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Found 2 results

  1. Hi all I know there are few (or none) Vivio owners on this forum, but as it is a full-fledged Subaru I hope some of us may find this interesting. I am in the middle of an engine rebuild for the tiny 4WD, and so far so good (tearing down is the easy bit). This is my first full engine job. After my little spark plug worry I have since stripped down the head and block, and given the clutch housing a good clean inside and out. It has been accumulating a lot of leaked oil inside, apparently from some bad head seals. The pistons are in good condition, except number 2 which has some minor damage from the spark plug insulation which had broken off. The cylinder bores are fine, as is the crank, but I have the **flywheel-end** main bearing with some wear through to the copper. This one is furthest from the oil pump. I am guessing that a new set is on the cards. **my bad- it's not the flywheel end, it's the other end, closest to the pump!! Go figure. I shall plastigage the caps to see if I need undersize bearings, but judging by the condition of the majority of the bearings I imagine not. The bores shall be lightly honed, new rings installed, and perhaps I should check the oil pump too while everything is off. Fingers crossed, thanks!! Block out and cleaned up: Gear box spruced up: That worn bearing :/ The rest look like this:
  2. Hello everyone, I am preparing myself to rebuild an EJ25 engine in my 2006 Subaru Impreza 2.5i SOHC. I want to make sure my valves are at or near original factory spec. If all I do is lap the valves, I understand that I may need to readjust the stem height. Will this cause any problem with compression or timing? Is there a way to determine if I need to recut the 3 angled surfaces on the valves? If I buy new valves for this used head, it looks like I will need to lap them, but will they sit correctly in the head? Is there a way to check the valve seats and check it's angles or is all this that I'm asking about for the machine shop to do?
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