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Discussion Starter #1
The 351 windsor in my 69 has a pulsating viberation and I can't find the source? I replaced the balancer but it's still the same the trans was replaced before I bought the car could this be the source ?
 

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Check tranny mount, motor mounts, turn driveshaft 1/2 turn, rotate tires, (one at a time) hopefully one of those will help.

Rick
 

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Discussion Starter #3
I'll check the mounts! I fogot to mention it vibes even in park at a idle. The motor runs strong otherwise.
 

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Yep, check the flywheel, or flexplate if it's an automatic.
P.S. may sound like a stupid question but...it's not misfiring or simply running rough is it??
 

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Discussion Starter #6
In answer to the above . N the motor is not missfiring it runs great! How do I find out if I have the right flywheel or flexplate? Thanks for all the help in advance! :)
 
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