intake question for supercharged gsr
i want to know if it is good to shorten my short ram intake so it is shorter. will it make any difference in performance since it can get the air quicker??
If you will look at alot of SC setups alot of people have made very good numbers with a short ram intake. I have never seen a CAI with great dyno numbers
I doubt it will make a noticeable difference, but it couldn't hurt.
dumbass postwhore.As for the short ram vs. CAI vs. custom short ram, there is a book on the market called "Building honda horsepower". The author did a number of tests on different intakes and the best that their testing came up with is that a very short ram intake made the most power. Typically, jackson blowers (and all pos displacement blowers) like a very short tract. This is why the Maki header with it's short primaries makes so much power, and why the intake runners on the JR manifold are so short.
Your best bet is to run a hybrid intake. Run the CAI in the street, and cut a short ram for the track. Run about 12" of intake tube, and the filter and you'll see some good top end gains. These guys gained a few hop throughout the rpm band. Add a 68mm TB to the mix, and you'll easily find 10whp.
[Modified by hypa, 4:17 PM 3/22/2003]
I doubt it will make a noticeable difference, but it couldn't hurt.
Ach! Misinformation!
dumbass postwhore.
As for the short ram vs. CAI vs. custom short ram, there is a book on the market called "Building honda horsepower". The author did a number of tests on different intakes and the best that their testing came up with is that a very short ram intake made the most power. Typically, jackson blowers (and all pos displacement blowers) like a very short tract. This is why the Maki header with it's short primaries makes so much power, and why the intake runners on the JR manifold are so short.
Your best bet is to run a hybrid intake. Run the CAI in the street, and cut a short ram for the track. Run about 12" of intake tube, and the filter and you'll see some good top end gains. These guys gained a few hop throughout the rpm band. Add a 68mm TB to the mix, and you'll easily find 10whp.
[Modified by hypa, 4:17 PM 3/22/2003]
Ach! Misinformation!
dumbass postwhore.As for the short ram vs. CAI vs. custom short ram, there is a book on the market called "Building honda horsepower". The author did a number of tests on different intakes and the best that their testing came up with is that a very short ram intake made the most power. Typically, jackson blowers (and all pos displacement blowers) like a very short tract. This is why the Maki header with it's short primaries makes so much power, and why the intake runners on the JR manifold are so short.
Your best bet is to run a hybrid intake. Run the CAI in the street, and cut a short ram for the track. Run about 12" of intake tube, and the filter and you'll see some good top end gains. These guys gained a few hop throughout the rpm band. Add a 68mm TB to the mix, and you'll easily find 10whp.
[Modified by hypa, 4:17 PM 3/22/2003]
If your looking to gain HP by hacking up your intake and making it look gay, I'd say don't waste your time, there are better ways of making power.
Woah fellas.....
1. Short intake vs. CAI on a JRSC is the way to go. Proven in dyno after dyno.
2. The JRSC needs the most cold air possible.
3. I see the logic in having a CAI on the street - keep temps down in traffic.
4. If you can get the car cool enough at the track, run short ram.
I decided that the cold air was in my best interest, so I have a 3" pipe run from my TB into my fender where the stock airtube comes in... trick setup but I don't have ABS so I can do that... any RS people here want to see a pict I'll e-mail it.
BUT - the original question was "should I cut it shorter?" I'd cut to 4' after the bend, where there is some air that can come up from under the car. (and so you can still get the filter on it. But not super close to the TB - the filter won't fit anyway.
[Modified by 96IntegraRS, 6:13 PM 3/23/2003]
1. Short intake vs. CAI on a JRSC is the way to go. Proven in dyno after dyno.
2. The JRSC needs the most cold air possible.
3. I see the logic in having a CAI on the street - keep temps down in traffic.
4. If you can get the car cool enough at the track, run short ram.
I decided that the cold air was in my best interest, so I have a 3" pipe run from my TB into my fender where the stock airtube comes in... trick setup but I don't have ABS so I can do that... any RS people here want to see a pict I'll e-mail it.
BUT - the original question was "should I cut it shorter?" I'd cut to 4' after the bend, where there is some air that can come up from under the car. (and so you can still get the filter on it. But not super close to the TB - the filter won't fit anyway.
[Modified by 96IntegraRS, 6:13 PM 3/23/2003]
CAI makes more power than a short ram everytime, dyno after dyno? That's a pretty bold statement. I've seen the exact opposite. If you doubt that the short ram makes more power, why don't you call up Jackson Racing and see what they say? I'll bet they tell you to stick with the short ram, they don't even make a cold air intake for their own superchargers, that right there should tell you something.
Cold air intakes like the AEM and Iceman are designed for NA cars where velocity and cool temps are important to make power. With the JRSC you want volume with the least amount of restriction, the cool air just gets heated up by the blower anyway so it's not a factor.
Cold air intakes like the AEM and Iceman are designed for NA cars where velocity and cool temps are important to make power. With the JRSC you want volume with the least amount of restriction, the cool air just gets heated up by the blower anyway so it's not a factor.
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I said, "1. Short intake vs. CAI on a JRSC is the way to go. Proven in dyno after dyno."
NOT - a CAI is best. I should have been more clear. Short Ram is the way to go on a JRSC. OK?
Cold(er) air is VERY important to JRSC owners - the approximately 50 degree rise underhood makes the all the difference to us... if you throw in 70 degree air versus 120 degree air, there will be an obvious outlet temperature reduction.
Therefore, we need a balance between cold(er) air and the shortest intake possible (yes volume is key here).
NOT - a CAI is best. I should have been more clear. Short Ram is the way to go on a JRSC. OK?
Cold(er) air is VERY important to JRSC owners - the approximately 50 degree rise underhood makes the all the difference to us... if you throw in 70 degree air versus 120 degree air, there will be an obvious outlet temperature reduction.
Therefore, we need a balance between cold(er) air and the shortest intake possible (yes volume is key here).
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