Aerostar performance
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Aerostar performance
I just got my 92 Aerostar 3.0L a few months ago and now after fixing is mechanical problems I'm looking for ways to wake up the engine a little bit.
I already have a K&N, an IAT mod from a ranger site, and an electric fan. One of the things I'm really curious about is whether or not a chip that's meant for the same year and engine ranger will work in my aerostar and whether or not headers for a ranger will fit or if I'll have to weld up my own.
I already have a K&N, an IAT mod from a ranger site, and an electric fan. One of the things I'm really curious about is whether or not a chip that's meant for the same year and engine ranger will work in my aerostar and whether or not headers for a ranger will fit or if I'll have to weld up my own.
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From: Acworth, GA
Ranger headers theoretically fit, but I would guess some modifiactions would be necessary. Do you have a K&N cone, or panel filter? If it's a panel, remove the silencer cone on the inlet of your airbox and cut another hole in the front (I did 
) it helps throttle response some and upper RPM hp. Also, I'm trying to figure out a good way of eliminating the air tube, since it's a major intake restriction.
) it helps throttle response some and upper RPM hp. Also, I'm trying to figure out a good way of eliminating the air tube, since it's a major intake restriction.
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From: Huntsville, AL
Please fill me in on the IAT mod. I am not sure whether the headers from a ranger will fit but I will be trying some myself shortly. As far as performance goes, I have removed the muffler and will be making my own exhaust w/o cats. Should help out a lot. Removing the muffler has already added 10+ hp. I modded my airbox and it seems to have more grunt on the highway. Sounds a lot better also. A lot deeper and throatier sound. Have an electric fan from an oldsmobile that I will be installing shortly, how much power increase did you notice? I'm expecting 5-10hp but thats just a guess. My 3.0 is a 90 model so it doesnt have a maf sensor in the air tube. Maybe you could take an ecu and an air tube from an earlier model aerostar and do without the maf sensor. Who knows?
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From: Acworth, GA
Eh, the MAF sensor is a good thing. The tube is just an oddity in that it splits into a pair of tubes and then rejoins, all while the tube itself is not smooth on the inside. Probably helps with noise. The IAT mod is basically putting a small resistor somewhere in the temperature sensor and getting a bit richer mix IIRC.
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I have a panel k&n filter so I'll probably mod the lower part of the airbox like you said this weekend. The electric fan seems to have upped the hp a bit, I only put it on a couple days ago, so I haven't really gotten a good feel for how much yet. As far as the IAT mod it is just a resistor wired inline with the Intake air temperature sensor, it makes the computer think incomeing air is cooler and richens the air fuel mixture. It also makes the computer use a more aggressive timing curve. I used a 5.6kohm 1/2watt resistor from radio shack, it cost about 99 cents I believe.
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I think my fan clutch may be going bad, could you give me more info on the electric fan install? Do you remove the fan clutch completley & replace it with the electric fan? Where do you draw electricity from? Also, I live in Florida, will the electric fan keep up with the heat?
Thanks
Thanks
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From: Acworth, GA
The electric fan will actually work better in Florida if you get the appropriate size/thermostat, since it's a constant speed/airflow rather than based on engine RPM (keep cooler in traffic)
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What size fan do you think is appropriate (inches or cfm)? I have a 3.0 extd with dual air. I have never changed my theromastat, but the gauge runs between the n & o in "normal".
Thanks for the response
Thanks for the response
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I removed my silencer cone and made another hole in the air box today. Then I went on a fairly long drive to visit a friend. Seemed to make a pretty good difference at highway speeds, especially with the way I drive 
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