I've got a one piece rear main seal (externally balanced) .030 over 350 (355?) in my '88 Formula. This engine was put in place of a former 305 (LB9) and is using the original flywheel to feed power through to the original T-5. The flywheel was resurfaced and checked when I did the engine swap.

I suspect that the stock balancer has gone out as I get an RPM-dependent vibration in the 2K range as I recall; I haven't driven it in nearly a year so I'm not sure of this.

This is not a race car but rather a pseudo-daily driver so I just need something of good quality that will be better than stock.

If anyone has a unit for sale, I'd be interested in knowing about it too.

Thanks,
Paul

 

I've got my old balancer from a '91 w/350 that I thought was a culprit to my problem but turned out it wasn't. With that in mind, it is used, but good. Had about 102k on it. A new stock one will cost you over $75 - I'll send ya mine for $25+shipping, if you're interested. E-mail me or post here.

KAM