Originally Posted by DrivingMissDD
Yes, thanks for that enlightening article. It amazes me to this day how any of the engines of my youth, ever RAN ! Used pistons and ring groove cleaning tools had to have had a negative effect on how 'effeciant' those engines were ! :shock: :shock: :shock:

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This is also 2011 if you didn't know and I hope your not still living under a rock either :lol: :lol: :lol:
The engines we build now are light years over the ones your were doing with your ring groove cleaning tools and I am sure you used a ridge reamer and those were effeciant with taper in the bores HMMM