Not Ranked
I personally don't like line boring if it can be avoided.
Previous main bearing wear will tell if the block is straight.
If the tunnels need to line bored, skim the caps, and take the ABSOLUTE minimum from the block saddle.
The more the crank is lifted up in the block, the more off-centre the crank runs in the front and rear seals. You also need to source a "tunnel-bored" chainset etc.
Gary
Last edited by Gaz64; 03-03-2018 at 10:49 PM..
|