holes

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madaboutcherry
998 Cooper
Posts: 281
Joined: Fri Jun 25, 2010 11:26 am

holes

Post by madaboutcherry »

what are the 2 extra holes for on the intake side of my hs4?
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Smiffy
998 Cooper
Posts: 695
Joined: Fri Jun 25, 2010 10:33 am

Re: holes

Post by Smiffy »

They allow the air to escape from above the piston, as i rises.
guru_1071
1275 Cooper S
Posts: 2109
Joined: Thu Jun 24, 2010 7:47 pm

Re: holes

Post by guru_1071 »

they are the vent holes of the vacuum in the dash pot.

if you block them up (by fitting the gasket upside down) the dash pot stays raised up / returns very very slowly
please note, these are my own, individual sales, nothing whatsoever to do with my employer, minispares
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