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Old 03-22-2009, 07:38 PM   #1
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HAI Experiment

I will be conducting an accurate test to either prove or disprove wether a HAI will help on milage.

Parameters:

Car:
2003 Saturn LW200 automatic on Khumo ecsta ASX LRR tires (51psi) factory intake with OEM filter. HAI mod for HAI route and a 3" cold air feed for CAI route

Test loop:
65 mile loop including stop and go as well as hills and flats. 32 miles out 32 miles back

Fuel:
Shell premium 92 oct RON+MON/1

test equipment:
scangague II and a calculator (for end of run fillup calculation)

I will add the road conditions time of day and ambient temperature.
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Old 03-23-2009, 12:44 PM   #2
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here are the results first the hot intake
AIT 135f

miles traveled 65.2


fuel used 1.53


MPG 42.61

Cold intake
AIT 71f

miles traveled 65.6


fuel used 2.018


MPG 32.507

tank was filled to 3 clicks (fill till pump clicks off then manual for 2 more)
both trips were on the same road
Ambient temp was 68f
dry road
time 12-3pm

difference of 10.1mpg
Looks like Hot air works better for MPG than cold

I hope this puts this issue to rest
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Old 03-23-2009, 07:35 PM   #3
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Wow that is an impresive increase.
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Distance traveled by bicycle in 2007= 1,830ish miles
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Old 03-23-2009, 08:16 PM   #4
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I have to admit it even surprised me but I'm kind of glad it proved all the labor I put into it was worth it.
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Old 03-23-2009, 08:21 PM   #5
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its good to see the hard numbers. i knew they helped, but i had no idea it was that much.
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Old 03-23-2009, 08:47 PM   #6
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Keep in mind your milage may vary but I think I can say without a doubt it works.
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Old 03-24-2009, 04:40 AM   #7
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Post Removed Due To Inappropriate Language And Personal Attacks.
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Old 03-24-2009, 04:42 AM   #8
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I presume the outdoor temp was the same as the inlet temp in the second test (71f)? It'd be interesting to see the difference in cold & hot weather as well, although I realize this is work. Maybe once I set it up on my vehicle.

When there's uncertainty, I just use the following:

(chance of success)*(estimate of benefit) + (fun of trying)
vs
(cost & effort to try) + (chance of damage)*(estimated cost of damage)

In this case everything on the right hand side is very low. Since the chance of success is mixed, and some people are claiming a good sized benefit I think it's worth giving a shot.
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Main Entry: co de pen dence - see codependency
co de pen den cy
Pronunciation: \kō-di-ˈpen-dən(t)-sē\
Function: noun
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: a psychological condition or a relationship in which a person is controlled or manipulated by another who is affected with a pathological condition (as an addiction to alcohol or heroin) ; broadly : dependence on the needs of or control by another
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Old 03-24-2009, 07:19 AM   #9
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his test is total BS?

I don't see you doing any testing. it is easy to discredit someone elses efforts. where are yours? he is at least doing something.

the whole "not good enough" thing is easy to say when you have done nothing. if you don't agree with his results, do one yourself. disprove him the scientific way, not just by saying it's BS.

it is nice to see our newer members contributing so much
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Old 03-24-2009, 07:27 AM   #10
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I have to ask myself why does this differ from those $30 vortex air swirling gizmos. I'm sure if I looked I could find somebody claiming success with them.

Well, for a start, no one's trying to sell me anything, so they have no vested interest in lying. Second is that it'll cost a lot less than $30. Finally, there's more doubt (at least to my mind) as to whether or not it may be viable.

Take it for what it's worth.
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Main Entry: co de pen dence - see codependency
co de pen den cy
Pronunciation: \kō-di-ˈpen-dən(t)-sē\
Function: noun
Date: 1979

: a psychological condition or a relationship in which a person is controlled or manipulated by another who is affected with a pathological condition (as an addiction to alcohol or heroin) ; broadly : dependence on the needs of or control by another
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