Show of hands for the REVi
09-20-2005, 09:43 AM
#1
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Show of hands for the REVi
Just wanted to see how many of you are interested in the Racing Beat REVi Intake and the REVi Ram Air Duct. I've just managed to get my hands on a complete set and will be doing some performance testing soon. If there is a lot of interest in it, I'll post the results. If only a few are interested, then I'll just PM the results to only those that are interested. If nobody is interested, then we'll just let this thread die a natural death. :p
09-20-2005, 09:49 AM
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Originally Posted by sqflyer
Just wanted to see how many of you are interested in the Racing Beat REVi Intake and the REVi Ram Air Duct. I've just managed to get my hands on a complete set and will be doing some performance testing soon. If there is a lot of interest in it, I'll post the results. If only a few are interested, then I'll just PM the results to only those that are interested. If nobody is interested, then we'll just let this thread die a natural death. :p
09-20-2005, 10:41 AM
#6
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Originally Posted by lohsk
Is this the one that looks like an excavator ??
Last edited by sqflyer; 09-20-2005 at 10:43 AM.
09-20-2005, 11:38 AM
#9
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Originally Posted by sqflyer
Yes indeed! And I say this with a big :D on my face. Watch out all manner of bugs and small birds!!!
Last edited by lohsk; 09-20-2005 at 11:49 AM.
09-20-2005, 02:31 PM
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Ok, since quite a number of you are interested, I'll post my results here. I just installed the REVi Intake by itself without removing the VFAD and obviously without the REVi Ram Air Duct because it was late and I'm too lazy to remove my front bumper in the middle of the night. Besides, I wanted to run the car without the ram air duct first so that I can compare the results with and without the duct.. Will probably strip the front bumper tomorrow. Ok, other than the obvious improvements such as the throttle response, it's good to point out that the REVi Intake is noticeable quieter than any other open pod filter. The intake sounds a bit hollower and just slightly louder than the stock intake even with the throttle wide open. <--- Ls: This part is specially for you!
As for performance gains, I recorded a maximum power gain of 5.7HP over stock which is pretty damn close to Racing Beat's claim of 5.8HP. Torque gain is about 4Nm. All this translates to a time difference faster than the stock intake of
20m - About even
100m - 0.08s
200m - 0.15s
300m - 0.19s
400m - 0.22s
Relative to speeds, the REVi Intake is faster than the stock intake by
0-40 - About even
0-60 - 0.03s
0-80 - 0.20s
0-100 - 0.24s
0-120 - 0.33s
0-140 - 0.38s
Quite decent power gains over the stock intake, but the REVi's performance gains up in the high speed region seemed to be bottoming out. This is probably due to the restrictive VFAD still in place. I'm excited to see what the Ram Air "Excavator" Duct can do when it replaces the VFAD. Stay tuned!
As for performance gains, I recorded a maximum power gain of 5.7HP over stock which is pretty damn close to Racing Beat's claim of 5.8HP. Torque gain is about 4Nm. All this translates to a time difference faster than the stock intake of
20m - About even
100m - 0.08s
200m - 0.15s
300m - 0.19s
400m - 0.22s
Relative to speeds, the REVi Intake is faster than the stock intake by
0-40 - About even
0-60 - 0.03s
0-80 - 0.20s
0-100 - 0.24s
0-120 - 0.33s
0-140 - 0.38s
Quite decent power gains over the stock intake, but the REVi's performance gains up in the high speed region seemed to be bottoming out. This is probably due to the restrictive VFAD still in place. I'm excited to see what the Ram Air "Excavator" Duct can do when it replaces the VFAD. Stay tuned!
Last edited by sqflyer; 09-21-2005 at 06:43 PM. Reason: Calculated wrongly :p
09-20-2005, 11:51 PM
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Originally Posted by sqflyer
I've just managed to get my hands on a complete set and will be doing some performance testing soon.
Have you tried the intake without the sucker?
cheers
09-21-2005, 02:31 AM
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I assume by "sucker" you're refering to the "excavator" and not me! :D Maybe we can just stick to "duct" so we don't confuse other readers.
Anyway, I'm going to find out today. I made some measurements and it should fit nicely except of coz the duct will stick out of my front grill, but that's only because my front grill is set very deep into my front bumper (it will not stick beyond my bumper).
