Supercharged/Turbocharged The increase in air/fuel pressure above atmospheric pressure in the intake system caused by the action of a supercharger or turbocharger attached to an engine.

MODIFIED AutoMeter A/F Gauge .78v-.98v in .01v increments?

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Old 08-26-2003, 11:52 AM
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MODIFIED AutoMeter A/F Gauge .78v-.98v in .01v increments?

http://www.hallmanboostcontroller.com/order.html#ES

2 & 1/16" Ultra Light Style (Silver Face / Silver Bezel)

Key features: The operating bandwidth has been narrowed to encompass .78v to .98v in .01v increments. This range covers the wide open throttle area needed for precise tuning. Each gauge is accompanied with a calibration sheet covering each of the 20 LED's to what voltage they are. These gauges are awesome for tuning, they react with incredible speed and accuracy.
Anybody try one of these? I wonder if this is better then the normal A/F gauge people complain about.
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Old 08-26-2003, 01:26 PM
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Well i would imagine from the price and what that says that it is better. Myself i would just stick to an AFR on the rear bank and a EGT on the front bank. Cant go wrong there.
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Old 08-26-2003, 01:31 PM
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I'm starting to perfer the digital AF gauges rather than the christmas light ones....even being that they are a tad slower in reaction I think straight voltage readinds are much more reliable and easy to understand/use rather than trying to match the lights with the equivalent voltage readings.
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Old 08-26-2003, 01:43 PM
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Yeah that is a tad annoying unless you have all the lights memorized.
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Old 08-27-2003, 11:01 AM
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You guys should check out the dynotune.org digital a/f and egt gauges. They give the most accurate reading down to the .01 for actual oxygen/airfuel reading and to the 1 degree point for the egt. The only downside is there is no peak memory to get after a wot run. The a/f gauge does give an exact reading when wot, that can be converted to an actual ratio ie 12:1,11.5:1 or the other direction leaner. The egt probe responds just as fast, check them out, they may be able to add a peak/memory feature. These keyfob size readouts are much more concealable than bulky round gauges, if of course you don't need/want the bling of those big A pillar mounts.
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