Steeda CAI Review and Install Notes:

[Knight5.0]

I have the Steeda CAI and when the vehicle is moving my IAT temps run about 5 to 10 degrees over ambient.
If you close the hood during dyno you're going to get higher IAT temps which would not be in line with actual driving conditions. If opening the hood during dyno gets you closer to actual IAT while driving then it seems you'd want to do that.

You have big fans blowing air on the front of the car during a Dyno.


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[MyMilkshake...]

It also negates heat soak, everything it is pulling in is fresh cold air from the fan, NOTHING like real driving situations, obviously an open filter is better under these circumstances, if you leave the throttle body open and blow air straight down it it's going to work better than all these methods, close the hood and do it properly,

 

[Knight5.0]

I have had steeda intakes on 3 different mustangs. I like them. But when you test with hood down real world driving scenario the power will be a little less on any open element intake. But steeda would still retain the higher numbers.


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[Knight5.0]

It also negates heat soak, everything it is pulling in is fresh cold air from the fan, NOTHING like real driving situations, obviously an open filter is better under these circumstances, if you leave the throttle body open and blow air straight down it it's going to work better than all these methods, close the hood and do it properly,

Closer than it does with the hood up. Idk about you but I don't drive around with my hood up.


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[danny0441]

I have had steeda intakes on 3 different mustangs. I like them. But when you test with hood down real world driving scenario the power will be a little less on any open element intake. But steeda would still retain the higher numbers.


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wouldnt the increase from the cai stay the same though ? just lower numbers in general ?

 

[Knight5.0]

wouldnt the increase from the cai stay the same though ? just lower numbers in general ?

yes, and Steeda's numbers are the highest correct? :cheers:

 

[SLA]

You have big fans blowing air on the front of the car during a Dyno.


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It also negates heat soak, everything it is pulling in is fresh cold air from the fan, NOTHING like real driving situations, obviously an open filter is better under these circumstances, if you leave the throttle body open and blow air straight down it it's going to work better than all these methods, close the hood and do it properly,

I have had steeda intakes on 3 different mustangs. I like them. But when you test with hood down real world driving scenario the power will be a little less on any open element intake. But steeda would still retain the higher numbers.


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Closer than it does with the hood up. Idk about you but I don't drive around with my hood up.


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A shop fan isn't going to simulate the amount of air coming in as if you were at speed on the road. And the fan is blowing ambient air not cold a/c. Hood down is further from real world than hood up. And as David said as long as the before and after runs are done under the same conditions it makes no difference .

 

[David@Steeda]

A shop fan isn't going to simulate the amount of air coming in as if you were at speed on the road. And the fan is blowing ambient air not cold a/c. Hood down is further from real world than hood up. And as David said as long as the before and after runs are done under the same conditions it makes no difference .

Exactly what I was just about to say.

[MENTION=19393]MyMilkshake...[/MENTION] we're not the only ones who dyno with the hood up, it's very common since a fan isn't going to simulate the amount of air flow you'd receive going down the highway.

 

[BC]

Closer than it does with the hood up. Idk about you but I don't drive around with my hood up.

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Not trying to start an argument...just curious about this so I'm just asking.

Let's say you're trying to test your CAI on a dyno and you want both tests to have same engine temp and you would like IAT to be about 10 degrees above ambient, because that is what you normally achieve in motion.

If the dyno room is 70 degrees ambient let's say that you close the hood and fans blow air into the front of the car during dyno. Lets say during the dyno your IAT is 80 degrees, 10 degrees above ambient.

Now lets say the room is still 70 degrees, you open the hood and with hood open you still get IAT = 80 degrees, 10 degrees above ambient.

What's the difference?

It seems if you achieved you're target of 10 degrees above ambient in both cases it shouldn't matter if the hood is up or down.

 

[Knight5.0]

A shop fan isn't going to simulate the amount of air coming in as if you were at speed on the road. And the fan is blowing ambient air not cold a/c. Hood down is further from real world than hood up. And as David said as long as the before and after runs are done under the same conditions it makes no difference .

So how do you blow A/C air into your intake? The fans blow plenty of air unless you have shitty fans, and when is hood up ever more real world than hood down?? I never drive with my hood up. you always have ambient air being drawn into your intake. Hood down, the way you drive your car around is more real world than with the hood up when using open element filter.

 

[Knight5.0]

Exactly what I was just about to say.

[MENTION=19393]MyMilkshake...[/MENTION] we're not the only ones who dyno with the hood up, it's very common since a fan isn't going to simulate the amount of air flow you'd receive going down the highway.

its not a ram air system guys. I have nothing against you or the numbers you provided here. I just bought this intake. But the numbers will be a little lower on any open element filter intake with hood down Vs. hood up. You guys are still the best in my book.

 

[Knight5.0]

Not trying to start an argument...just curious about this so I'm just asking.

Let's say you're trying to test your CAI on a dyno and you want both tests to have same engine temp and you would like IAT to be about 10 degrees above ambient, because that is what you normally achieve in motion.

If the dyno room is 70 degrees ambient let's say that you close the hood and fans blow air into the front of the car during dyno. Lets say during the dyno your IAT is 80 degrees, 10 degrees above ambient.

Now lets say the room is still 70 degrees, you open the hood and with hood open you still get IAT = 80 degrees, 10 degrees above ambient.

What's the difference?

It seems if you achieved you're target of 10 degrees above ambient in both cases it shouldn't matter if the hood is up or down.

I'm not trying to argue with anyone, just trying to tell you what makes sense to me. Even some big names in tuning will tell you this about open element filters on the dyno. Two different ones told me this and that's what got me thinking about it.

The intake breaths better wen totally open to air than when you close the hood and crate some what of a box. When i go to the Dyno in a week or two i will test this and write the info down. i wouldn't think the IAT would change much. mine are 10 to 15 above ambient when driving anyway.

 

[SLA]

So how do you blow A/C air into your intake? The fans blow plenty of air unless you have shitty fans, and when is hood up ever more real world than hood down?? I never drive with my hood up. you always have ambient air being drawn into your intake. Hood down, the way you drive your car around is more real world than with the hood up when using open element filter.

Milkshake reffered to the air from a shop fan as "cold" air hence my comment that its ambient air not a/c.

No shop fan or blower fan is going to put out the amount of wind that moving down the road @ 40+ mph will. Unless your dyno is in a wind tunnel hood down is going to cause much higher IAT's than real world while driving down the road. Put your hand out the window next time you're going 50mph, you can't tell me any fan used while doing a dyno run is blowing anywhere near that hard.

 

[Knight5.0]

Milkshake reffered to the air from a shop fan as "cold" air hence my comment that its ambient air not a/c.

No shop fan or blower fan is going to put out the amount of wind that moving down the road @ 40+ mph will. Unless your dyno is in a wind tunnel hood down is going to cause much higher IAT's than real world while driving down the road. Put your hand out the window next time you're going 50mph, you can't tell me any fan used while doing a dyno run is blowing anywhere near that hard.

ok, i missed your reference is all. Sorry about that. i really dont think the IAT will be much more if any more than driving 65 mph. The fans my dyno guy uses feels like they are blowing at 60 mph.. lol like i said i will test this when i go to the dyno in a week or so. i have even took black rtv and sealed up where the snorkel connects to the steeda box trying to get my IAT's down. didnt do much. still 10 to 15 above ambient when driving even at 70 mph.

 

[Knight5.0]

.

I also sealed up around the velocity stack to the box. I had big gap at the top and bottom.


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