Have I tried the intake without the duct? Well, I posted in my initial review above that it's done with just the intake alone and without the ram air duct. Perhaps you read too fast... drive fast, read oso fast... or perhaps you need new glasses?
Anyway, I'm going to find out today. I made some measurements and it should fit nicely except of coz the duct will stick out of my front grill, but that's only because my front grill is set very deep into my front bumper (it will not stick beyond my bumper).
Have I tried the intake without the duct? Well, I posted in my initial review above that it's done with just the intake alone and without the ram air duct. Perhaps you read too fast... drive fast, read oso fast... or perhaps you need new glasses?
Last edited by sqflyer; 09-21-2005 at 02:35 AM.
09-21-2005, 02:58 AM
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Originally Posted by sqflyer
I assume by "sucker" you're refering to the "excavator" and not me! :D Maybe we can just stick to "duct" so we don't confuse other readers.
Anyway, I'm going to find out today. I made some measurements and it should fit nicely except of coz the duct will stick out of my front grill, but that's only because my front grill is set very deep into my front bumper (it will not stick beyond my bumper).
Have I tried the intake without the duct? Well, I posted in my initial review above that it's done with just the intake alone and without the ram air duct. Perhaps you read too fast... drive fast, read oso fast... or perhaps you need new glasses?
Anyway, I'm going to find out today. I made some measurements and it should fit nicely except of coz the duct will stick out of my front grill, but that's only because my front grill is set very deep into my front bumper (it will not stick beyond my bumper).
Have I tried the intake without the duct? Well, I posted in my initial review above that it's done with just the intake alone and without the ram air duct. Perhaps you read too fast... drive fast, read oso fast... or perhaps you need new glasses?
This sounds familiar
Things starts to appear blur?? No need new glasses. He's just becoming faster.
(quote by takumi father)
09-21-2005, 03:11 AM
#16
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Originally Posted by sqflyer
I assume by "sucker" you're refering to the "excavator" and not me! :D Maybe we can just stick to "duct" so we don't confuse other readers.
Anyway, I'm going to find out today. I made some measurements and it should fit nicely except of coz the duct will stick out of my front grill, but that's only because my front grill is set very deep into my front bumper (it will not stick beyond my bumper).
Have I tried the intake without the duct? Well, I posted in my initial review above that it's done with just the intake alone and without the ram air duct. Perhaps you read too fast... drive fast, read oso fast... or perhaps you need new glasses?
Anyway, I'm going to find out today. I made some measurements and it should fit nicely except of coz the duct will stick out of my front grill, but that's only because my front grill is set very deep into my front bumper (it will not stick beyond my bumper).
Have I tried the intake without the duct? Well, I posted in my initial review above that it's done with just the intake alone and without the ram air duct. Perhaps you read too fast... drive fast, read oso fast... or perhaps you need new glasses?
Flyer, You got any photos of this installation ??
09-21-2005, 03:58 AM
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Originally Posted by sqflyer
I assume by "sucker" you're refering to the "excavator" and not me! :D Maybe we can just stick to "duct" so we don't confuse other readers.
Anyway, I'm going to find out today. I made some measurements and it should fit nicely except of coz the duct will stick out of my front grill, but that's only because my front grill is set very deep into my front bumper (it will not stick beyond my bumper).
Have I tried the intake without the duct? Well, I posted in my initial review above that it's done with just the intake alone and without the ram air duct. Perhaps you read too fast... drive fast, read oso fast... or perhaps you need new glasses?
Anyway, I'm going to find out today. I made some measurements and it should fit nicely except of coz the duct will stick out of my front grill, but that's only because my front grill is set very deep into my front bumper (it will not stick beyond my bumper).
Have I tried the intake without the duct? Well, I posted in my initial review above that it's done with just the intake alone and without the ram air duct. Perhaps you read too fast... drive fast, read oso fast... or perhaps you need new glasses?
I dont read too fast, I dont drive 'cough' too 'cough' fast 'cough', I dont need glasses.... I'm just a lazy reader, normally I'll skip a word here or there, dont know why this time round I skip the whole paragraph :p
Thanks for the review. I have the revi, but never knew how much it actually gain. But i do love the sound though. Will be intersted to know the result of having the 'sucker' in there.
