Turbo / Audi experts, help me out
Turbo / Audi experts, help me out I understand the concept of twins. I believe that biturbo means something like a T3/T4 set up.
My buddy with an Audi keeps saying that his "biturbo" is sequential, but everything I've read leads me to believe that Audi's biturbo is just a twin kit...
My buddy with an Audi keeps saying that his "biturbo" is sequential, but everything I've read leads me to believe that Audi's biturbo is just a twin kit...
Which model Audi is it??
Last sequential setup I saw was the FD RX7 and Supra TT. And contrary to popular belief the supra did not use one small turbo and then a larger second. Everyone always says that....lol
Last sequential setup I saw was the FD RX7 and Supra TT. And contrary to popular belief the supra did not use one small turbo and then a larger second. Everyone always says that....lol
BTW, if its a V designed motor you can't run a sequential setup with one turbo running of one bank. It would have to be an inline setup or a very complicated arrangement in which the turbos are effectively seriesed.
Jose
Jose
It's that special S4 model... I forget the name but it has the fancy little badge and a v6 -- makes about 400hp according to him.
Hehe, I was going to bring up the Supra TT with the little and big turbo LOL. I coulda sworn the salesman told me that!
So to clarify my thinking... sequential turbo means one compressor feeds the next, right? Both have seperate exhaust side feeds?
Hehe, I was going to bring up the Supra TT with the little and big turbo LOL. I coulda sworn the salesman told me that!
So to clarify my thinking... sequential turbo means one compressor feeds the next, right? Both have seperate exhaust side feeds?
Essentially yes, the sequential setup is just air regulated to the turbines. On the Supra the first turbo is getting all the exhaust gases till around 4200rpms, then the secondary is opened an the exhaust gases then hit the 2nd turbo as well. BTW, both Supra turbos are CT-12's. They would be great for a small bike or 4 wheeler.... 
Jose
Jose
The S4 is what I posted above. Just a standard V6 with 2 small twin turbos for quick spool. The turbos run under normal exhaust gas operation, no tricky sequential systems used.
I own an S4 - its my daily driver.
like JZ 97 SS 1500 said.... V6 2.7L Twin Turbo K03's.
small turbos that have full boost before 3k rpm and carry that boost all the way to redline 7.5k with minor taper.
AWD
Heated leather seats
Bose surround sound
Navigation
like JZ 97 SS 1500 said.... V6 2.7L Twin Turbo K03's.
small turbos that have full boost before 3k rpm and carry that boost all the way to redline 7.5k with minor taper.
AWD
Heated leather seats
Bose surround sound
Navigation
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12 Second Truck Club
Joined: Feb 2002
Posts: 5,574
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From: Sacramento, CA
Bad *** lil cars!
My buddy has one and tried to chip it but within a week he was at the dealer. Something about the turbos and the chip stayed out after that. I believe he has been through a couple clutches and a tranny once. LOL
My buddy has one and tried to chip it but within a week he was at the dealer. Something about the turbos and the chip stayed out after that. I believe he has been through a couple clutches and a tranny once. LOL
My buddy is chipped and has the big exhaust kit. He keeps talking about the K04 upgrades but is on a pretty short leash.
Isn't there a "sport" verison of the S4? His looks different in the back than the ones above -- it has a fancy shmancy badge with red blue and white on it I think.
Isn't there a "sport" verison of the S4? His looks different in the back than the ones above -- it has a fancy shmancy badge with red blue and white on it I think.
Originally Posted by TurboBerserker
Isn't there a "sport" verison of the S4? His looks different in the back than the ones above -- it has a fancy shmancy badge with red blue and white on it I think.
maximum output of 420 bhp, the V8 revs up to a speed of 8250 rpm
we do have the RS6 here tho..
4.2L V-8 450HP
the newer 2003+ S4's are V8
Teching In
Joined: May 2003
Posts: 49
Likes: 0
From: harbor springs, mi. glen echo, md.
Originally Posted by ferariguy3
The RS4 of that era has twin KO4s and produces about 380HP...the only problem is, it only comes in a wagon...But that sucker moves!!!!
i loved mine old one. 