Rich > Now I don't care about the manifold. It's toast and I have a like-new > set. I want to install a heli-coil in the head because I don't think > there's enough metal left to tap it out. > > Anyone know how to do this? Take a look at http://www.recoil.com.au/ They produce and sell an M7x1.0 heli coils. You can buy a kit for about $35 ... Recoil Kits contain a HSS tap, installation tools, 10 precision stainless steel inserts and instructions in a sturdy reusable container. Contact details in the USA USA: Fairchild Fasteners 1051 Third Avenue SW, Carmel, IN 46032 Telephone (317) 846 8830 or (800) 826 2884 Fax: (317) 846 8858 or (800) 5-RECOIL Email: sales@xxxx Hope this helps Chris S __________________________________________________________________________ Join Freeserve http://www.freeserve.com/time/ Winner of the 2003 Internet Service Providers' Association awards for Best Unmetered ISP and Best Consumer Application.