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A/C in package cars
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<blockquote data-quote="soberups" data-source="post: 864018" data-attributes="member: 14668"><p>1. An A/C system requires a compressor, which runs off of a belt, which runs off of a pulley. If the engine was not designed from the factory with such a pulley, you have to fabricate one.</p><p></p><p>2. An A/C system puts an additional load on the engine, which translates into additional heat. Vehicles with A/C typically require a heavier-duty cooling system than an identical vehicle without A/C. If you dont believe me, then go to any auto parts store and order a new radiator for an old car. They will ask you whether you have A/C or not, and if you do the replacement radiator will be a heavier-duty unit that is more expensive.</p><p></p><p>3. All of the newer package cars have computerized ignition and engine management systems that control timing, fuel injection and even the shift points for the automatic transmissions. These systems were designed from the factory for use <em>without</em> air conditioning. Jury-rigging an aftermarket A/C system would require these systems to be replaced or reprogrammed in order for the vehicles to run properly and comply with emissions standards.</p><p></p><p>4. Your "truck A/C" kit retails for $1099.99, but that does <em>not</em> include the labor involved in installing it. That price also does <em>not</em> factor in the 10-15% <strong>decrease in fuel economy</strong> that results from using A/C. With fuel approaching $4 per gallon for a package car that gets a mere 10 MPG, the additional operating costs are substantial.</p><p></p><p>5. I own a 1976 Chevy 3/4 ton 4x4 truck with a 350 V8. It came with factory A/C; when the Freon leaked out, I removed the system rather than repairing it due in large part to the hassles that it caused me when trying to do routine maintainence. The compressor and dryer and hoses and belts took up a <em>lot</em> of room under the hood, and made it a real bitch for me to get to the spark plugs or header bolts. <strong>Maintainence takes time, and time is money.</strong></p><p><strong></strong></p><p><strong></strong></p><p>I have been sweating my ass off in a hot UPS truck every summer since 1988. I would <em>love</em> to have a package car with air conditioning; but the <em>reality</em> is that it neither financially nor technically feasable for the company to retrofit a functional AC system into its vehicles.</p></blockquote><p></p>
[QUOTE="soberups, post: 864018, member: 14668"] 1. An A/C system requires a compressor, which runs off of a belt, which runs off of a pulley. If the engine was not designed from the factory with such a pulley, you have to fabricate one. 2. An A/C system puts an additional load on the engine, which translates into additional heat. Vehicles with A/C typically require a heavier-duty cooling system than an identical vehicle without A/C. If you dont believe me, then go to any auto parts store and order a new radiator for an old car. They will ask you whether you have A/C or not, and if you do the replacement radiator will be a heavier-duty unit that is more expensive. 3. All of the newer package cars have computerized ignition and engine management systems that control timing, fuel injection and even the shift points for the automatic transmissions. These systems were designed from the factory for use [I]without[/I] air conditioning. Jury-rigging an aftermarket A/C system would require these systems to be replaced or reprogrammed in order for the vehicles to run properly and comply with emissions standards. 4. Your "truck A/C" kit retails for $1099.99, but that does [I]not[/I] include the labor involved in installing it. That price also does [I]not[/I] factor in the 10-15% [B]decrease in fuel economy[/B] that results from using A/C. With fuel approaching $4 per gallon for a package car that gets a mere 10 MPG, the additional operating costs are substantial. 5. I own a 1976 Chevy 3/4 ton 4x4 truck with a 350 V8. It came with factory A/C; when the Freon leaked out, I removed the system rather than repairing it due in large part to the hassles that it caused me when trying to do routine maintainence. The compressor and dryer and hoses and belts took up a [I]lot[/I] of room under the hood, and made it a real bitch for me to get to the spark plugs or header bolts. [B]Maintainence takes time, and time is money. [/B] I have been sweating my ass off in a hot UPS truck every summer since 1988. I would [I]love[/I] to have a package car with air conditioning; but the [I]reality[/I] is that it neither financially nor technically feasable for the company to retrofit a functional AC system into its vehicles. [/QUOTE]
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