Nitrous vs Alki for Turbo.
Nitrous vs Alki for Turbo. Next debate.
This time I will explain things as good as possible.
We are still in the street setup's. No race car's, not looking for 800 HP etc.
Lets say we are using a 346 longblock again with whatever Turbo setup you want. Its intercooled and makes 500 HP to the tire with 9psi.
Now we want a little more the cheep way.
We can turn boost up and run 11psi and Alki injection or we could spray it with a shot of nitrous.
93 octane is our limit on fuel but we will see a higher octane with the alki setup.
OUR goal is simple. What makes better power? What will produce better track results?
The nitrous is a 2nd power adder and cools great but from what I have seen you cant really up the boost any.
Uping the boost on the alki is the key as you see more octane, it cools very well and seems like it might be safer.
The Nitrous makes **** spool faster, does the alki?
This time I will explain things as good as possible.
We are still in the street setup's. No race car's, not looking for 800 HP etc.
Lets say we are using a 346 longblock again with whatever Turbo setup you want. Its intercooled and makes 500 HP to the tire with 9psi.
Now we want a little more the cheep way.
We can turn boost up and run 11psi and Alki injection or we could spray it with a shot of nitrous.
93 octane is our limit on fuel but we will see a higher octane with the alki setup.
OUR goal is simple. What makes better power? What will produce better track results?
The nitrous is a 2nd power adder and cools great but from what I have seen you cant really up the boost any.
Uping the boost on the alki is the key as you see more octane, it cools very well and seems like it might be safer.
The Nitrous makes **** spool faster, does the alki?
tie this in to your sts part 2 thread... Great thread by the way. Would spraying a small shot outta the hole help the STS kit spool faster and give better track times, or are you just getting to complicated on the setup and tuning? I know about the puddling debate, which is why I said small shot.
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Joined: Oct 2004
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From: Just outside of Palm Springs Ca.
Typically the nitrous will not let you up the boost on a given setup, it will simply spool the turbo faster and make LOTS more power from the intercooling effect and the fact it is a power adder of course. We will find out how well it works on my vehicle in the next few months so I'll keep you posted.
-Bryan
-Bryan
With a STS i woudl say go nitrous as spooling woudl be a BIG benifit. And also the other benifits of the nitrous. The alky would be good for all the time use which is nice. I would get the alky as it is something that i coudl use all teh time but if you are in it for the drag strip then nitrous is the key. GL
John
John
i wouldn't spray on a stock bottom ended car that already has 9 lbs of boost.
the benefit of alki really is more timing. There was a comparison done where a member here added more timing with less boost versus more boost with less timing. Guess which one made more power? The one with more timing...
the benefit of alki really is more timing. There was a comparison done where a member here added more timing with less boost versus more boost with less timing. Guess which one made more power? The one with more timing...
TECH Enthusiast
Joined: Nov 2003
Posts: 689
Likes: 0
Not only can you run more timing, but a crapload more boost. Nitrous, IMO, is a waste for any properly setup street V8 turbo car. I spool an 88mm small frame turbo just fine from 360 inches, I don't need nitrous. Alcohol gives you more octane, effectively. Nitrous creates the need for more octane. They're giving you opposite effects. Alcohol will make the most power on pump gas, by far. The 10 degree drop in inlet temps from Nitrous is peanuts compared to the 40-50 degrees you can see from meth.
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