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Old September 11th, 2015, 05:29 PM
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#5 heads
Im looking at a motor with #5 heads on it. Not much experience with small blocks but how do I tell if these heads are w31?
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Old September 11th, 2015, 05:52 PM
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They are the same on the outside, you need to measure the valves.

Ryan
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Old September 12th, 2015, 11:59 AM
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I have a nice set of #5 heads.

Email me direct

Larry
lemoldsnut@aol.com

or calls west coast time 8 am to 8 pm 541-815-4363
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Old November 10th, 2015, 08:07 AM
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Are the #5 Heads good heads?
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Old November 10th, 2015, 09:46 AM
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Fyi
Originally Posted by Rios69Cutty
Are the #5 Heads good heads?
As good as 4,6,7 and 7a. Also no better.
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Old November 10th, 2015, 10:07 PM
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Originally Posted by Rios69Cutty
Are the #5 Heads good heads?
Here is some good info

http://www.442.com/oldsfaq/ofhed.htm
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Old November 11th, 2015, 06:29 AM
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Originally Posted by scrappie
Im looking at a motor with #5 heads on it. Not much experience with small blocks but how do I tell if these heads are w31?
Bottom line is that if you have to ask if the motor is a W-31, it almost certainy is not. The asking price would be the giveaway.
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