|
|
Joined: Mar 2001
Posts: 1,860
Hard-core CEG\'er
|
Hard-core CEG\'er
Joined: Mar 2001
Posts: 1,860 |
Actually you want the turbine housing hot before a 1/4 mile run. The hotter air spins the assembly faster giving substantially more torque and faster spin time.
2001 Lincoln LS8
1994 Lexus GS300
|
|
|
|
|
Joined: Dec 2002
Posts: 3,887
Hard-core CEG'er
|
|
Hard-core CEG'er
Joined: Dec 2002
Posts: 3,887 |
Originally posted by ZetecNinja:
I know I'm late but is a blowoff valve not the sweetest damn sound a car can make 
Not quite...The sound of a heavily boosted turbo car/truck pulling hard through the powerband. That by far is the most addicting sound I have ever heard come out of a vehicle. And I get to hear that everyday 
06 GMC Sierra 2500HD Dmax/ally
06 Pontiac G6 GT
05 CRF250R
FOR SALE 06 KX65 with riding gear $2700 obo
|
|
|
|
|
Joined: May 2003
Posts: 495
CEG\'er
|
|
CEG\'er
Joined: May 2003
Posts: 495 |
2000 Rio Red I4 Cougar
200whp & 210wtq at 9psi
254whp & 276wtq with NX 35shot
WRX TD04 Turbo, Cut Short Shifter, Strut Tower Bar, 17" ZN Wheels, Roush Springs, Starion Intercooler, NX 35 shot, HKS SS BOV, Full 3" exhaust,StreetFlight Chip
|
|
|
|
|
Joined: Dec 2002
Posts: 3,887
Hard-core CEG'er
|
|
Hard-core CEG'er
Joined: Dec 2002
Posts: 3,887 |
Originally posted by Seawulf:
http://www.axs4u.net/home/louiem/CougarExhaust.WMV
Me too.  
Is it me or the video...but does the blow off always flutter like that? ON my 323GTX I hooked up an external BOV and I hooked up the vaccuum lines wrong at first and mine sounded just like that. After disconnecting one line it blew off properly. Maybe it's just me 
06 GMC Sierra 2500HD Dmax/ally
06 Pontiac G6 GT
05 CRF250R
FOR SALE 06 KX65 with riding gear $2700 obo
|
|
|
|
|
Joined: May 2003
Posts: 495
CEG\'er
|
|
CEG\'er
Joined: May 2003
Posts: 495 |
It flutters like that under mild boost. It only has one vacume line also. It only makes the nice high pitched whisle under boost greater than 5psi.
2000 Rio Red I4 Cougar
200whp & 210wtq at 9psi
254whp & 276wtq with NX 35shot
WRX TD04 Turbo, Cut Short Shifter, Strut Tower Bar, 17" ZN Wheels, Roush Springs, Starion Intercooler, NX 35 shot, HKS SS BOV, Full 3" exhaust,StreetFlight Chip
|
|
|
|
|
Joined: Dec 2002
Posts: 3,887
Hard-core CEG'er
|
|
Hard-core CEG'er
Joined: Dec 2002
Posts: 3,887 |
OK yeah i was running about 6-8psi which was stock for my car...Now I got yah Your turbo setup has been giving me dumb ideas 
06 GMC Sierra 2500HD Dmax/ally
06 Pontiac G6 GT
05 CRF250R
FOR SALE 06 KX65 with riding gear $2700 obo
|
|
|
|
|
Joined: Feb 2004
Posts: 4
Newbie
|
|
Newbie
Joined: Feb 2004
Posts: 4 |
Originally posted by XxColdAzFireXx:
ok....i have been grossly misinformed by many sources. I'm sorry to all you turbo and supercharger people. i'm not saying that turbochargers are bad, in fact, i'm very impressed by the output they have made on the WRX, Evos, SRT-4(i know dodge is american), and supras, RX-7. but for a 17 y/o pure bread american, turbos just aren't my thing, and don't say that i must not like power and speed, cuz i love power, i love the neck wrenching u get from 318 lbs-tq. I love the feeling of 300 hp under the hood of a car. but i have been grossly misinformed by performance stores, websites, and this site(ref. the shaft of the vortech). i have gone back and done some research into an area where i am already somewhat familiar. Turbochargers are great at higher altitudes and they do have other advantages. but the biggest disadvantage will still being an advantage, is that they use the exhaust. and exhaust creates a termendous amount of heat. and heat is not the friend of an engine. but again, i'm sorry to those i offended. i've been grossly misinformed.
