Guest Posted August 5, 2002 Share Posted August 5, 2002 if anyone has some loose valves, what is the diameter of the intake and exhaust for the 263 engine ? i have some valve that are 1 3/8 but seem small for exhaust.<P>thanks Link to comment Share on other sites More sharing options...
Guest Posted August 5, 2002 Share Posted August 5, 2002 tony,<BR>My 1951 Shop Manual says the intakes are 1 17/32 while the exhausts are 1 11/32. Hope this helps. Link to comment Share on other sites More sharing options...
Guest Posted August 5, 2002 Share Posted August 5, 2002 thanks-the valve i have ARE exhausts ! Link to comment Share on other sites More sharing options...
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