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Old 01-01-2013, 09:35 AM   #1 (permalink)
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Nitrous VS. Bigger Turbo

So I'm at a loss on how to get more/easy/cheap [relatively] power... I'm really just trying to get to 400HP, and my current setup is making 300HP. I figured I could just throw on some Nitrous, about 75 shot, and install a 3" Magnaflow and that'd get me close enough. But now I'm wondering if I should scrap the Nitrous for a DDM GT2871 turbo (or a Hahn 20g, but I'm confused as to whether I'd have to have a non-stock downpipe or not). My only concern is that I have the GMPP Tune... and my boost can go up to 26 PSI. Would that much boost from the 2871 be too much for my stock engine to handle? I'm just wanting something fast to dick around at the track, but still be a daily driver. That's why I like the Nitrous idea, I can toggle it off/on as I wish for passes. But I do like the idea of a bigger turbo... What do you guys think? :/

Also, found this on the Solstice Forum:
New Product - WERKSracing WR-2 LNF Bolt On 450hp Turbocharger!!! - Pontiac Solstice Forum
When he say's "bolt on", does he mean that it's supported by the stock setup? If I get a bigger turbo, I don't want to have to upgrade a thousand other odds and ends to handle the power.

Thanks for reading!
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Old 01-01-2013, 11:26 AM   #2 (permalink)
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Turbo hands down.
You want something thats there all the time on a street car and the track. FI is the only way to fly. If you want to forge the bottom, boost it , then spray on top thats cool cause the low temps of the nitrous will drop the charge but with only nitrous your trying to skimp out on something that ain't suppose to be skimped on. Your motor. Nothing in performance is a quick fix. Do it right and go boosted.
You can get a bottle opener and control it from the front but when you need it quick, is it heated. NO. What time of year is it and where do you live. Hot, cold, so you want to spray, blow a motor cause you needed it fast and it won't ready.
Good stuff but you have to think with nitrous. Not with boost.
I have it but use the supercharger and meth 99% of the time and only time I've ever turned it on was at the air strip where some of us play several times a year. Its not a quick fix for power. Just remember that. Its a band-aid.
If its only going to be run with the nitrous on,, go for it but if its a DD or something your going to enjoy often spend the money and stick with boost. You have ton's of guys on here with boost. Not so many with the 4 banger that run nitrous so who do you ask question to if you have them. DDM has not even messed with nitrous from the best I know of. If it were something that was productive Dave would offer it. He knows these motors.
Nothing replaces full time power. There when you need it.
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Old 01-01-2013, 12:07 PM   #3 (permalink)
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Fair enough... you make some valid points sir ^^
But if I do get a beefier turbo, which one can I squeeze 400HP out of without having to upgrade a bunch of other stuff? "Plug and play", so to speak... could the stock rods and everything handle 26 boost on the larger turbo?
I'm leaning towards the GT2871... and I'd get the 3" Magnaflow regardless... but would I be able to just swap out the Turbos and be done with it, no other performance mods to support it?
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Old 01-01-2013, 12:17 PM   #4 (permalink)
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If you went with a new turbo you would have to retune it
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Old 01-01-2013, 12:36 PM   #5 (permalink)
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Excuse my ignorance, but... by "retune", you mean I'd have to take it back to the dealership to have them reset the GMPP Tune? :/
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Old 01-01-2013, 12:45 PM   #6 (permalink)
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Originally Posted by Richard_Strahl View Post
Fair enough... you make some valid points sir ^^
But if I do get a beefier turbo, which one can I squeeze 400HP out of without having to upgrade a bunch of other stuff? "Plug and play", so to speak... could the stock rods and everything handle 26 boost on the larger turbo?
I'm leaning towards the GT2871... and I'd get the 3" Magnaflow regardless... but would I be able to just swap out the Turbos and be done with it, no other performance mods to support it?
Not at all being a smart ass but my sky has DDM 3 supercharger and the vette has a maggie supercharger. Dragster is Carb. These guys on here are the turbo experts and I know very little on turbos.
Boost is what you want but I'd ask these guys or DDM would be my advice.
400 hp is going to be a right good reach for plug and play on our motors. They move with a lot less hp dew to the rear ends.. Low 13s are common place . You want in the 12's going to take a little more than plug and play.
SC on a ls1 with 10 pounds of boost is only about 450whp. Thats a lot more CI to.
You start a thread on how much hp can you get this guys know their stuff. They will help you.
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Old 01-01-2013, 12:51 PM   #7 (permalink)
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By re tune he means you would ditch the gmpp and use hptuners, with a reputable tuner. That's the only way.
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Old 01-01-2013, 01:03 PM   #8 (permalink)
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Ahh, damn... I don't know, if I'd have to get HPTuners on top of the 2871, Nitrous seems like the way cheaper option. Also, I hate to get rid of my tune... I mean, I paid for it, feel like it's going to waste. I'd much rather work WITH it than ditch it :/
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Old 01-01-2013, 01:24 PM   #9 (permalink)
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Ahh, damn... I don't know, if I'd have to get HPTuners on top of the 2871, Nitrous seems like the way cheaper option. Also, I hate to get rid of my tune... I mean, I paid for it, feel like it's going to waste. I'd much rather work WITH it than ditch it :/
Paid for 7 tunes on the vette. Changing boost, meth, nitrous .
If you want to play, you got to pay. Lets not talk about money spent on going fast. Its just the way things are...
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Old 01-01-2013, 01:40 PM   #10 (permalink)
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Paid for 7 tunes on the vette. Changing boost, meth, nitrous .
If you want to play, you got to pay. Lets not talk about money spent on going fast. Its just the way things are...
Lol, oh I know what you mean, man
But the thing is deadly consistent as it is, running 14.2 like clockwork, and in a drag race that's what matters most. I'm just wanting speed for the fun of it... but I'm not sure I'd rather spend $2K+ as opposed to $800 for the same thing. I mean, I'd rather get a bigger Turbo, but I don't want to scrap my tune AND pay for another one...
I'm assuming I'd have to scrap my tune with ANY Turbo, not just the 2871?
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Old 01-01-2013, 02:04 PM   #11 (permalink)
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Lol, oh I know what you mean, man
But the thing is deadly consistent as it is, running 14.2 like clockwork, and in a drag race that's what matters most.
I'm just wanting speed for the fun of it... but I'm not sure I'd rather spend $2K+ as opposed to $800 for the same thing. I mean, I'd rather get a bigger Turbo, but I don't want to scrap my tune AND pay for another one...
I'm assuming I'd have to scrap my tune with ANY Turbo, not just the 2871? Anytime you change anything you have to retune. Its like women. You try and get rid of them no matter what you think your going to get out with, their going to cost you. .
It don't work like that buddy. You change anything you have to retune. If not, you'll learn. Listen to me, Do what I ask you to do. Ask these boys.. They know what their doing. CAll Dave at DDM. Hes the best there is on these motors or one of the best. If it can be done the boy knows how to make it happen.
If your dead on your dial in like the track and consistent why in the world don't you leave it alone.
I have two motors. 555ci and the 498ci thats in it now. 555 runs 4.75 to 4.82
498 runs dead on 5.07 round after round with a 1.08 60 foot. Guess where the 555 is.

