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- - Spark plug tap size (https://forums.maxperformanceinc.com/forums/showthread.php?t=531643)

BILL BOWMAN1

08-20-2007 10:36 AM

Spark plug tap size

I need to chase a couple holes on a set of D ports what is the tap size?
Thanks,
Bill

RAIV55

08-20-2007 10:58 AM

Quote:

Originally Posted by BILL BOWMAN1

I need to chase a couple holes on a set of D ports what is the tap size?
Thanks,
Bill

14x1.50mm

taff2

08-20-2007 03:22 PM

Just use an old plug with three grooves cut down through the threads,works fine without removing any metal.

Jack Gifford

08-21-2007 03:13 AM

I like to use the auto-parts-store thread chaser- 14mm one end, 18mm other end.

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