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Author Topic: My '88 Fiero - The Never-Ending Saga  (Read 105144244 times)

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Fierofool

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #690 on: January 07, 2021, 05:50:05 pm »
Melanie's Beretta GT said not to use the AC below 40, but any car with AC that gets the defroster activated will run the AC compressor in that mode.  The AC helps to remove moisture from the outside air so that it isn't deposited on the inside of the windshield.  As we drive in the wintertime, the windows fog up with just the heater mode activated.  In part, it's moisture from our body and breath but also moisture brought in from outside air. 
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #691 on: January 07, 2021, 06:01:10 pm »
The garage temp shows 67 degrees.  I'll leave the heat on.
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TopNotch

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #692 on: January 07, 2021, 06:12:21 pm »
Below 40 degrees, the pressure of the refrigerant is usually too low to energize the cycle switch for the compressor to run, so it should be OK to run defroster at any temperature. In the case of a variable displacement compressor (like the V5 used in the 87-88 duke Fiero), the displacement adjuster basically sets the displacement to zero below 40 degrees, so even though the compressor spins, it doesn't pump anything.
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #693 on: January 07, 2021, 06:16:01 pm »
Ah.  Are most newer compressors variable?

So, if it was home AC, running the AC for a few minutes may be OK, but leaving it on would be bad?
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TopNotch

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #694 on: January 07, 2021, 06:28:33 pm »
I'm not sure which cars used the variable displacement compressor, but the 3800 swap in my white Fiero uses one. Actually, the same kind of compressor as in my 88 duke Fiero.
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The more complex the mind, the greater the need for the simplicity of play.

Fierofool

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #695 on: January 07, 2021, 07:24:33 pm »
Home AC probably isn't going to be set below the outside winter temperature, especially if it's below 40*. 
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #696 on: January 07, 2021, 07:35:06 pm »
Maybe not, but you have to test the AC, somehow.
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Raydar

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #697 on: January 07, 2021, 07:51:54 pm »
Quote from: GTRS Fiero on January 07, 2021, 07:35:06 pm
Maybe not, but you have to test the AC, somehow.

We are in the finishing stages of an addition that we are adding to our (new-old) house.
The HVAC guy asked me to call him when we are ready to switch on the A/C. Said it was not a good idea to turn it on when it's cold out. He wants to be here in case there are any surprises.
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #698 on: January 10, 2021, 09:56:57 am »
I'm going to try MSD plug wires.  The current plug wires are performance wires.  The MSD set should be interesting.
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #699 on: January 12, 2021, 07:56:23 pm »
Well, the GTRS Fiero got new e-brake cables.  One of the springs broke, so new springs, too.

I think the e-brake switch is bad.
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Wreck It Ralph

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #700 on: January 12, 2021, 08:54:17 pm »
Fiero store just sent me an email with the e-brake sensor in it.
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #701 on: January 12, 2021, 08:54:56 pm »
Huh?
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #702 on: January 12, 2021, 08:55:22 pm »
Oh.  A link to it.  I have one.
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #703 on: January 14, 2021, 08:17:14 pm »
I was going to drive my Fiero home today, but then it started raining.  By the time I got outside, the "rain" was bounding off my truck.  So, no Fiero.  The weather is forecast to turn bad, so probably jo Fiero for a few weeks.

At least the rain should have washed some of the liquid salt away.
« Last Edit: January 15, 2021, 06:19:07 pm by GTRS Fiero »
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GTRS Fiero

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Re: My '88 Fiero - The Never-Ending Saga
« Reply #704 on: January 15, 2021, 06:19:57 pm »
I forgot about the starter.  It arrived today, so I guess I should install it.

Darn weather!
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