Mallpassi Filter King : Converting fixed tails to threaded

gib Part of things Posts: 163	Mallpassi Filter King : Converting fixed tails to threaded gib @gib
	Mar 24, 2016 10:17:07 GMT Select Post Deselect Post Link to Post Back to Top
	As per the 2 pictures below I have a standard Filter King ( Top picture) with fixed tails and no spare out let for a pressure gauge. Is there any reason why not to cut the tails off and then drill and tap the body for taking threaded fittings and a gauge? I don't have a lot of room for a gauge on the rail by the carbs ( I realise this is the best way). Alternatively does any one have a threaded Filter king they may want to swap ( with cash your way)?


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gib Part of things Posts: 163	Mallpassi Filter King : Converting fixed tails to threaded gib @gib
	Apr 11, 2016 7:43:18 GMT Select Post Deselect Post Link to Post Back to Top
	To answer my own questions just in case any body is interested. Its very simple to do and saves around £20-£40 as this is the price differential between tailed and threaded. Cut the tails off ~1mm above the casting a 6mm drill will remove the meat of the tails which can then be collapsed in on them selves and removed. The recommended drilling size for 1/8 BSP is 8.5mm but use an 8mm as the casting is incredibly soft. Be very careful when the drill is about to go into the cross drillings as these will push the drill of center. As mentioned tapping this material is not the best use plenty of cutting fluid and blow the swarf away all the time. Other wise 1/2 hr job.


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