Re: Helicoil BBC Exhaust Manifold Smog Holes?
I see a problem with this type of repair on the manifold port holes.First the holes would have to be milled not drilled to protect the flat seat at the bottom.Then a bottoming tap would have to be used to get the thread close enough to the seat then a correct depth insert would have to be installed.This repair would be a set-up nightmare.Has anyone out there ever repaired these threads?
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"Knowledge is good" Emil Fabor
67 L/78 Camaro SS/RS H-H,1W,2LGSR,3SL,4K,5BY. (Sold)
70 L/78 Nova M-21,Black Cherry,Sandalwood Int.
09 Pontiac G8 GT Premium,Sport,Roof. Liquid Red.
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03-15-2007, 05:53 PM
Threaded Mode