'74 MGB idle speed varies

[todd@nutria.nrlssc.navy.mil (Todd Mullins)]

Hi, guys.

I've kinda been wondering:  Why does my bone-stock HIF carbed
'74 idle slightly higher after a run?  Hot start yields 1000 rpm,
decel to idle from a run yields ~1300 rpm.

Might it have something to do with my suspicion of a worn-out 
gulp valve combined with slightly rich carbs?

-- 

Todd "But it runs great" Mullins
todd@nutria.nrlssc.navy.mil     On the lovely Mississippi (USA) Coast

'74 MGB Tourer which is hardly ever idle, actually

"A life lived in fear is a life half lived."