F20 engine
Joined: Oct 2001
Posts: 3,451
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From: Driving around idiots in TX
Yes.
They are internally balanced (approximate weight matching of pistons and rods and balancing of the crank) and externally balanced (crankshaft dampener).
Anything that can take 9200rpm has got to have balancing.
They are internally balanced (approximate weight matching of pistons and rods and balancing of the crank) and externally balanced (crankshaft dampener).
Anything that can take 9200rpm has got to have balancing.
Joined: Oct 2001
Posts: 3,451
Likes: 0
From: Driving around idiots in TX
Originally Posted by snakeeater,Oct 18 2006, 06:14 PM
Internally balanced. No counter-weight on the flywheel or harmonic balancer. Search the forums.
I thought they were harmonically balanced also?
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Joined: Dec 2004
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From: Los Angeles, CA
Originally Posted by slipstream444,Oct 19 2006, 12:28 PM
NO-NO-NO. The F20/22C is NOT internally balanced.
The F20/22C has internal components that are closely matched in mass - however, this does NOT make it internally balanced. 4-cylinder engines are naturally unbalanced.
An inline four requires counter-balance shafts to be internally balanced. F20/22Cs do NOT have balance shafts. The crank pulley on an F20/22C IS a harmonic balancer - do not replace it with a lightened pulley unless you want to see how quickly an unbalanced 4-cylinder will come apart.
All of you who gave bad info - go back and read before you give someone information that can possibly destroy their car. There's a lot of information posted on this - read it.
The F20/22C has internal components that are closely matched in mass - however, this does NOT make it internally balanced. 4-cylinder engines are naturally unbalanced.
An inline four requires counter-balance shafts to be internally balanced. F20/22Cs do NOT have balance shafts. The crank pulley on an F20/22C IS a harmonic balancer - do not replace it with a lightened pulley unless you want to see how quickly an unbalanced 4-cylinder will come apart.
All of you who gave bad info - go back and read before you give someone information that can possibly destroy their car. There's a lot of information posted on this - read it.
