Good NO2 info to know....
Thread Starter
Melting Slicks
Joined: Dec 2004
Posts: 2,847
Likes: 1,144
From: Sleepy Hollow- NJ
Good NO2 info to know....
I have seen many folks on this forum, recommend putting a 100 shot of NO2 on a stock LS engine. I have recommended against this without first forging your bottom end, or "building a strong base"
This article will give you a proffessional perspective and some things to consider when thinking about adding an N02 system to you car.
www.idavette.net/hib/nitrous.htm
Good luck!
This article will give you a proffessional perspective and some things to consider when thinking about adding an N02 system to you car.
www.idavette.net/hib/nitrous.htm
Good luck!
Last edited by Johnny Hardcore; Sep 29, 2007 at 04:09 PM.
Burning Brakes
Joined: Dec 2005
Posts: 831
Likes: 2
From: Silver Spring, MD
Good article. Personally, I am not a huge fan of instant gratification...kind of similar to like having a one night stand...fun while it's happening but you might regret later. only MHO
Le Mans Master
Joined: Feb 2000
Posts: 7,032
Likes: 2
From: Newburgh NY
I've been running a 150 wet shot on my 98 with 109k miles on it for 2 years. I've still got the stock bottom end. I have a decent cam in there along with ported heads, ls6 intake, headers/cats/xpipe, and torque converter and gears. Turned best at 11.1/123 in the 1/4.
I also have timing backed out a degree or two, Tr6 plugs gapped at .035, a fuel pressure safety switch and a window switch. It's a blast!
Will it blow some day, my guess is yes. But in the meantime I'm enjoying the ride.
I also have timing backed out a degree or two, Tr6 plugs gapped at .035, a fuel pressure safety switch and a window switch. It's a blast!
Will it blow some day, my guess is yes. But in the meantime I'm enjoying the ride.
Team Owner
Joined: Nov 2001
Posts: 34,124
Likes: 105
From: Pensacola FL
IMO, the factory LSx engines can handle a 100shot in dry or wet form no problem. The piston ring-lands seem to be the weak link and will not suffer fools lightly. With a good tune, good fuel and a colder plug (I like TR6s gapped at .038) there is no reason a 100shot of nitrous should cause any serious problems. Cylinder-pressure is an issue, but a good window-switch will keep the spray from coming on too early and putting pressure up to unreasonable levels. I sprayed my H/C LS1 for years before pushing a head-gasket and when the engine was torn down, it still looked brand-new. I think most nitrous issues are caused by greed or ignorance, but that's just me...
Le Mans Master
Joined: Jun 2006
Posts: 6,979
Likes: 31
From: Wichita KS
IMO, the factory LSx engines can handle a 100shot in dry or wet form no problem. The piston ring-lands seem to be the weak link and will not suffer fools lightly. With a good tune, good fuel and a colder plug (I like TR6s gapped at .038) there is no reason a 100shot of nitrous should cause any serious problems. Cylinder-pressure is an issue, but a good window-switch will keep the spray from coming on too early and putting pressure up to unreasonable levels. I sprayed my H/C LS1 for years before pushing a head-gasket and when the engine was torn down, it still looked brand-new. I think most nitrous issues are caused by greed or ignorance, but that's just me...
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Dig
Joined: Jan 2006
Posts: 5,447
Likes: 1,111
From: Port Saint Lucie FLORIDA & HONDURAS
I started to abuse nitrous ( 275 whp shot ) on my stock motor.
But, befor this setup... i ran a 225 shot for 2 years w/ 0 problems.
I am greedy and need more out of my stock motor.
I believe that any LS1 based motor can handle a 200 shot when done correctly.
I have turned on alot of f-body and vette owners to going fast w/ nitrous and safely doing so.
BTW.... i hate nitrous !! It took the place of a procharger in my list of mods. But, i realized that no procharger could keep up w/ my nitrous setup ( stock motor w/ procharger vs stock motor w/ my 225 shot )
My nitrous system was just plain faster.
So, i guess i have to live w/ my nitrous
But, befor this setup... i ran a 225 shot for 2 years w/ 0 problems.
I am greedy and need more out of my stock motor.
I believe that any LS1 based motor can handle a 200 shot when done correctly.
I have turned on alot of f-body and vette owners to going fast w/ nitrous and safely doing so.
BTW.... i hate nitrous !! It took the place of a procharger in my list of mods. But, i realized that no procharger could keep up w/ my nitrous setup ( stock motor w/ procharger vs stock motor w/ my 225 shot )
My nitrous system was just plain faster.
So, i guess i have to live w/ my nitrous
Safety Car
Joined: Apr 2000
Posts: 4,326
Likes: 140
From: Weatherford, TX
From that article: "The average bottle is a 20 pounder and with a street V8 that might be worth 20 seconds of use."
WTF, how much was he spraying? When I ran 100hp jets, a 10# bottle would last about 10 1/4 mile passes that were about 10-12 seconds each. So 1# in 10 sec at 100hp, 2# in 20 sec. To use 20# in 20 sec, the flow would need to be 10x higher, so a 1000hp shot! Yeehaw!
Unless of course he means once you're in the throttle on Nitrous for 20 secs, you've run out of road and will soon be dead or in jail?
WTF, how much was he spraying? When I ran 100hp jets, a 10# bottle would last about 10 1/4 mile passes that were about 10-12 seconds each. So 1# in 10 sec at 100hp, 2# in 20 sec. To use 20# in 20 sec, the flow would need to be 10x higher, so a 1000hp shot! Yeehaw!
Unless of course he means once you're in the throttle on Nitrous for 20 secs, you've run out of road and will soon be dead or in jail?
