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#1
08-20-2007, 10:36 AM
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Spark plug tap size
I need to chase a couple holes on a set of D ports what is the tap size?
Thanks, Bill
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#2
08-20-2007, 10:58 AM
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Quote:
14x1.50mm |
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#3
08-20-2007, 03:22 PM
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Just use an old plug with three grooves cut down through the threads,works fine without removing any metal.
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#4
08-21-2007, 03:13 AM
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I like to use the auto-parts-store thread chaser- 14mm one end, 18mm other end.
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Anybody else on this planet campaign a M/T hemi Pontiac for eleven seasons? ... or has built a record breaking DOHC hemi four cylinder Pontiac? ... or has driven a couple laps of Nuerburgring with Tri-Power Pontiac power?(back in 1967) ... or has a Pontiac born the same year as Jim Wangers? (1926} 
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