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Old 04-22-2011, 08:03 AM
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Join Date: Jul 2004
Location: Barrington, RI
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What Factors Affect Relationship Between Accelerator Depression and Acceleration?

Two essentially identical cars: 91 300D and 92 300D. Downside is that I notice small differences. The 92 seems to have a quicker response to the depression of the accelerator. With the 91, it seems that I have to depress the accelerator further for the boost to kick in (but not so far that the kickdown solenoid is activated....KS on both cars work fine). But, as long as the accelerator is sufficiently depressed, the acceleration is just fine. It just somehow FEELS less responsive because I have to push more.

So I'm curious: what governs the relationship between how far the pedal is pushed and quickly the car moves? Is there something that can be adjusted, or do I just chalk this up to idiosyncratic differences between the cars?

If it matters....the 91 has three pressure converters, the 92 has two (the updated design); I have replaced the pressure converters on the 92.

Thanks.
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