 1.8 liters (1759cc) with an Abarth supercharger, a KKK turbo and two intercoolers and could accelerate from 0-60 in 2.3 seconds ON GRAVEL. Toivonen took the S4 for a few hot laps around Estoril, the Portuguese GP circuit in early 86. The car would have qualified sixth for the 1986 Portuguese Grand Prix!

Group B was also responsible for introducing AWD to rallying with the Audi Quattro in 1982. Group B was also the reason behind Porsche's development of the 959, but by the time it was ready, Group B was no more and the 959 went on to run the Paris-Dakar instead.

Today's WRC cars, while still intense, pale in comparison to the Group B cars of the 80's.

 

[char]

omfg...100psi!!!!!

yeah man and diesel injectors squirt at around 28000 psi

 

[damax03]

Back in the old days, they used to use roots-style blowers on the exhaust side of 2-stroke diesels to help with scavenging. Then they put a turbo after that. I would imagine that a blower, blowing directly into a turbo would help spoolup. But it's probably not something you want to run on a gasonline engine.

If you put the blower on the intake side, and also a turbo, it has been done. It's very complicated, and the last I heard, the two DSM shops that were making them couldn't get them tuned.

Actually the blower is on the intake side. I have rebuilt the old Detroit 2-stroke motors a few times at school. They use the blower in order to run. The blower is there to supply fresh air and does not add power. A two stroke Detroit can not run without that blower. Then obviously they add the turbo for extra power (some didn't get one, WEAK). You can still find these engines powering barges and many CTA buses in Chicago. They are some of the meanest stock engines I have heard. A V8 with 8 powerstrokes per revolution vs 4 power strokes per revolution, freakin awesome. At 1800 MAX rpm they sound like they are spinning 8 grand. It is a very powerful and one of the most rev happy diesels I have ever worked on. Dont try doin a tuneup on one though, takes a really experienced tech 8 hours. EVERYTHING on most of them is purely mechanical linkages including all 8 fuel injectors.

 

[RATT]

wouldnt the two turbos both have wastegates on a compound setup? Or would the last one have the wastegate and the first not. I think that would cause boost problems if both didnt have a wastegate or would it?

 

[Defiant]

Actually the blower is on the intake side. I have rebuilt the old Detroit 2-stroke motors a few times at school. They use the blower in order to run. The blower is there to supply fresh air and does not add power.

And to scavenge the exhaust (yeh, same thing).

 

[yoshimitsuspeed]

Im suprised no one has developed a motorized turbo: when the gas is pressed a small motor spins up the turbo to speed and then the exhaust can take over[/QUOTE]

There's something better, It's called an anti lag system. WRC cars run these, from what I know you inject something flammable or highly expandable under heat into the manifold when you let off the gas. This keeps the turbo spooled up when they are coming into the corner and when they hit the gas on the way out they are already pushing full boost. It sounds bad ass too
Oh yeah if you are going to use an electric motor that has the capability to run your turbo then why not remove it from the exhaust system completly? It would run a little cooler.

 

[TD05HTalon]

hahah, yeah deffinatly im nto gonna try anything unknown... but hows THIS for an idea , (this seems like something that woudl be done to honduhs, bling bling) ok if one could find very small turbos, , and then youcould have QUAD TURBOs... haha like each trubo would be piped so that each exhaust stroke would power a turbo to feed the intake stroke... this is of course the most convoluted thing ever, but it woudl be funny to see still i totaly agree that a single turbo is best

There's a V8 car somewhere on the web built by a shop with 8 turbos. the car is for show but still puts out around 800 horsepower. it has all 8 turbos with these insane looking headers with everything polished or powdercoated red. it was built just to say they did it.

 

[RATT]

would a compound setup need two wastegates?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????.,............................................!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

 

[leakyfaucet]

i don't understand why ghey ass topics like this come up for DSMS when it would take way to much money to actually do a twin parallel turbo setup on a DSM, whne there are proven/cheaper/easier turbo upgrade paths. when was the last time you heard of the Audi TT beign a tuner car?

Your post isn't relevant. Audi TTs don't have two turbochargers.

 

[kpt4321]

would a compound setup need two wastegates?????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????.,............................................!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

Hey assclown, thanks for using lots of punctuation and ####ing up the formatting of this whole thread.

I was going to answer your question, but I decided not to. You're just going to have to figure it out for yourself.