Enjoy the video. Thats the 498ci.
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Old 01-01-2013, 03:20 PM   #12 (permalink)
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If your dead on your dial in like the track and consistent why in the world don't you leave it alone.
I have two motors. 555ci and the 498ci thats in it now. 555 runs 4.75 to 4.82
498 runs dead on 5.07 round after round with a 1.08 60 foot. Guess where the 555 is.
Lol, I know I probably should... but I want to have a bit of fun with it.
I think I may try and get ahold of Dave, then... talk to him. Dave@DDM, right?
Do you mean to say I'll have to scrap my GMPP tune, whether I use Nitrous or get the Turbo...?

Also, that's a nice car you have there, liveaboard
Makes me miss mine...
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Old 01-01-2013, 04:38 PM   #13 (permalink)
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Thank you sir. I"m enjoying it..
You stick a bigger turbo on it, get it tuned up you'll come back on here and ask all of us why we didn't tell you sooner.
Reason I put you on dave, he knows more than anyone what the motor will stand. With a ace in the hole and his knowledge, your miles ahead of the game before you even start.
Good luck..
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Old 01-01-2013, 04:53 PM   #14 (permalink)
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Dave at DDMWorks is not #1 out of10.
But why does the other 9 call him and
ask ?
I would call Him .1st.
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Old 01-01-2013, 08:02 PM   #15 (permalink)
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I run 12.9s on the stock turbo man, and I believe Bun1t runs 12.6's. You're just not pushing it hard enough

To answer your question though, the 2871 would be much much better than nitrous for consistent power IMO. Also, pay for the tune, if you find a good tuner on here he'll work with you through future upgrades and not charge as much to retune.
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