340 damage dilemma

2 hours a hole? Maybe if each bore is individually bored, then sleeved, then decked, then bored, then sleeved, then decked etc... definitely make you go broke doing that. Then again, if trying to 'true' every single hole to perfection first I'm sure it can take longer. But there's a difference between 'fixing' and 'improving' or 'perfecting' too...

Had a 360 sleeved recently. $45 for the sleeve itself, $75 to install it. Setup the block, had the sleeve in, finished honed, decked, cleaned and painted by the end of the day. Checking from the mains to the bore and the spacing, position, straightness, finish and roundness were all there.