Cheers
09-21-2005, 06:43 PM
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Installed the REVi Ram Air Duct yesterday. Quite straightforward installation but the 2 out of 3 mounting points didn't really fit my front bumper bar and it was getting dark so I didn't fabricate longer mounting plates to bolt it down (but it can be done). I just bolted down the one on top near the bonnet release catch and I think it should be fine. Noticed that the way Racing Beat designed the REVi Intake and the Ram Air Duct left a small gap (not completely sealed) between the Intake and the air inlet mouth on the car body and between the Ram Air Duct and the car body wasn't ideal and only thought of a better way to seal up the gap after everything was put back together. I'm gonna have to take it apart again and seal it up with my own method sometime in future. At first glace, it looks a little odd because the duct is clearly visible from the center inlet of my front bumper as opposed to hidden behind the plastic mesh of a stock bumper. But I guess the "cool" factor and perhaps some ram air effect is more important. Ok, now for the good stuff.
Comparison between the REVi Intake with the Ram Air Duct vs. the stock intake.
POWER
Max power gain of around 9HP over the stock intake
TORQUE
Max torque gain of around 12.5Nm over the stock intake
Time difference faster than the stock intake relative to distance
20m - 0.01s
100m - 0.09s
200m - 0.19s
300m - 0.25s
400m - 0.32s
Time difference faster than the stock intake relative to acceleration
0-40 - About even
0-60 - 0.03s
0-80 - 0.23s
0-100 - 0.32s
0-120 - 0.50s
0-140 - 0.68s
Next, a comparison between the REVi Intake with the Ram Air Duct vs. just the REVi Intake alone without the Ram Air Duct for those of you who already have the REVi Intake installed and considering to get the Ram Air Duct.
POWER
Max power gain of 3.4HP over just the REVi Intake without the Ram Air Duct
TORQUE
Max torque gain of 8.5Nm over just the REVi Intake without the Ram Air Duct
Time difference faster than just the REVi Intake without the Ram Air Duct relative to distance
20m - About even
100m - 0.01s
200m - 0.04s
300m - 0.06s
400m - 0.10s
Time difference faster than just the REVi Intake without the Ram Air Duct relative to acceleration
0-40 - About even
0-60 - About even
0-80 - 0.03s
0-100 - 0.08s
0-120 - 0.17s
0-140 - 0.32s
Seems the ram air is indeed having some real effect after 100km/h. In fact the trap speed at 400m was almost 7km/h higher than just the REVi Intake without the Ram Air Duct.
Comparison between the REVi Intake with the Ram Air Duct vs. the stock intake.
POWER
Max power gain of around 9HP over the stock intake
TORQUE
Max torque gain of around 12.5Nm over the stock intake
Time difference faster than the stock intake relative to distance
20m - 0.01s
100m - 0.09s
200m - 0.19s
300m - 0.25s
400m - 0.32s
Time difference faster than the stock intake relative to acceleration
0-40 - About even
0-60 - 0.03s
0-80 - 0.23s
0-100 - 0.32s
0-120 - 0.50s
0-140 - 0.68s
Next, a comparison between the REVi Intake with the Ram Air Duct vs. just the REVi Intake alone without the Ram Air Duct for those of you who already have the REVi Intake installed and considering to get the Ram Air Duct.
POWER
Max power gain of 3.4HP over just the REVi Intake without the Ram Air Duct
TORQUE
Max torque gain of 8.5Nm over just the REVi Intake without the Ram Air Duct
Time difference faster than just the REVi Intake without the Ram Air Duct relative to distance
20m - About even
100m - 0.01s
200m - 0.04s
300m - 0.06s
400m - 0.10s
Time difference faster than just the REVi Intake without the Ram Air Duct relative to acceleration
0-40 - About even
0-60 - About even
0-80 - 0.03s
0-100 - 0.08s
0-120 - 0.17s
0-140 - 0.32s
Seems the ram air is indeed having some real effect after 100km/h. In fact the trap speed at 400m was almost 7km/h higher than just the REVi Intake without the Ram Air Duct.
