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Thread: drain hole size 2.5 litre
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05-09-2013, 06:54 PM #1
drain hole size 2.5 litre
Help!!! does anybody remember the drain hole size in a 260 1 piece exhaust housing ...... before drilling, tapping, plugging and re-drill.
Thanx for your reply, NPWriggleys gum makes me think of boating, "Double your engines, Double your fun"
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05-09-2013, 07:05 PM #2
Steve, if I recall correctly the 2 holes are a loose 3/8".
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05-09-2013, 07:29 PM #3
Hey Tony, Hows things?
I was thinking they were smaller, back when I had additional water pickups (hull mounted) I was seeing w.p. past 30lbs so I drilled the plates,tapped them 3/8 pipe and put in brass plugs that I drilled 3/8 loose. Solved my problem. Because of this I was thinkin the original holes were Maybe 5/16 or so.Wriggleys gum makes me think of boating, "Double your engines, Double your fun"
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05-09-2013, 08:23 PM #4
2 holes in 1 piece at 19/64
IT AIN'T FAST , IF ITS NOT ALLISOON MAN POWER!!!
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05-09-2013, 08:27 PM #5
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05-10-2013, 01:26 PM #6
Steve, things are good buddy and got your PM's and responded!
The 19/64 we do that size for the ProMax or steel sleeve motors to build up heat.
Stay under 30psi at WOT or you may blow head gaskets.