help with 351m
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Freshman User
Joined: Jul 2011
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help with 351m
I just changed the flexplate on my 79 ford. Once i got it back together there's a vibration. Thinking i may have installed the wrong flexplate. The napa dealer showed only one but i've read that there are actually 3 different flexplates for the 351m.
I was also told the 351m is internally balanced. Does that mean there is no counter weight on the flexplate?
Any ideas what else may cause the vibration? Everything went back together ok, and I'm pretty confident the torque converter was seated.
I was also told the 351m is internally balanced. Does that mean there is no counter weight on the flexplate?
Any ideas what else may cause the vibration? Everything went back together ok, and I'm pretty confident the torque converter was seated.
Senior User
Joined: Jan 2008
Posts: 427
Likes: 1
From: Irondale, Al.
I just changed the flexplate on my 79 ford. Once i got it back together there's a vibration. Thinking i may have installed the wrong flexplate. The napa dealer showed only one but i've read that there are actually 3 different flexplates for the 351m.
I was also told the 351m is internally balanced. Does that mean there is no counter weight on the flexplate?
Any ideas what else may cause the vibration? Everything went back together ok, and I'm pretty confident the torque converter was seated.
I was also told the 351m is internally balanced. Does that mean there is no counter weight on the flexplate?
Any ideas what else may cause the vibration? Everything went back together ok, and I'm pretty confident the torque converter was seated.
I replaced mine with the Pioneer #FRA-201 from AutoZone.
Last edited by smokeyb97; Jan 2, 2012 at 12:10 AM. Reason: Make changes
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Freshman User
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no vibration before the change. i was reading in the 460 forum about a vaccum line leak causing the same thing but i dont think thats gonna be the case here. just waiting to get time to break it apart again and see if a different plate fixes it.
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Freshman User
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cross referenced the auto zone part number and sure enough i bought the wrong flexplate. thanks for everyone's replies. hope to have the new one installed next weekend.
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Senior User
Joined: Jan 2008
Posts: 427
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From: Irondale, Al.
Hope it works out, keep us informed.
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