keep cracking/shearing flexplates!!!! - Four Wheeler Forums at Four Wheeler Magazine Four Wheeler

keep cracking/shearing flexplates!!!!

  
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keep cracking/shearing flexplates!!!!

 
bowtie77 bowtie77
New User | Posts: 4 | Joined: 02/09
Posted: 02/28/09
09:54 PM

so. possibly a simple answer here. in the past 8 months i've went throught 2 flywheels on my chev. i'ts got a 400 small block with a th 350 behind it. what happens is after about 10 or so hours of light wheeling (nothing over 6k) i start to hear a sharp knock/crack in the back of my motor. And when i crawl under, and remove the inspection cover i can reach in there and feel a crack running from one of the bolt holes on the flexplate, out to one of the holes that are just outside them, there's about six of them and they're about an inch and a half in dia. If i continue to run it like this, the fly wheel will crack at all of them then it will shear off from the bolts. HELP PLEASE  

 
bandyk bandyk
New User | Posts: 26 | Joined: 11/08
Posted: 02/28/09
11:02 PM

check the weights on the converter, I was breaking them under a load but easy sreet driving i never had a problem  

 

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