Piston slap is when the piston rocks from side to side at the top of it's travel and the skirt can hit the bores, it can be common with forged pistons before they have fully heated up and are slightly small in the bores.
Never seen that ring on a block before- sounds like a good idea...honing won't be an issue as the honeing stones are spring loaded
[Mk2] [NA] Bearings, Block and Squirters
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Re: [Mk2] [NA] Bearings, Block and Squirters
Yeah i had a Mic up of the bores and im fitting new rings because the oil saver's are a tad dead.. but its still showing the Honing from the past anyway. i will give it a light hone just to clean up and put back together. the mini is off the road from the start of Jan, and im in 2 minds to just crack on with the MR2 and forget messing with the mini anymore. can't find out what those rings in the top of the bore are for sure, but it cant hurt it.. so on wards we go..