Team Owner
Joined: Nov 2001
Posts: 34,124
Likes: 105
From: Pensacola FL
There was a guy I knew in FL, let's call him "Jeff", who had a extremely stockish 1998 Z28. He ran a 225 shot on that factory LS1 from when I got there in 2000, through when I left in 2004 and could still be running it for all I know. "Jeff" had added a Walbro in-tank and some nitrous accessories, but that was about it. He suprised a lot of people and (I'm not condoning street racing) made a lot of money with that car. "Jeff" was also very meticulous about his maintenance and logged as much data as he could.
Will everybody have the same results as "Jeff"? Probably not.
Is the LSx series a pretty tough hombre out of the box? You betcha!
Racer
Joined: Apr 2006
Posts: 435
Likes: 0
If you really understand how nitrous works,there is nothing inherently dangerous or cheap about it.It is simply a way to get your engine to behave as if it was bigger than it really is.It's chemistry.Power is power regardless of how you get there.Nitrous simply allows you engine to burn more fuel.More fuel equals more power.If the first post was true, all cam/head changes would require bottom end mods.That's not the case.All mods are a trade off.If you desire a stock idle and quiet exhaust, but still want to be able to run some numbers occasionally, NO2 is a good addition when you take into consideration the sophisticated fuel management system on the C5 and later vettes.Add to that the aftermarket window switches and safety items available, you can actually have a safe system that dollar for dollar is a real bargain. Anytime you see a nitrous article citing WWII german fighter planes, you might want to get current before you make a decision on if nitrous might be a good choice for you.
Racer
Joined: Aug 2006
Posts: 446
Likes: 0
From: Orlando Fl
Folks, It is not NO2 it is N2O. Lets at least get that right if people are going to throw info around. It is no different than any power adder. Add boost and the motor will have more stresses, add compression and the motor will have more stresses, add nitrous and the motor will have more stresses. If you are not willing to accept those facts leave her stock.
Thread Starter
Melting Slicks
Joined: Dec 2004
Posts: 2,847
Likes: 1,144
From: Sleepy Hollow- NJ
Folks, It is not NO2 it is N2O. Lets at least get that right if people are going to throw info around. It is no different than any power adder. Add boost and the motor will have more stresses, add compression and the motor will have more stresses, add nitrous and the motor will have more stresses. If you are not willing to accept those facts leave her stock.
I think some folks may be missing my point here. What I'm trying to say, is putting a 100+ shot on a stock bottom end, is not the greatest idea. Can you get lucky and use Nitrous without having problems..yes. Are you putting your engine at a much higher risk of breakdown due to Nitrous use...yes. Is the spray worth taking chances on a STOCK motor for some extra HP, in my opinion...no.
Team Owner
Joined: Nov 2001
Posts: 34,124
Likes: 105
From: Pensacola FL
Good call, N20.
I think some folks may be missing my point here. What I'm trying to say, is putting a 100+ shot on a stock bottom end, is not the greatest idea. Can you get lucky and use Nitrous without having problems..yes. Are you putting your engine at a much higher risk of breakdown due to Nitrous use...yes. Is the spray worth taking chances on a STOCK motor for some extra HP, in my opinion...no.
I think some folks may be missing my point here. What I'm trying to say, is putting a 100+ shot on a stock bottom end, is not the greatest idea. Can you get lucky and use Nitrous without having problems..yes. Are you putting your engine at a much higher risk of breakdown due to Nitrous use...yes. Is the spray worth taking chances on a STOCK motor for some extra HP, in my opinion...no.
Former Vendor
Joined: Apr 2007
Posts: 1,331
Likes: 4
From: Jacksonville Florida
Good call, N20.
I think some folks may be missing my point here. What I'm trying to say, is putting a 100+ shot on a stock bottom end, is not the greatest idea. Can you get lucky and use Nitrous without having problems..yes. Are you putting your engine at a much higher risk of breakdown due to Nitrous use...yes. Is the spray worth taking chances on a STOCK motor for some extra HP, in my opinion...no.
I think some folks may be missing my point here. What I'm trying to say, is putting a 100+ shot on a stock bottom end, is not the greatest idea. Can you get lucky and use Nitrous without having problems..yes. Are you putting your engine at a much higher risk of breakdown due to Nitrous use...yes. Is the spray worth taking chances on a STOCK motor for some extra HP, in my opinion...no.
Nitrous has a bad rep from tons of bad installs, people upping shots without poper tuning yada yada, if you know what your doing, tune yoru car properly and use quality nitrous components there is absolutely NOTHING wrong with a 100 shot on any LS1
Drifting
Joined: Mar 2005
Posts: 1,541
Likes: 76
From: Houston TX
I put about 5 bottles through my Z06 this summer on a 100hp wet shot.
Car runs great and hasen't missed a beat. 
I am going to up the jets to 150-175hp one I get a fuel system and smile evan more.
Car runs great and hasen't missed a beat. I am going to up the jets to 150-175hp one I get a fuel system and smile evan more.
Racer
Joined: Apr 2006
Posts: 435
Likes: 0
Thank god you pointed out my typo.I have been running nitrous on my drag snowmobiles for years and that is a lot more difficult to do on a two stroke than a LS1.Nitrous is not just air.It is a chemical source for oxygen.When it is sprayed on the maf sensor in a dry shot, it is super cold liquid and makes the maf react by calling for added fuel flow.By the time the nitrous finds it's way into the combustion chamber, it is a gas. The nitrous molecule splits at combustion temperatures and yields oxygen.The additional oxygen makes the added fuel useable and gives the power boost.The danger with nitrous is usually related to adding nitrous without sufficient added fuel. Lean mixtures burn very hot and can cause backfires,deto and major damage quickly.The safety devices in a well engineered system make it pretty safe and reliable on a LS1 vette.Not magic, just chemistry.Chuck.