My advice to you is to get a thread insert like a Heli-coil or similar and try to stay standard. Any large machinist supply or power transmission dealer can help with the insert, drills, taps, and bolt you will need. If you can't find it localy the Delorean venders can help. David Teitelbaum vin 10757 --- In dmcnews@xxxx, Soma576@xxxx wrote: > hey guys, > > remember when i broke that bolt for my air induction manifold this week? > well today i had my friend's dad help me - he has a tap and die set. anyway, > we drilled it out but it wasn't good enough for a 8M bolt, so we had to drill