Buy a streetdamper and get on with your lives.....
no performance gain to be had on your typical street/strip motor, just extended engine life form less vibrations (supossedly)
Internal and external refer to the way the engine is balanced. External balanced are balanced using the balancer, internal balance are not and the balancer is then neutral balance.
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2002 GT
1993 GT (SOLD)
'93 Mustang GT
RHC member #142
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