High Compression
With compression like that it's gonna be a hell of a daily driver. Diffently will need some good engine managment though.
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Originally posted by terry.ho
With compression like that it's gonna be a hell of a daily driver. Diffently will need some good engine managment though.
With compression like that it's gonna be a hell of a daily driver. Diffently will need some good engine managment though.
Yeah you should look up that GReddy management system or just hook it up with hondata. They make one right????
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J a s o0o n: i need to get piss ass shit face fuck bag bitch ass drunk god damn
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J a s o0o n: i need to get piss ass shit face fuck bag bitch ass drunk god damn
You could also get creative and do this to give the car dependability for a daily driver and racer.
http://www.aquamist.co.uk/
http://www.aquamist.co.uk/
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Build the head for high RPM, run an aggressive cam and you can effectively have a 10:1Dynamic Compression Engine with 12.5:1 Static Compression...You see, on the compression stroke, your exhaust and intake valves will be open and you will lose compression because the gases will be escaping out the exhaust...
Nitrous on Cast Pistons with high compression is risky above a 50shot...If you don't understand Nitrous, then don't mess with it...
Nitrous increases power 3 ways...First, its 33% Oxygen, whereas the Atmosphere is 23% Oxygen...Thats the first power increase...
Second, Nitrous Oxide, when released to the atmosphere, changes from a liquid to a gas and the temperature drops to 125degrees below 0!!! Thats a major decrease in temperature and cools all the intake charge around it, resulting in an increase in oxygen...
Third is with Nitrous bottle pressure, on a Wet Nitrous System, the Nitrous is injected at around 1100psi max and is mixed with the fuel at its lower pressure...The Nitrous "Cuts" the fuel and causes it to burst into a fine mist or fog...This is where you get the name "fogger." Fumes(Gases/Vapors) are what actually burns as liquids cannot be ignited...You can actually put out a fire by dumping a whole lot of gas onto it...
These increases in Oxygen and Atomization will increase the burn rate of the fuel so rapidly that you will need more fuel to keep the A/F ratio around 12:1...This is key to running safe nitrous...Also, because the flame front travels so much faster and the cylinder pressures rise so much sooner with a nitrous burn, you have to retard timing to deliver the maximum thrust at the proper crank degree...
I think the rule is 2 degrees retard for every 25shot increase of nitrous and another 2 degrees for safety...
Example, 100shot of nitrous, requires an 8degree retard with another 2 degrees for safety...Thats 10degrees retard...
Zee
Nitrous on Cast Pistons with high compression is risky above a 50shot...If you don't understand Nitrous, then don't mess with it...
Nitrous increases power 3 ways...First, its 33% Oxygen, whereas the Atmosphere is 23% Oxygen...Thats the first power increase...
Second, Nitrous Oxide, when released to the atmosphere, changes from a liquid to a gas and the temperature drops to 125degrees below 0!!! Thats a major decrease in temperature and cools all the intake charge around it, resulting in an increase in oxygen...
Third is with Nitrous bottle pressure, on a Wet Nitrous System, the Nitrous is injected at around 1100psi max and is mixed with the fuel at its lower pressure...The Nitrous "Cuts" the fuel and causes it to burst into a fine mist or fog...This is where you get the name "fogger." Fumes(Gases/Vapors) are what actually burns as liquids cannot be ignited...You can actually put out a fire by dumping a whole lot of gas onto it...
These increases in Oxygen and Atomization will increase the burn rate of the fuel so rapidly that you will need more fuel to keep the A/F ratio around 12:1...This is key to running safe nitrous...Also, because the flame front travels so much faster and the cylinder pressures rise so much sooner with a nitrous burn, you have to retard timing to deliver the maximum thrust at the proper crank degree...
I think the rule is 2 degrees retard for every 25shot increase of nitrous and another 2 degrees for safety...
Example, 100shot of nitrous, requires an 8degree retard with another 2 degrees for safety...Thats 10degrees retard...
Zee
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I work too damn Hard...
04 Civic Si
01 Lexus GS300
I work too damn Hard...
04 Civic Si
01 Lexus GS300
*jeremy* The more we think about it we will probably hold off until I can get the cam.
Thanx *Zee* for the Nitrous info. I just don't like it so I stay away from it. If ran correctly I know that an engine can last a long time with it. And you will be happy/impressed to know that I know the four strokes of the piston and thier functions.
I know now where *TK* is suddenly getting car intelligence from, even though 3 seconds later he can't remember it. 
*Tony* where the heck have you been? Hope things are good. Something you might be interested to know is that I am now working for Lt. Gen. M. Delong.
*terry.ho* and *mugenkid05* you sirs are correct, engine management is def on my list. David just got a vafc but the newest one or dayum i can't remember. instead of showing you lights it gives you actually #'s. His newly built LS Vtec is really enjoying it. Interesting link.
*spoonfed* let's not get your man *keith* jealous.

this car has been slow for 13 years, had him since he came off the lot. so when i put this engine in i am hoping it will last another 13 years and be speedy.
Thanx *Zee* for the Nitrous info. I just don't like it so I stay away from it. If ran correctly I know that an engine can last a long time with it. And you will be happy/impressed to know that I know the four strokes of the piston and thier functions.
I know now where *TK* is suddenly getting car intelligence from, even though 3 seconds later he can't remember it. *Tony* where the heck have you been? Hope things are good. Something you might be interested to know is that I am now working for Lt. Gen. M. Delong.
*terry.ho* and *mugenkid05* you sirs are correct, engine management is def on my list. David just got a vafc but the newest one or dayum i can't remember. instead of showing you lights it gives you actually #'s. His newly built LS Vtec is really enjoying it. Interesting link.
*spoonfed* let's not get your man *keith* jealous.

this car has been slow for 13 years, had him since he came off the lot. so when i put this engine in i am hoping it will last another 13 years and be speedy.
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I see people out there spending money on the car to improve it … If you spend half that effort just working on your driving skills, making you and the car work together as a team, then you’ll go faster – period. To make the car go a second faster on the track takes a lot more energy and money than making yourself drive it one second faster.
– the late Tom Thrash SCCA Solo E Production



