Originally Posted By: CNC-Dude #5585
Well, it really wasn't that bad. It fit in the parameters that GM set as standards to follow. So you can have quite a bit of variation in the same engine and still be in spec as far as they are concerned.


Did you say that with regards to the fact that they were all .0015" +- .0001" or about the #6 being out of round?

Would it have run on that .0015" +- .0001" oil clearance? Or would it have just seized up after firing.


69 Buick Special Deluxe. Intercooled Turbo Chevy 250 @ 15psi on a stock long block. It's kinda fast.