I modify mine by drilling a bunch of 1/4" holes all over the surface of the 'funnel' so the oil has multiple places to go. Works like a champ, except if you drop it or set it down roughly, those holes work like a shower head to spray you wil oil.
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"You go to the track with the Porsche you have, not the Porsche you wish you had."
'03 E46 M3
'57 356A
Various VWs
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