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Old 01-01-2013, 11:01 PM   #16 (permalink)
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Wouldn't nitrous be bad to use with a stock tune, even the GMPP, in these cars? I thought the tune was counter-productive when adding aftermarket parts? If so how would it react to a shot of NOS?
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Old 01-02-2013, 08:27 AM   #17 (permalink)
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Well I sent Dave a PM, just waiting on a reply. Guess I'd better get on selling that TA already...

RedSky, that's something I never got... It seems like my car runs slower than it should. At first I thought it was just because it was an automatic... but would it really be THAT much slower? :/ Granted, I don't think I've been bowing it up on the line enough and my tires were ****... and with these new Nittos, I expect to at least drop past 14.0. But still...

Premlor, I've heard of people on here who have done it... but I'm not sure what, if any, tune they had. I'm hoping Dave will know when he gets back with me

EDIT:
Here's the thread for the Nitrous, nothing is mentioned about a retune... only changing out for cooler spark plugs
This Is What You Need To Run Nitrous - LOOK HERE!
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Old 01-02-2013, 10:49 AM   #18 (permalink)
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if you think a re-tune is expensive, you need to just back away slowly and not mod your sky

first you have to know that nitrous is not cheap. it can be anywhere from $2-$5 a pound... so if you have a 10lb cylinder, you are talking $20-$50 a fill. And if you use it a lot, you will make that 2871 upgrade look cheap. Also a bottle can be used up in a day easily.
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Old 01-02-2013, 10:58 AM   #19 (permalink)
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I agree with Miller.

If you are started out your quest for speed by trying to do it on the cheap, just stop now.

Do it correctly or don't do it.
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Old 01-02-2013, 11:16 AM   #20 (permalink)
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I'd just use the Nitrous for the track, even if the setup costs me a grand [which it wouldn't, looking closer to $800], I could fill it up 20 times before it'd equal the turbo. I don't even go to the track 20 times a year.
Its not so much about the cost of the re-tune, just the fact that I'd be wasting the tune I just got -_- Kinda disheartening. I have no problem throwing 2K at it, but I'd be wasting the $600 the tune costs. I'd rather utilize it than throw it away.
I understand the turbo would be the better choice of the 2, but its not like Nitrous is a BAD setup. Inferior, perhaps, but not a bad one.
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Old 01-02-2013, 12:40 PM   #21 (permalink)
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Dont you need to retune for the Nitrous, otherwise you won't take advantage of it?
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Old 01-02-2013, 01:44 PM   #22 (permalink)
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Dont you need to retune for the Nitrous, otherwise you won't take advantage of it?
Not if you are a hillbilly just slapping nitrous on stuff!

"Jus' give 'er hell till she lets go jimbob!!!!"

every 50-75 shot needs 1-2 degrees of retard to keep cylinder pressure down. Also with the torque spikes the nitrous will inflict, odds are your rods are going to fail very quickly.

Also before you say "I will get a MSD engine retarder", remember that its a car from 2007-2009, they dont take kindly to goofy add ons that it cannot see or control.

Any way you slice it, N2O isnt a good idea on a kappa. Go E85 and big turbo. That plus a built motor will get you to 500hp.. and no, none of that is cheap, and no, it is not re-sellable.
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Old 01-02-2013, 02:51 PM   #23 (permalink)
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^This^

nitrous on stock internals =
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Old 01-02-2013, 03:05 PM   #24 (permalink)
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Here you go, stock turbo and 12.9. His car is an auto:

12.90 and 12.97 1/4 mile videos - Pontiac Solstice Forum
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Old 01-02-2013, 03:17 PM   #25 (permalink)
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I hope Dave doesn't mind me quoting him, if so I'll gladly take it down

Quote:
Originally Posted by Dave@ddmworks
Quote:
Originally Posted by Richard_Strahl
Hey there, Dave, I was wondering if I could ask you about something. I was told you were the go to guy on our engines, so I was hoping you could help me out.
I've been thinking about throwing some Nitrous on the Sky, try and get it around 400HP. But I have the GMPP Tune... would I have to retune to install the Nitrous? I'd hate to scrap my tune... seems like such a waste :/
Anyway, thanks for reading, hope to hear from you soon!
Hello,

The GMPP tune is realatively mild and you could add a wet nitrous shot to the car and probably make the power that you are looking at making, but I would suggest monitoring the ECM while spraying to check for any knock. The power you are looking at making is still pretty safe on a LNF. 400hp at the crank puts about 330hp at the wheels. We feel safe with the engine up to 400 hp at the wheels.

NOS has a kit that is made for cars with electronic throttle bodies. It is nice kit and easy to setup, I would suggest it for your case.

Hope that helps,
Dave

Miller, check out the thread I posted, they say if you don't go past 75, you don't have to adjust the timing, just cooler plugs
There's a few Kappas on here that run Nitrous, I believe... if they're reading, what all have you done?
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Old 01-02-2013, 04:01 PM   #26 (permalink)
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Quote:
Originally Posted by Richard_Strahl View Post
Miller, check out the thread I posted, they say if you don't go past 75, you don't have to adjust the timing, just cooler plugs
There's a few Kappas on here that run Nitrous, I believe... if they're reading, what all have you done?
My sky had a 2871 and most bolt ons. The 2871 was a very nice kit. I ran it for over 20k miles on Dave's tune. Very safe and reliable. Full mod list in the description of the video:


It just didnt have the guts to keep up with 10 sec cars, and I wanted to be able to do that without a spending a fortune for one off custom everything, and zero resale value. IE the slicks and wheels I have for a sky sitting at home that are brand new and never mounted
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Old 01-02-2013, 05:03 PM   #27 (permalink)
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Quote:
Originally Posted by Richard_Strahl View Post
I hope Dave doesn't mind me quoting him, if so I'll gladly take it down




Miller, check out the thread I posted, they say if you don't go past 75, you don't have to adjust the timing, just cooler plugs
There's a few Kappas on here that run Nitrous, I believe... if they're reading, what all have you done?
No problem quoting me, anytime.

I was never into nitrous until the first time we installed a nice setup on a Solstice, it worked really well and was fun in its own unique way. Something about flipping a switch to arm the system makes you feel like something special is going to happen. It also is relatively cheap to add onto the car even when using a nice setup like we did, atleast in the short term. Like Miller mentioned, over time the cost of bottle refills will add up and surpass the cost of just doing an upgraded turbo.

So it just comes down to personal preference, how you want to make the power and how you want to pay for it. Honestly, though the thought of a stock turbo with a little shot of nitrous sounds like it would be a lot of fun and may be exactly what you are looking for. This is the kit that we have used and will probably be putting one on our little Sonic tester also:

Holley Performance Products Universal Drive-By-Wire Wet Nitrous System - 4-6 Cyl.*05134NOS

Let me know if there is anything else I can help with,
Dave
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Old 01-02-2013, 05:04 PM   #28 (permalink)
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Please make sure you have that installed by January 18th.
I want to get a test ride!!!!!
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Old 01-02-2013, 05:08 PM   #29 (permalink)
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Quote:
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Please make sure you have that installed by January 18th.
I want to get a test ride!!!!!
Stay for an extra day, you can help me install it
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Old 01-02-2013, 05:09 PM   #30 (permalink)
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I have not gotten my plane ticket for the return trip.
If you want help on Saturday, I'll gladly stay until sunday.
This will be well worth it.
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