Notices
944 Turbo and Turbo-S Forum 1982-1991
Sponsored by:
Sponsored by: Clore Automotive

Turbocharger VS Supercharger

Thread Tools
 
Search this Thread
 
Old 02-21-2013, 09:44 PM
  #16  
TurboTommy
Rennlist Member
 
TurboTommy's Avatar
 
Join Date: Oct 2003
Location: Ontario, Canada
Posts: 1,589
Likes: 0
Received 1 Like on 1 Post
Default

To the OP;
like others here have said, it would be insane to change everything. You've got a turbo plumbed engine. Work with that and challenge yourself to make it into your desired outcome. That's another beauty with turboed engines: you have a fairly wide range of achievable powerband characteristics.
Old 02-21-2013, 11:10 PM
  #17  
CyCloNe!
Rennlist Member
Thread Starter
 
CyCloNe!'s Avatar
 
Join Date: Dec 2009
Location: Chesapeake, VA 23322
Posts: 4,124
Received 124 Likes on 105 Posts
Default

I just like tinkering thats all, its not about gains for the most part more about having fun with the car and seeing what fits me best. Honestly most people who get in my car say its fast enough, guess since I'm driving the stomach doesn't drop as much as the passenger. I've never owned a supercharged car so I was curious about how it would compare.
Old 02-22-2013, 01:35 AM
  #18  
Dubai944
Rennlist Member
 
Dubai944's Avatar
 
Join Date: Jun 2008
Location: Sunshine Coast, Australia
Posts: 813
Received 12 Likes on 5 Posts
Default

Your curiosity will cost you more with the supercharger than with the turbo
Old 02-22-2013, 01:55 AM
  #19  
V2Rocket
Rainman
Rennlist Member
 
V2Rocket's Avatar
 
Join Date: Jan 2007
Location: Nashville, TN
Posts: 45,595
Received 664 Likes on 517 Posts
Default

+1 for 'both'
Old 02-22-2013, 02:52 AM
  #20  
admiralkhole
Burning Brakes
 
admiralkhole's Avatar
 
Join Date: Oct 2012
Posts: 1,044
Likes: 0
Received 2 Likes on 2 Posts
Default

Ever consider a twin-screw? If I were to go super, that's the only route I'd consider.
Old 02-22-2013, 06:50 AM
  #21  
Dubai944
Rennlist Member
 
Dubai944's Avatar
 
Join Date: Jun 2008
Location: Sunshine Coast, Australia
Posts: 813
Received 12 Likes on 5 Posts
Default

Originally Posted by TurboTommy
With your aggressive cams, how do you keep your hard earned (crankshaft power) boost pressure from flowing right out through a free-flowing exhaust (I agree it's silly to purposely have a restrictive exhaust).
Well its airflow thats important not boost pressure. A belt driven supercharger pumps whatever its sized for. Decreasing restriction in the system just allows air to flow more easily. Boost on the gauge will drop but more airflow means more power. Anything that improves flow is good including bigger cams if they are matched to the rest of the engine. My engine is currently making 362 whp on a dynodynamics dyno with only 9 pounds of manifold boost, but obviously there is plenty of airflow.
Old 02-22-2013, 10:40 AM
  #22  
odurandina
Team Owner
 
odurandina's Avatar
 
Join Date: Oct 2009
Location: one thousand, five hundred miles north of Ft. Lauderdale for the summer.
Posts: 28,705
Received 213 Likes on 153 Posts
Default

one method makes tons power, but does it while maintainging good fuel economy. works almost like having nitrous oxide full time. turns a 2.5 litre into a super-fun driving machine.... turns a 3.0 P-car engine into the stuff of legend.

the other method overheats your engine, burns 3 times as much gas and adds 11.3 % more power.

that is - until it goes BOOM!!, disintegrates and destroys your engine (which is usually, about a week or two after install).
Old 02-23-2013, 01:48 AM
  #23  
Dubai944
Rennlist Member
 
Dubai944's Avatar
 
Join Date: Jun 2008
Location: Sunshine Coast, Australia
Posts: 813
Received 12 Likes on 5 Posts
Default

^^ Certainly a lot of hard facts and science in that assessment. But I still don't know which method is which?
Old 02-23-2013, 02:08 AM
  #24  
Black51
Three Wheelin'
 
Black51's Avatar
 
Join Date: May 2010
Location: Edmonton, AB
Posts: 1,956
Likes: 0
Received 9 Likes on 8 Posts
Default

Originally Posted by odurandina
one method makes tons power, but does it while maintainging good fuel economy. works almost like having nitrous oxide full time. turns a 2.5 litre into a super-fun driving machine.... turns a 3.0 P-car engine into the stuff of legend.

the other method overheats your engine, burns 3 times as much gas and adds 11.3 % more power.

that is - until it goes BOOM!!, disintegrates and destroys your engine (which is usually, about a week or two after install).
Why would the engine go boom?

