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I've got a 2003 A4, and had it dyno'd at the Cruise-In this past May. The only "performance" mods are the Blackwing and Borla dual-tips.
Three runs on the dyno produced pretty consistent numbers between 297 and just a shade under 300. I was told by the tester that (Backstreet) that I needed new plugs, and sure enough, I did. The old ones were pretty well burnt when I had them changed.
Not sure what it would be with no mods at all.
I can't't tell any difference with the Blackwing, except I think my gas mileage dropped.
I've got a 2003 A4, and had it dyno'd at the Cruise-In this past May. The only "performance" mods are the Blackwing and Borla dual-tips.
Three runs on the dyno produced pretty consistent numbers between 297 and just a shade under 300. I was told by the tester that (Backstreet) that I needed new plugs, and sure enough, I did. The old ones were pretty well burnt when I had them changed.
Not sure what it would be with no mods at all.
I can't't tell any difference with the Blackwing, except I think my gas mileage dropped.
St. Jude Donor '03-'04-'05-'06-'07-'08-'09-'10-'11-'12-'13-'14-'15-'16-'17
Originally Posted by LF97C5Vette
Some folks seem a little confused on some different types of intakes.
There are:
Ram Air
Cold Air
Warm Air (aka Short Ram, but i don't know why...)
Ram Air intakes have a scoop like funnel that catches the outside air and feeds it directly into the engine. This by nature means cold air, but with the added benifit of higher velocity denser air from the speed of the vehicle.
Cold Air intakes simply relocate the air intake to a position where they can feed off the air outside the engine bay, but may not have the added benefit of Ram Air. Thus, RA is CA, but CA may not always be RA... lol
Warm Air intakes are just different filters and boxes typically in the stock location or close to it. They draw air from the engine compartment and may add some power simply by increasing air flow, but no Ram Air and no Cold Air to help...
Hope that clears up any confusion.
I'd go with the Callaway Honker.
Dan
That does clear some things up. I have a Vortec Rammer which is a ram air intake. That's why I notice a difference when the car is moving and other don't.
Good summary except for ram air. True ram air where you incease atmospheric pressure (boost) is something that requires a speed of well over 140mph(your higher velocity) to begin to achieve. Many folks refer to ram air as you said a scoop to force air directly into the engine and for this the only real improvement is again making it cooler air.
So for speeds under 140mph you just have a really good cold air intake, but speeds 'well over' 140mph you actually start to see increased atmospheric pressure or "Boost". Although, higher velocity air still gives the added benifit of increase manifold velocity right? Because the speed of the air in the intake manifold should be quicker with ram air than just a CAI, and assuming the manifold is designed well that should benifit it's effeciency.
So for speeds under 140mph you just have a really good cold air intake, but speeds 'well over' 140mph you actually start to see increased atmospheric pressure or "Boost". Although, higher velocity air still gives the added benifit of increase manifold velocity right? Because the speed of the air in the intake manifold should be quicker with ram air than just a CAI, and assuming the manifold is designed well that should benifit it's effeciency.
The Blackwing I had on my car caused problems so i took it off and replaced it with a Z06 airbox and now the car has no problems and it seems to run even better now the Blackwing is gone.
you guys on this thread are funny. first of all you arent going to see anything more than a couple rwhp with just a cold air intake. and those of you claiming SOTP feel do you even realize how much power it takes to notice a difference in SOTP feel? it takes about 15-20rwhp which i know your not gaining with this intake. i think its more of a palcebo effect than anything. stop it with the magazine racing and do some real research of your own. companies selling or advertising products are paying these magazine editors loads of money. do you really think they are going to tell you that they only got 1-2rwhp?
you guys on this thread are funny. first of all you arent going to see anything more than a couple rwhp with just a cold air intake. and those of you claiming SOTP feel do you even realize how much power it takes to notice a difference in SOTP feel? it takes about 15-20rwhp which i know your not gaining with this intake. i think its more of a palcebo effect than anything. stop it with the magazine racing and do some real research of your own. companies selling or advertising products are paying these magazine editors loads of money. do you really think they are going to tell you that they only got 1-2rwhp?
By seat of the pants feel I was not talking about HP, I was talking throttle response. Mine when front somewhat anemic in that dept to wow! I agree with the 15-20 hp to feel a difference there.
I dunno, the link I posted on that other forum was from a regular member who got 15 (if I remember now) from the dyno test. I'm not so sure it's all bs. these cars have 350 to 400 hp, we're only talking 3 to 4% increase in power, why is that so hard to believe? I spent a lot of time dealing with imports before the vette and 3 to 5% hp increase is the norm of what to expect, some get more some get less. Yes just changing to a short ram may yield next to nothing but cai's do provide much cooler air than what's under the hood along with less restrictive breathing, all the test's I'd ever seen showed a significant increase with cai's.
I dunno, the link I posted on that other forum was from a regular member who got 15 (if I remember now) from the dyno test. I'm not so sure it's all bs. these cars have 350 to 400 hp, we're only talking 3 to 4% increase in power, why is that so hard to believe? I spent a lot of time dealing with imports before the vette and 3 to 5% hp increase is the norm of what to expect, some get more some get less. Yes just changing to a short ram may yield next to nothing but cai's do provide much cooler air than what's under the hood along with less restrictive breathing, all the test's I'd ever seen showed a significant increase with cai's.
all of the dyno numbers are irrelevant unless taken in the same exact conditions, same dyno, same tire pressure, etc. by the time you get that cold air into the actual intake manifold there is very very little difference in air temps. now if you are cooling with some kind of meth or nitrous than there is a huge difference. you will not see 10-15rwhp increase on a stock cube fairly stock corvette engine. now if you were running a 408 with a stock air intake and switched to one of the aftermarket units you may see that big of an increase
Yup I agree CAI will usually net a small gain, and short ram next to nothing. But keep in mind, the Blackwing (the intkae we're talking about here) is a Short Ram. Not a CAI, so seeing 3-4% off this intake is unlikely...
A BlackWing is NOT a cold air intake , is it? I would consider it a performance fitler, but not a cold air intake. Unless your thinking of a different BlackWing than me. It is no different that RIJVETTES suggests- cutting a hole in the stock air box.
I would consider the Vararam a cold air intake system, but not the BlackWing, and I have one on my car (BlackWing that is).
It can be easily...I cut out the area next to my fog lights and cut a large whole underneath it, hence I get a lot of cold air from outside of the engine bay area. So, I would say that throttle response was the most noticeable gain, rwhp? Probably some, but I can't be 100% what the gain was.
It can be easily...I cut out the area next to my fog lights and cut a large whole underneath it, hence I get a lot of cold air from outside of the engine bay area. So, I would say that throttle response was the most noticeable gain, rwhp? Probably some, but I can't be 100% what the gain was.
And i'm sure that helps... but we're still talkin less than 10rwhp... which is difficult to measure... Basically it boils down to - get an Air intake you like, based on quality, looks, and price - then put it on your car and call it a day.
Gains from an intake alone can be difficult to measure/compare. Basline your car, throw on the intake, LT headers, upgraded Intake Manifold and a good CB + a tune and celebrate 40hp gain - that's something you'll feel SOTP.