Thread: valve tool questions

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you can flip the stone and cut a 30 on one side and a 45 on the other side this way you get more bang for you buck then you want one 60 any time you use stones you want a bounce springs this keeps from digging in and blowing up the stone .lay out helps to see were you are on your 45 i use a big felt tip mark and mark the seat at 12:00 and6:00 9:00 and3:00 this helps alot i will first grind the 30 angle them the 60 mark with the marker the old 45 should be allmost gone at this point then lay the new 45 down i run my 45 at 060 on intake and 080 on the ex i lap in every thing i use the fine clover oil base lapping compound it is the best. i run a 45 seat and a 45 on the valve to check were the valve is hitting the seat put marker on the valves face with marker and give it a good slap pull it out and you will see were it hit on the seat it this point you can see were your at and can be move up or down with the stones.i will move them on race engines but stock stuff you want to hit in mid point on the valve face your good