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Chainsaw
Poulan 3400 compression
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<blockquote data-quote="redunshee" data-source="post: 1405412" data-attributes="member: 17940"><p>I have several 3400's with compressions ranging from 120 to 135. All run great. One of them I bought new in the late 70's and its at 120 and runs like a bear. Put a little 2 cycle oil in cylinder and it only increased by 10 PSI. Unless its running poorly I wouldn't do anything. Not sure if new rings would increase it very much and unless it gets below 110 I'd let sleeping dogs lie.</p></blockquote><p></p>
[QUOTE="redunshee, post: 1405412, member: 17940"] I have several 3400's with compressions ranging from 120 to 135. All run great. One of them I bought new in the late 70's and its at 120 and runs like a bear. Put a little 2 cycle oil in cylinder and it only increased by 10 PSI. Unless its running poorly I wouldn't do anything. Not sure if new rings would increase it very much and unless it gets below 110 I'd let sleeping dogs lie. [/QUOTE]
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