I wouldn't be too stressed about the Bores as most of the crap will Vacc out, if you're really concerned some grease will seal the pistons to the bores then wipe out taking the crap with it.
Ditto on the small Oil hole at the front of the deck.
Block off the Oil drains and the gap at the...
I wouldn't bother, it was done in the old days in SBC's as they had drainback issues that would starve the engine as so much was pumped topside (restrictor kits helped)
Just smooth off any casting flash and deburr the sharp edges and a 7M is good to go ;)
Seen this question asked on many occasions, here's the HG's for dummies version ;)
1) Stock HG = 1.37mm compressed
2) Stock head = 116mm deck to valve cover surface
3) Stock block = 198.5mm from deck to main bearing saddle
If 2 and 3 are less that amount needs to be added to 1 to...
Seen this question asked on many occasions, here's the HG's for dummies version ;)
1) Stock HG = 1.37mm compressed
2) Stock head = 116mm deck to valve cover surface
3) Stock block = 198.5mm from deck to main bearing saddle
If 2 and 3 are less that amount needs to be added to 1 to...
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