Twinscrew question
We're awaiting our twinscrews to come back actually. The snout needed a redesign to correct the oil leak it from the seal. Then, we'll be back in business real soon. I think Rebel is waiting on the "Man in Brown" to bring the goodies as we speak.
I am still undecided between twin screw or turbo.Each setup has its good and bad points.
For a simple bolt on for the stock motor,the twin screw seems to fit the bill.For all out power gains,with some internal motor mods,the turbo is def the way to go.
If I can get 300whp out of the twin screw,OK.But I would like to see a few cars achieve that magic number before ordering.
For a simple bolt on for the stock motor,the twin screw seems to fit the bill.For all out power gains,with some internal motor mods,the turbo is def the way to go.
If I can get 300whp out of the twin screw,OK.But I would like to see a few cars achieve that magic number before ordering.
I'm not interested in the Procharger for my application.The only blower that will fit without modifying my "hood" or frame rails is the twin screw.Very tight arraingement on the Atom.The exhaust side of my cars engine "bay" is wide open;perfect for a turbo setup.
I only have a mild 3-angle valve job and a polishing along w/ my cams and valve springs on a 2.79" pulley and I'm easily about 280whp. I put down 244 on a Mustang in high humidity and 80 degree weather with the stock catback. W/ my 3" catback and cooler weather, I could be pushing into the low 290's...
I put down 272whp with a rough tune on the 3rd lowest rating Mustang dyno in the U.S. That was at 95*+ weather and 100% humidity out. It was even hotter inside on the dyno too. Talk all the crap you want about my numbers, but I've seen mulitple Cobalts put down a lot lower numbers than everyone on here posts on this dyno.
With just and Injen intake, I laid down 197WHP and 177WTRQ
With GM Stage 2, 2.8" pulley, intake, and Corsa catback I laid down 214WHP and 199WTRQ
With a 2.6" pulley, 60# injectors, dual pass mod, intake, exhaust, CTI header/downpipe, and a great tune I laid down 238WHP and 230WTRQ (early feb when it was cold out)
With the twinscrew and all my mods, I laid down 272WHP
My buddy laid down 210WHP with a good tune, 2.8" pulley, 60# injectors, header, downpipe, catback, and intake on same dyno.
With this, I can honestly say, that twinscrew is making some damn good power.
With just and Injen intake, I laid down 197WHP and 177WTRQ
With GM Stage 2, 2.8" pulley, intake, and Corsa catback I laid down 214WHP and 199WTRQ
With a 2.6" pulley, 60# injectors, dual pass mod, intake, exhaust, CTI header/downpipe, and a great tune I laid down 238WHP and 230WTRQ (early feb when it was cold out)
With the twinscrew and all my mods, I laid down 272WHP
My buddy laid down 210WHP with a good tune, 2.8" pulley, 60# injectors, header, downpipe, catback, and intake on same dyno.
With this, I can honestly say, that twinscrew is making some damn good power.
272 on a mustang is equivalent to almost 313whp on any dynojet you could find. I'd say that 62whp over a 2.8" pullied car is pretty damn good!
Onyx just likes to stir up ****, don't let him get to ya'...
I guess it's 58whp more in your case, seeing as you put down 214 on the same dyno.
Onyx just likes to stir up ****, don't let him get to ya'...
I guess it's 58whp more in your case, seeing as you put down 214 on the same dyno.
Last edited by Edubs; Oct 11, 2007 at 02:51 PM. Reason: Automerged Doublepost
I have the stage 3 GM setup (dual pass/3" pulley/GM tune/42lb. inj) that was stock for my Atom and am seeing 225whp.Would sure like to get it up to 300whp without major reconstruction.That is why I am leaning hard toward the twin screw and anxiously await any news.
Twin-screw should reach those #'s no problem. Especially w/ the dual-pass keeping it cool.
The GMS3 technically runs a dry 50 shot of nitrous as well on the Cobalt. Do you have that or is it not included in the application for the Ariel because there's no safe place to mount a nitrous bottle?
The GMS3 technically runs a dry 50 shot of nitrous as well on the Cobalt. Do you have that or is it not included in the application for the Ariel because there's no safe place to mount a nitrous bottle?
As do I. Ive been waiting to hear the #'s put down form the twin screw B 4 I order. Despite what ppl say on here, there are a good amount of people that are planning on buying, but many of us would like some #'s B 4 we do. And with 300whp on that Atom, what are U trying to race?? Friggin cruise missals
No NOS on the Atom.If the car actually had 300hp I suppose it would be enough!... At track days the only place passing is allowed is on straightaways, and those SICK Evos with ungodly HP are very hard to get by.So,I end up on their asses through most of the course,not able to pass them where it's permitted because they usually won't give you a point by.(egos...)If I had 300whp I could pass with plenty of room.And then lap them...Ha! If I had 400whp,I could fly....
I put down 220whp and 205wtq with a 2.79" pulley, Vibrant cat-back, Injen CAI, 42's, and a tune on a crazy 95ish humid day and my temps hittin 205 sittin on the dyno. By the way, this was on a Mustang Dyno. I could easily see 10 more whp and wtq just from the weather cooling off and the humidity droppin, and then add another 20 or so for those that prefer DynoJet numbers.
272 on a mustang is equivalent to almost 313whp on any dynojet you could find. I'd say that 62whp over a 2.8" pullied car is pretty damn good!
Onyx just likes to stir up ****, don't let him get to ya'...
I guess it's 58whp more in your case, seeing as you put down 214 on the same dyno.
Onyx just likes to stir up ****, don't let him get to ya'...
I guess it's 58whp more in your case, seeing as you put down 214 on the same dyno.
UNTIL they post SOLID numbers in the low 300's it's not worth it.
You also have to keep in mind that he was/is the test dummy and there is still quite a bit of tuning to be done. He's in the military and been gone, and has not had the opportunity to continue the tuning adjustments. His numbers were coming along pretty damn well from what I remember seeing though.
You also have to keep in mind that he was/is the test dummy and there is still quite a bit of tuning to be done. He's in the military and been gone, and has not had the opportunity to continue the tuning adjustments. His numbers were coming along pretty damn well from what I remember seeing though.
I will neither confirm nor deny that question. lol...All I can say is that, I know what it is like to be a prototype person and that there will be many adjustments to be made while testing and tuning. Who knows what the actual outcome will be until it is finished. I just hope for the best, I LOVE hearing about more options for our cars and can't wait to see some more sick ass Balts rollin around.
Experimenting with new stuff is what hotrodding is all about! If nobody was the first, new products would not exist.There is a learning curve to most anything.Sometimes it's a bit rocky,but that is how we all learn.
You can't have everything handed to you on a silver platter in this sport.
Innovation takes time and money.Most of all,a lot of patience...
You can't have everything handed to you on a silver platter in this sport.
Innovation takes time and money.Most of all,a lot of patience...
I couldn't afford the Twin Screw?

You're talking to a guy who spent 3 grand on computer tuning and a pulley/belt combo for his E55.
I LOVE the idea of a TS on our cars but have two problems with it...
1. It's not the 1.5L like i wanted
2. No solid numbers
If i wanted 300whp i would go with a race ported head but before i even think about going with more power i NEED an LSD.
You're talking to a guy who spent 3 grand on computer tuning and a pulley/belt combo for his E55.
I LOVE the idea of a TS on our cars but have two problems with it...
1. It's not the 1.5L like i wanted
2. No solid numbers
If i wanted 300whp i would go with a race ported head but before i even think about going with more power i NEED an LSD.


