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Old 10-08-2007, 07:06 PM   #1
1984Silverado4x4
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Compression reading

So whats a normal compression reading for a 305?
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Old 10-08-2007, 07:52 PM   #2
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Re: Compression reading

0

Last edited by Morgsie; 10-08-2007 at 07:52 PM.
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Old 10-08-2007, 08:21 PM   #3
77-383 Step
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Re: Compression reading

ha ha
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Old 10-09-2007, 01:09 AM   #4
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Re: Compression reading

Too Cold
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Old 10-09-2007, 01:24 AM   #5
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Re: Compression reading

As per the Factory service manual,Compression testing should be done with four puffs per cylinder, the lowest reading cylinder should not be less than 70% of the highest and no cylinder should be less than 100 pounds.
Hope this helps you out.
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Old 10-09-2007, 10:09 AM   #6
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Re: Compression reading

Quote:
Originally Posted by Malo83 View Post
As per the Factory service manual,Compression testing should be done with four puffs per cylinder, the lowest reading cylinder should not be less than 70% of the highest and no cylinder should be less than 100 pounds.
Hope this helps you out.
Sure does thanks
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