Call me crazy, but usually the reason the engine goes boom is because something wasn't done right; be it the build, tune, boost, ect. We've all heard of horror stories from big horsepower 3.0Ls, all the way down to stock 2.5L daily drivers.

Supercharging is just as risky, so is an N/A build if it's done wrong. I could find you dozens of LSx builds gone awry, but I'm sure you've heard of some already.

It all comes down to things being done right or not.
Old 02-23-2013, 07:57 AM
  #25  
Dubai944
Rennlist Member
 
Dubai944's Avatar
 
Join Date: Jun 2008
Location: Sunshine Coast, Australia
Posts: 813
Received 12 Likes on 5 Posts
Default

Originally Posted by odurandina
that is - until it goes BOOM!!, disintegrates and destroys your engine (which is usually, about a week or two after install).
This from another thread, now it all makes sense.....

Originally Posted by odurandina
btw, when i blew my engine, i was running about 125 mph on I-10 when all of a sudden i remembered the oil.
Old 02-23-2013, 08:34 PM
  #26  
odurandina
Team Owner
 
odurandina's Avatar
 
Join Date: Oct 2009
Location: one thousand, five hundred miles north of Ft. Lauderdale for the summer.
Posts: 28,705
Received 213 Likes on 153 Posts
Default

true that....

BOOMMMM !!! = when the supercharger grenades.
Old 02-23-2013, 09:01 PM
  #27  
V2Rocket
Rainman
Rennlist Member
 
V2Rocket's Avatar
 
Join Date: Jan 2007
Location: Nashville, TN
Posts: 45,595
Received 664 Likes on 517 Posts
Default

Originally Posted by odurandina
true that....

BOOMMMM !!! = when the supercharger grenades.
The misfortunes of the 968 world do not apply to roots blowers, running for many hundreds of thousands of miles on ford/gm products...
Old 02-23-2013, 09:38 PM
  #28  
blown 944
Race Car
 
blown 944's Avatar
 
Join Date: Jul 2007
Location: Firestone, Colorado
Posts: 4,826
Likes: 0
Received 4 Likes on 4 Posts
Default

Id just ignore O's posts. He really doesn't know anything about supercharged, but has a hard on for them.

What I think is really funny, is that if I were to bet on what would break last between a turbo,engine or supercharger, my $$ would be on the supercharger. The roots and screw types are pretty bullet proof.
Old 02-24-2013, 01:18 AM
  #29  
odurandina
Team Owner
 
odurandina's Avatar
 
Join Date: Oct 2009
Location: one thousand, five hundred miles north of Ft. Lauderdale for the summer.
Posts: 28,705
Received 213 Likes on 153 Posts
Default

well, i know that Ford design is solid. i've also driven it. my gf Lisa at UCSD got a brand new '89 for high school graduation... and to be honest, at the time, the T-bird was almost as fast as my Buick Regal with the sbc... with the exception of a few exotics, it was also probably the coolest sounding engine of that day. i got to drive it a lot for a couple of years. btw, Lisa also knew Ferrari's. her dad had a red 328, and one time i got to drive it at Upland Hills CC at a wine tasting party.
Old 02-24-2013, 02:46 AM
  #30  
333pg333
Rennlist Member
 
333pg333's Avatar
 
Join Date: Feb 2006
Location: Australia
Posts: 18,926
Received 99 Likes on 82 Posts
Default

lol...Od you really are quite random aren't you. You're like the court jester at Edward De Bono's Christmas party.

btw...You probably had enough oil in your motor when it blew...just the wrong brand and viscosity...


Quick Reply: Turbocharger VS Supercharger



All times are GMT -3. The time now is 11:15 AM.