Welcome to class: Today we are going to NOT believe EVERYTHING on the internet and head out to the Public Library for some old fashion research and reading.
Even in reference books you will need to see past the opinion of the author and see the facts for what they really are.
If your really interested in becoming more educated about FI, I may suggest starting with some books written by Corky Bell.
Even in certain circles you can be corrupted and misled by opinions of engin builders and racers.
|
|
|
|
|
Joined: Feb 2004
Posts: 4
Newbie
|
|
Newbie
Joined: Feb 2004
Posts: 4 |
Originally posted by Keyser:
Actually you want the turbine housing hot before a 1/4 mile run. The hotter air spins the assembly faster giving substantially more torque and faster spin time.
This is absolutely TRUE.
I ALWAYS run better times if I can hotlap. This keeps the pipes hot and air moving through the intercooler to prevent heatsoak.
There are other factors such as tire temps and so on that also benefit from hotlapin.
But with a turbo, heat is very very very important. Night and day difference in performance from EGT's at 600-700 and 1000-1100. Go figure! 
|
|
|
|
|
Joined: Sep 2000
Posts: 3,223
"Absolut Rara."
|
|
"Absolut Rara."
Joined: Sep 2000
Posts: 3,223 |
Originally posted by XxColdAzFireXx:
ok....i have been grossly misinformed by many sources. I'm sorry to all you turbo and supercharger people. i'm not saying that turbochargers are bad, in fact, i'm very impressed by the output they have made on the WRX, Evos, SRT-4(i know dodge is american), and supras, RX-7. but for a 17 y/o pure bread american, turbos just aren't my thing, and don't say that i must not like power and speed, cuz i love power, i love the neck wrenching u get from 318 lbs-tq. I love the feeling of 300 hp under the hood of a car. but i have been grossly misinformed by performance stores, websites, and this site(ref. the shaft of the vortech). i have gone back and done some research into an area where i am already somewhat familiar. Turbochargers are great at higher altitudes and they do have other advantages. but the biggest disadvantage will still being an advantage, is that they use the exhaust. and exhaust creates a termendous amount of heat. and heat is not the friend of an engine. but again, i'm sorry to those i offended. i've been grossly misinformed.
Ignorance is bliss I guess. Others say this is a gutsy post; I say its a cop out.
Your comments about heat and turbochargers are still quite confused. The heat present in the exhaust is there whether you use a turbo or not, its more related to the amount of power output than anything else. A turbo uses the heat and kinetic energy in the exhaust flow (waste energy that normally flows right out the tailpipe) to spin the turbine, transforming the waste energy right back into a useful form. The only additional heat issues related to the turbine side of the turbo is simply the fact that there is more surface area to the exhaust system that you have to be careful of.
On the intake side, many claim that intercoolers are required for turbos because of the added heat from the turbine side of the turbo. This is largely untrue. Very little heat is transferred through the center section of the turbo which is always cooled and lubricated by oil, as well as often cooled by the water from the engine cooling system.
The reason intercoolers are often present in turbocharged engine systems is due to the fact that air heats up as you compress it, no ifs ands or buts about it. The reason intercoolers aren't present on most aftermarket supercharger kits is simply for cost and complexity reasons, certainly not for performance, as a supercharger would benefit just as much from an intercooler as a turbo at the same boost pressure.
|
|
|
|
|
Joined: Aug 2001
Posts: 5,810
Hard-core CEG'er
|
|
Hard-core CEG'er
Joined: Aug 2001
Posts: 5,810 |
Yeah, go get them! 
Former owner of '99 CSVT - Silver #222/2760
356/334 wHP/TQ at 10psi on pump gas!
See My Mods
'05 Volvo S40 Turbo 5 AWD with 6spd, Passion Red
'06 Mazda5 Touring, 5spd,MTX, Black
|
|
|
|
|
