How much nitrous in stock LS1?
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Joined: May 2004
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From: adams ma
How much nitrous in stock LS1?
I just purchased a nitrous express kit for my 2000 hardtop. I am installing it in a few weeks and i need some help with the shot. What is the most i should run with a stock motor? I have a borla stinger and a vortex ram air kit. It is gonna be mainly once in a while street use and a couple of track runs, nothing major. Thanks for any help!
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Joined: Nov 2002
Posts: 76
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From: Allentown PA
Re: How much nitrous in stock LS1? (Patches)
Most dry nitrous kits are rated at flywheel hp subtract about 12% or so and that is your rear wheel shot. So figure about 85-88rwhp for your 100 dry shot at 950-1000psi bottle.
Now..most wet kits are rated at rearwheel. A 150 wet will hit hard as hell and create atleast 150rear wheel hp (maybe more) which is about 175 flywheel.
I would think the 150 wet would hurt your motor more because your making more power on the juice. I would stick with a 125 or even a 150 dry with pcm tuning for the maf table.
I run a 125 dry at a low bottle pressure so it doesn't make the best #'s. I run stock tuning, but then again I have bigger injectors than your 2000 c5. I still think a 125 dry would be fine if you don't have a cam or head work.
-Corey
Now..most wet kits are rated at rearwheel. A 150 wet will hit hard as hell and create atleast 150rear wheel hp (maybe more) which is about 175 flywheel.
I would think the 150 wet would hurt your motor more because your making more power on the juice. I would stick with a 125 or even a 150 dry with pcm tuning for the maf table.
I run a 125 dry at a low bottle pressure so it doesn't make the best #'s. I run stock tuning, but then again I have bigger injectors than your 2000 c5. I still think a 125 dry would be fine if you don't have a cam or head work.
-Corey
Burning Brakes
Joined: Jun 2002
Posts: 1,055
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From: Troy MI
Re: How much nitrous in stock LS1? (94-98 Trans Am)
Most dry nitrous kits are rated at flywheel hp subtract about 12% or so and that is your rear wheel shot. So figure about 85-88rwhp for your 100 dry shot at 950-1000psi bottle.
Now..most wet kits are rated at rearwheel. A 150 wet will hit hard as hell and create atleast 150rear wheel hp (maybe more) which is about 175 flywheel.
I would think the 150 wet would hurt your motor more because your making more power on the juice. I would stick with a 125 or even a 150 dry with pcm tuning for the maf table.
I run a 125 dry at a low bottle pressure so it doesn't make the best #'s. I run stock tuning, but then again I have bigger injectors than your 2000 c5. I still think a 125 dry would be fine if you don't have a cam or head work.
-Corey
Now..most wet kits are rated at rearwheel. A 150 wet will hit hard as hell and create atleast 150rear wheel hp (maybe more) which is about 175 flywheel.
I would think the 150 wet would hurt your motor more because your making more power on the juice. I would stick with a 125 or even a 150 dry with pcm tuning for the maf table.
I run a 125 dry at a low bottle pressure so it doesn't make the best #'s. I run stock tuning, but then again I have bigger injectors than your 2000 c5. I still think a 125 dry would be fine if you don't have a cam or head work.
-Corey
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Joined: Dec 2000
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From: Columbia SC
Re: How much nitrous in stock LS1? (vettekid00)
The stock motor can easily handle the 150 shot from a durability standpoint. But the problem is tuning. I run a NOS 100 dry shot on top of a strong heads and cam car. I could not see running safely more than a 50-75 dry shot without some type of tuning. The initial spike your car sees when the nitrous goes through the MAF is awful lean when you go above this level on dry. Going wet at this level would be more safe. At the minimum the use of a MAFT is what I would recommend for tuning. I have run all the way up to a 150 shot both dry and wet on a stock bottom end. But I have LS1 Edit with custom nitrous tunes for each stage. Good luck and have fun!
Mike
Mike
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Joined: Apr 2003
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From: Houston Tx
Re: How much nitrous in stock LS1? (vettekid00)
A couple of quick viewpoints:
1) I wouldn't run anything higher than 100-125 wet on a stock bottom end and would shy away from a dry kit if possible (bad personal experience).
2) Invest in an RPM Activated Window Switch.
3) If you don't get a full tune with LS1 Edit, at the very least get a couple of degrees of timing pulled - a must on the nitrous!
4) Run a colder sparkplug.
5) Have fun and be safe!
:cheers:
1) I wouldn't run anything higher than 100-125 wet on a stock bottom end and would shy away from a dry kit if possible (bad personal experience).
2) Invest in an RPM Activated Window Switch.
3) If you don't get a full tune with LS1 Edit, at the very least get a couple of degrees of timing pulled - a must on the nitrous!
4) Run a colder sparkplug.
5) Have fun and be safe!
:cheers:
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Joined: Nov 2002
Posts: 76
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From: Allentown PA
Re: How much nitrous in stock LS1? (poolfanatic)
Basically its what everyone prefers. Run what shot you like between 100-150 and you'll be good to go. Yes ls1's can hold a 150 shot, but how often are you going to spraying?
good luck, what everyone said is correct. Just do what you feel is right after reading all the posts.
-Corey
good luck, what everyone said is correct. Just do what you feel is right after reading all the posts.
-Corey
