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Old 02-27-2012, 07:47 PM   #11
Dylanjunk
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I wasn't referring to sc vs turbo argument both have there advantages but I was just curious why turbos are seen on most 1000hp cars but thanks for the answer guys!
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Old 02-27-2012, 07:59 PM   #12
eolson
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Unless you're drag racing, twin screw is beautiful all the way through the RPM band for anything rational on the street or road course. Erik
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Old 02-27-2012, 10:42 PM   #13
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Quote:
Originally Posted by Dylanjunk View Post
I wasn't referring to sc vs turbo argument both have there advantages but I was just curious why turbos are seen on most 1000hp cars but thanks for the answer guys!
For the exact reason that there are turbo vs s/c arguments... The differences in the way they work make them suitable for different things.
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Old 02-27-2012, 11:20 PM   #14
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Another thing is that V type engines lend themselves very nicely to 2 turbos (with the dual exhaust paths), when was the last time you saw 2 superchargers on a car?
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Old 02-27-2012, 11:50 PM   #15
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Originally Posted by danzcool View Post
Another thing is that V type engines lend themselves very nicely to 2 turbos (with the dual exhaust paths), when was the last time you saw 2 superchargers on a car?
This..is...madness..
Somebody do it
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Old 02-28-2012, 03:40 AM   #16
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Quote:
Originally Posted by Lem-06 View Post
This..is...madness..
Somebody do it
Quite a few been done.
totally sick, and keeps me drooling.
http://youtu.be/HoHmaEqD7T8
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Old 02-28-2012, 06:03 AM   #17
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When i meant madness. I meant dual superchargers.
I know twin turbos happen all the time :P
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Old 02-28-2012, 07:42 AM   #18
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Regarding turbo lag. I have had a supercharger and then 2 turbos on my stang (not at the same time).

It is very important to size the turbo for the application. Bigger is not necessarily better with turbos.

I started with a Procharger P1SC at about 9 lbs boost. As car was used more and more for dragracing, switched to single 67mm turbo at about 16 lbs boost. The biggest difference between the Procharger and the turbo was torque. The torque dropped dramatically with the Procharger compared to the hp. Torque and hp about the same with the turbos. Car had limited street use and turbo exhibited no noticeable lag during street use. Then upgraded to a 76mm turbo at about 22 lbs of boost. Did notice some lag for street use (hardly ever streeted), but all lag was eliminated for dragracing. Car is no longer street-legal and rebuilt for dragracing only.

Old pic of car launching with the 76.....zero lag with both front wheels lifting off ground
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Old 02-28-2012, 11:28 AM   #19
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Quote:
Originally Posted by Lem-06 View Post
When i meant madness. I meant dual superchargers.
I know twin turbos happen all the time :P
here's an intriguing image, 2 Whipples on a single manifold... madness.



been done on marine engines...

Last edited by danzcool; 02-28-2012 at 11:32 AM.
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Old 02-28-2012, 12:41 PM   #20
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i'm not so certain that there are more 1000+ HP Mustangs with turbos and less with SC.
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