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Old 02-14-2006, 07:15 AM   #21
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jury' still out on the WAI

jury' still out on the WAI for my car. i saw a negligible difference at the high intake temps i was running. certainly no worse, however.
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Old 02-14-2006, 08:11 AM   #22
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I can defintly tell you that

I can defintly tell you that for my car the WAI produced more power which killed my mpg a little. My car didn't have to shift back and forth from 3rd to 4th because you could hear the WAI sucking more air.

On a hybrid car it would be completly different. Those cars are just too weird. You get a wai for them they increase mpg. You put a turbo they increase mpg. Those cars are just too weird.
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Old 02-14-2006, 08:50 AM   #23
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Re: I can defintly tell you that

Quote:
Originally Posted by Compaq888
I can defintly tell you that for my car the WAI produced more power which killed my mpg a little. My car didn't have to shift back and forth from 3rd to 4th because you could hear the WAI sucking more air.

On a hybrid car it would be completly different. Those cars are just too weird. You get a wai for them they increase mpg. You put a turbo they increase mpg. Those cars are just too weird.
THe more I think about it the more I think the WAI will in fact work on my engine once it's dropped in. I think this is so because the d15z1 (my new engine) was built for economy. It also has a "lean burn" mode, which I'm sure warmer air will help activate. Perhaps it doesn't work on the Altima because it isn't build for maximum economy, and wasn't built to try to get the leanest mixtures possible.

Also note that the cars the WAI actually work on have wideband o2 sensors.
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Old 02-14-2006, 09:02 AM   #24
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Re: I can defintly tell you that

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Originally Posted by Matt Timion
THe more I think about it the more I think the WAI will in fact work on my engine once it's dropped in. I think this is so because the d15z1 (my new engine) was built for economy. It also has a "lean burn" mode, which I'm sure warmer air will help activate. Perhaps it doesn't work on the Altima because it isn't build for maximum economy, and wasn't built to try to get the leanest mixtures possible.

Also note that the cars the WAI actually work on have wideband o2 sensors.
From what I understand, the D15Z1 was a predecessor to the Insight and HCH engines. Both of the hybrid engines have the lean burn capability. Honda Hybrid drivers complain about cold weather because they cannot get lean burn to engage. The WAI helps extend the temperature range where lean burn is available. So as was mentioned before, the WAI does not increase mileage in Honda hybrids, it just reduces the negative effect of lower temperatures.
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Old 02-14-2006, 11:11 AM   #25
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Overiflating tires

Overnflating tires (i.e. higher that the pressure rating stamped on the sidewall) is a good way to get a blow out. Let's restrict our modifications to SAFE ones.
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Old 02-14-2006, 11:24 AM   #26
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Quote:I can defintly tell

Quote:
I can defintly tell you that for my car the WAI produced more power which killed my mpg a little. My car didn't have to shift back and forth from 3rd to 4th because you could hear the WAI sucking more air.
This (besides your pictures looking not wai-like) tells me that you set up the WAI as a CAI. There is NO reason that a WAI would make more power, and also, if it was sucking more air then the air must have been colder, as warm air would be less air getting sucked in.
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Old 02-14-2006, 11:47 AM   #27
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For the last time it's a

For the last time it's a WAI. Injen sells it as a WAI. CAI's go do in the fender area to suck cool air. A WAI sucks in engine bay air. A WAI sucks in more air because the stock intake box is restrective.
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Old 02-14-2006, 11:49 AM   #28
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Re: Overiflating tires

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Originally Posted by Sludgy
Overnflating tires (i.e. higher that the pressure rating stamped on the sidewall) is a good way to get a blow out. Let's restrict our modifications to SAFE ones.
My sidewall max pressure is 44psi. I pumped up my tires to 40psi. My health is more important than a couple mpgs.
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Old 02-14-2006, 12:00 PM   #29
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Re: Overiflating tires

Quote:
Originally Posted by Sludgy
Overnflating tires (i.e. higher that the pressure rating stamped on the sidewall) is a good way to get a blow out. Let's restrict our modifications to SAFE ones.
Actually, underinflated tires are more likely to cause a blowout according to at least one article that I read recently. Remember Firestone and the Ford Explorer? A combination of high speed and low tire pressure were co-contributors to those blowouts.

Other than sidewall warnings and dire warnings on tire related websites, can someone please point me toward reports of actual failures due to overinflation? If it is so dangerous, there are probably lots of examples, right? I googled and googled but was not able to find anything. But that was about a year ago. I'm just too lazy to regoogle.

People ask the question all of the time about tire pressures. I don't understand why we would decide not to discuss it. Seems like censorship to me.
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Old 02-14-2006, 12:08 PM   #30
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That's a short ram intake,

That's a short ram intake, which is not designed to get warm air, just to get more of it and sound better. The thing that says this to me is that it's a performance intake, rather than one designed to get less performance in favor of fuel economy.
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