09-21-2005, 07:44 PM
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Originally Posted by sqflyer
Installed the REVi Ram Air Duct yesterday. Quite straightforward installation but the 2 out of 3 mounting points didn't really fit my front bumper bar and it was getting dark so I didn't fabricate longer mounting plates to bolt it down (but it can be done). I just bolted down the one on top near the bonnet release catch and I think it should be fine. Noticed that the way Racing Beat designed the REVi Intake and the Ram Air Duct left a small gap (not completely sealed) between the Intake and the air inlet mouth on the car body and between the Ram Air Duct and the car body wasn't ideal and only thought of a better way to seal up the gap after everything was put back together. I'm gonna have to take it apart again and seal it up with my own method sometime in future. At first glace, it looks a little odd because the duct is clearly visible from the center inlet of my front bumper as opposed to hidden behind the plastic mesh of a stock bumper. But I guess the "cool" factor and perhaps some ram air effect is more important. Ok, now for the good stuff.
Comparison between the REVi Intake with the Ram Air Duct vs. the stock intake.
POWER
Max power gain of around 9HP over the stock intake
TORQUE
Max torque gain of around 12.5Nm over the stock intake
Time difference faster than the stock intake relative to distance
20m - 0.01s
100m - 0.09s
200m - 0.19s
300m - 0.25s
400m - 0.32s
Time difference faster than the stock intake relative to acceleration
0-40 - About even
0-60 - 0.03s
0-80 - 0.23s
0-100 - 0.32s
0-120 - 0.50s
0-140 - 0.68s
Next, a comparison between the REVi Intake with the Ram Air Duct vs. just the REVi Intake alone without the Ram Air Duct for those of you who already have the REVi Intake installed and considering to get the Ram Air Duct.
POWER
Max power gain of 3.4HP over just the REVi Intake without the Ram Air Duct
TORQUE
Max torque gain of 8.5Nm over just the REVi Intake without the Ram Air Duct
Time difference faster than just the REVi Intake without the Ram Air Duct relative to distance
20m - About even
100m - 0.01s
200m - 0.04s
300m - 0.06s
400m - 0.10s
Time difference faster than just the REVi Intake without the Ram Air Duct relative to acceleration
0-40 - About even
0-60 - About even
0-80 - 0.03s
0-100 - 0.08s
0-120 - 0.17s
0-140 - 0.32s
Seems the ram air is indeed having some real effect after 100km/h. In fact the trap speed at 400m was almost 7km/h higher than just the REVi Intake without the Ram Air Duct.
Comparison between the REVi Intake with the Ram Air Duct vs. the stock intake.
POWER
Max power gain of around 9HP over the stock intake
TORQUE
Max torque gain of around 12.5Nm over the stock intake
Time difference faster than the stock intake relative to distance
20m - 0.01s
100m - 0.09s
200m - 0.19s
300m - 0.25s
400m - 0.32s
Time difference faster than the stock intake relative to acceleration
0-40 - About even
0-60 - 0.03s
0-80 - 0.23s
0-100 - 0.32s
0-120 - 0.50s
0-140 - 0.68s
Next, a comparison between the REVi Intake with the Ram Air Duct vs. just the REVi Intake alone without the Ram Air Duct for those of you who already have the REVi Intake installed and considering to get the Ram Air Duct.
POWER
Max power gain of 3.4HP over just the REVi Intake without the Ram Air Duct
TORQUE
Max torque gain of 8.5Nm over just the REVi Intake without the Ram Air Duct
Time difference faster than just the REVi Intake without the Ram Air Duct relative to distance
20m - About even
100m - 0.01s
200m - 0.04s
300m - 0.06s
400m - 0.10s
Time difference faster than just the REVi Intake without the Ram Air Duct relative to acceleration
0-40 - About even
0-60 - About even
0-80 - 0.03s
0-100 - 0.08s
0-120 - 0.17s
0-140 - 0.32s
Seems the ram air is indeed having some real effect after 100km/h. In fact the trap speed at 400m was almost 7km/h higher than just the REVi Intake without the Ram Air Duct.
09-21-2005, 08:01 PM
#21
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Originally Posted by ngkenny
flyer...i feel safe with you flying the plane. No stones left unturned. No figures left uncalculated.
09-21-2005, 11:26 PM
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Originally Posted by coupe07
ya man.... flyer is a very meticulous man.... he has all the figures! mrs flyer must be a blessed lady!
