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Post by DocSpeed on Aug 29, 2005 8:30:51 GMT -5
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Post by AAron on Aug 29, 2005 14:30:28 GMT -5
yeah those V6s are nutty little engines. if they would just make them with a 60 degree V then they balance easy. but since all of the macines are for the 90 degree V8s they make the V6s 90 degree as well and then try to fix the unbalance later. sorry i read the article
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Post by DocSpeed on Aug 29, 2005 17:16:48 GMT -5
yeah those V6s are nutty little engines. if they would just make them with a 60 degree V then they balance easy. but since all of the macines are for the 90 degree V8s they make the V6s 90 degree as well and then try to fix the unbalance later. sorry i read the article You are absolutely correct. They tried to correct the vibration by installing a balance shaft in most of the 4.3L's from 92' on.  The cam gear connects to the balance shaft gear located behind the timing cover. The cam gear has double the teeth of the balance shaft gear. This increases balance shaft speed to crankshaft speed dampening the natural vibrations of the crankshaft. |
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Post by AAron on Aug 30, 2005 0:17:35 GMT -5
man that is messed up. but you wanna talk about unbalanced. you should see a 360 degree firing order inline 2 cylinder. they put one in a tractor horizontally and at idle it rocked the whole tractor back and forth. but at operating RPM it smoothed out.
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Post by DocSpeed on Aug 31, 2005 19:55:35 GMT -5
A buddy of mine has one of those tractors your are talking about. He said they sound wicked when idling.
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Post by AAron on Aug 31, 2005 22:34:46 GMT -5
yeah some people in the pulling circles converted 2 cylinder john deeres from 180 degree to 360 degree, and found it wasnt worth the money
these are the same people that tried to put a 12" stroke into a tractor that came with a little over a 6" crazy people
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