02-28-2009, 09:50 AM
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CC Member
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Join Date: May 2001
Location: California,
Ca
Cobra Make, Engine: NAF 289 Slabside Early Comp Car with 289 Webers and all the goodies. Cancelling the efforts of several Priuses
Posts: 6,592
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Not Ranked
David: 2 Very large taps, one to start the threads and a shorter (cut off with abrasive wheel) to finish the last of the threads without hitting the outside of the cylinders, or tap all the hole initially wiht the full length tap, then cut it off and continue enlarging each previously threaded hole. Then you only buy 1 tap.
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Rick
As you slide down the Banister of Life, may the splinters never be pointing the wrong way 
Last edited by Rick Parker; 03-01-2009 at 09:19 AM..
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Threaded Mode
