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Head Gaskets
16 years 5 days ago #612
by N2O-928
Replied by N2O-928 on topic Head Gaskets
I like it for what I use it for, it works great, I am somewhere in the 450 hp range and that is what a 928 needs to IMHO (400 and up 
) to keep up w/ current HP Street cars (it is a real sleeper now).
I activate it and then just drive the car, when the WOT signal is active and the RPM is correct (adjustable range) the N20 and added Fuel start flowing at an adjustable percentage (Liquid boost).
However IMO you got to do it right, and not just dump a 150 shot on the engine.
I do that with a programmable Progressive N2O controller and when the system is active I back out timing.
Rule of thumb for Nitrous is back off 2 degrees of timing per 50 hp shot. I now have a total of -8 degrees using my low octane loop with a switch, and I am also monitoring my AFR and keeping it on the rich side ~ 10.6 – 11.
So I am most likely leaving HP on the table, but the car is very very quick now.
A cheap N20 (two Nitrous and one Oxygen) is not the way to go, they go for 300 to 400 bucks and can be found all over the net for 5.0.
However you want a good $600. system that goes from 75hp to 150 HP and that is capable of flowing 200 HP, they use better Solenoids and Nozzle, I highly recommend Nitrous Express (made in USA).
Then there is the Progressive Controller, another $350. add to that the remote N2O gauge so you can see what is left and if your at peak pressure, which sometimes requires a bottle heater, add $150. and your on your way to consistently spanking some booty !
Figure around $1,500. and your there, a 10 lb bottle will last using a 150 shot, one full minute of WOT (that is a lot on the street) for me about two to three weeks of driving around, after all mostly your only going to use it in first and maybe second (not many seconds used there).
At four-fitty a lb the cost is usually 40 to 45 bucks to fill up, you never completely use up the bottle as the pressure drops off as it get to around 3 lbs, I have two bottles
The up side: it is there only when you want it to be, and not a lot of piping, coolant and belts to adjust.
The down side: It runs out (like AO said) and like anything that runs out it usually happens when you want it
You also have to watch out in hotter climates and will need to find ways to cool the bottle (over pressure), there are cooling systems available.
Hope this helps, and let me know if you want more, I can post pic’s of my install.
Dave
) to keep up w/ current HP Street cars (it is a real sleeper now).I activate it and then just drive the car, when the WOT signal is active and the RPM is correct (adjustable range) the N20 and added Fuel start flowing at an adjustable percentage (Liquid boost).
However IMO you got to do it right, and not just dump a 150 shot on the engine.
I do that with a programmable Progressive N2O controller and when the system is active I back out timing.
Rule of thumb for Nitrous is back off 2 degrees of timing per 50 hp shot. I now have a total of -8 degrees using my low octane loop with a switch, and I am also monitoring my AFR and keeping it on the rich side ~ 10.6 – 11.
So I am most likely leaving HP on the table, but the car is very very quick now.
A cheap N20 (two Nitrous and one Oxygen) is not the way to go, they go for 300 to 400 bucks and can be found all over the net for 5.0.
However you want a good $600. system that goes from 75hp to 150 HP and that is capable of flowing 200 HP, they use better Solenoids and Nozzle, I highly recommend Nitrous Express (made in USA).
Then there is the Progressive Controller, another $350. add to that the remote N2O gauge so you can see what is left and if your at peak pressure, which sometimes requires a bottle heater, add $150. and your on your way to consistently spanking some booty !
Figure around $1,500. and your there, a 10 lb bottle will last using a 150 shot, one full minute of WOT (that is a lot on the street) for me about two to three weeks of driving around, after all mostly your only going to use it in first and maybe second (not many seconds used there).
At four-fitty a lb the cost is usually 40 to 45 bucks to fill up, you never completely use up the bottle as the pressure drops off as it get to around 3 lbs, I have two bottles
The up side: it is there only when you want it to be, and not a lot of piping, coolant and belts to adjust.
The down side: It runs out (like AO said) and like anything that runs out it usually happens when you want it
You also have to watch out in hotter climates and will need to find ways to cool the bottle (over pressure), there are cooling systems available.Hope this helps, and let me know if you want more, I can post pic’s of my install.
Dave
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- Andrew Olson
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