Quote:
Originally Posted by johnta1
I would say to check the converter to flexplate mounting.
If this is a new converter (to you?) it could be bolted up crooked.
Unbolt converter from flexplate and push converter away from flexplate.
Start engine and see if it still vibrates?
Check the flexplate while under there to see if there is any noticeable problems. (bent/crooked, holes wallowed out, etc)
When bolting back up, make sure the converter is pulled against flexplate evenly and tighten bolts without cocking the converter as it is rotated.
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This is definitely on my agenda to check. The flexplate was a new SFI unit that was installed about a year and a half ago. Doesn't necessarily mean anything however.
The converter is a new TSP unit. One of their billet faced triple clutch deals.
One thing I just realized is that the vibration range tends to be in the range where the converter starts to couple. It flashes to about 3100 rpm under load.