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Performance, Brainstorming & Tuning Talk about modifications, or anything else associated with performance enhancements. Have a new idea for performance/reliability? Post it here. No idea is stupid! (please use Detailing and Appearance for cosmetic ideas)

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Old 03-19-2007, 10:16 PM   #1
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So i was lookin at the FWI'* offered by intense and the one for 98-03 cars is 179.99 which is about $80 more expensive then all the other applications, so i added all the stuff up
1. 3 ft of intake tubing about $36
2. 9" K n N Cone Filter $45
3. PCM Tray $16.99

All adds up to be a little under $100
not added in the cost would be the coupler and the ring tightner things
but i dont understand why they would be an extra $80??
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Old 03-19-2007, 10:19 PM   #2
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the coupler and the clamps are top notch....also the coupler has a specific hole for the IAT....its worth it
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Old 03-19-2007, 10:21 PM   #3
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yeah i really want to get one its just 180 is alot
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Old 03-19-2007, 10:26 PM   #4
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you can also relocate the IAT (i'm in the process of figuring out a way to do that/where I want it)...i can sell you the reinforced silicone coupler with IAT hole for cheap....
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Old 03-19-2007, 10:30 PM   #5
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how cheap....
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Old 03-19-2007, 11:22 PM   #6
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Get an extension harness and relocate the IAT to the filter or directly above it:

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Not here:

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I found 2 FWI'* at WCBF that had the IAT sensor body heatsoaked on a VERY hot day. Granted this is an extreme case, but the best bet is to go UPstream.
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Old 03-20-2007, 08:56 AM   #7
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Quote:
Originally Posted by willwren
Granted this is an extreme case, but the best bet is to go UPstream.
wouldn't this only result in false readings. the IAT should be in the same location as the stock tubing, it is meant to measure air going into the engine, not into the airbox. All you are doing by moving it to the filter is forcing a slightly richer mixture. you might as well toss a resistor in parallel or series (whichever would be appropriate in this situation) to slightly lower the temp readings.


and yes, the t-bolt clamps and that coupler are not cheap parts
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Old 03-20-2007, 09:07 AM   #8
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In the S1'* the sensor was in the airbox and therefore 92-95 I can see where this makes sense. For the 96-99'* however.. the pcm is programmed to expect the heatsoaked temps.

Overall..I doublt there'* much of a difference in either position.
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Old 03-20-2007, 09:17 AM   #9
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Quote:
Originally Posted by BillBoost37
Overall..I doublt there'* much of a difference in either position.
i agree that there likely is no more than a minuscule difference in temps at the different locations, i just think that it is failed logic to move it to the filter area
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Old 03-20-2007, 09:20 AM   #10
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I'm not so sure I'd call it failed logic. In WillWren'* case it makes sense ... he'* keeping it in an area similar to stock. Therefore the PCM/ECU is seeing things as expected. With the lack of tuning ability on the S1'* and the restriction of no tuning or programming easily or quickly attainable.. it'* about the best that can be done.
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