Hello Ocho-san. You are progressing very nicely! I thought it was funny when you said valve guide is 2,000 yen each, 6 of them would cost 12,000 yen which is expensive so decide not to change it.....and few minutes later, you show the Snap On impact and the socket sets. That's where all your money went! I'm like you. I rather spend money on tools. Keep up the good work!