Should I buy this 67 98 Luxury?

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Old March 10th, 2015, 11:40 AM
  #81  
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215/75/14 is the size of the tires on my '91 sonoma.
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Old March 10th, 2015, 11:43 AM
  #82  
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Originally Posted by Professur
215/75/14 is the size of the tires on my '91 sonoma.
Meaning too small for this car, I assume...
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Old March 10th, 2015, 11:57 AM
  #83  
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Your original tire size specified for the '67 98 in the SPECS Guide was 8.85-14.

That translates to 245/70R14 or 255/60R14, which are about an inch larger in circumference than a 215/75R14, and turn 755 times per mile versus the 215s' 733.

That's only a 3% difference, so, though those tires will look small, they won't make the engine scream.

- Eric
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Old March 10th, 2015, 12:54 PM
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Originally Posted by MDchanic
Your original tire size specified for the '67 98 in the SPECS Guide was 8.85-14.

That translates to 245/70R14 or 255/60R14, which are about an inch larger in circumference than a 215/75R14, and turn 755 times per mile versus the 215s' 733.

That's only a 3% difference, so, though those tires will look small, they won't make the engine scream.

- Eric
Thanks for doing the math on that, Eric! I'll replace them with the right size pretty soon. Still tracking down the noise issue... did you see I started a new thread for this car... since it's back now the question of whether I should buy it has become whether or not I should have bought it... I tested the fan... moves about 1 blade when you swat it.
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Old March 10th, 2015, 01:00 PM
  #85  
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Originally Posted by mikeamondo
I tested the fan... moves about 1 blade when you swat it.
Is that hot or cold?

With a hot engine, that could be okay. With a cold engine, I would expect it to move more freely.

One way to test would be to remove the fan and clutch and go for a quick drive around the block - if the noise, or part of the noise, is gone, you've got a bad clutch.

Do any others have opinions on this?

- Eric
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Old March 10th, 2015, 01:09 PM
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That was cold... I good swat moved it maybe one blade, no more... certainly not a full spin, or even half way around...
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Old March 10th, 2015, 01:16 PM
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That sounds tight to me. I'm going to bet that's part of your noise problem.

- Eric
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Old March 10th, 2015, 01:21 PM
  #88  
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Sounds like your problem. Had mine go last summer, was very loud. Good news it is an easy fix, about an hour and if I remember right about $30 for a new one.

Larry
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Old March 10th, 2015, 05:00 PM
  #89  
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Is this what I need to replace it? http://shop.advanceautoparts.com/p/c...searchTerm=fan#
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Old March 10th, 2015, 05:37 PM
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That one should do it.

Originally, GM made a very wide variety of slightly different clutches to suit each configuration very well, but the aftermarket has consolidated them into a relative few.

The one you listed is the same as a Hayden 2747, but there are a few other possibilities, as well.

This question comes up around here every so often. Two threads I found are here and here.

- Eric
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