To: Volvo303@yahoogroups.com From: "Willem-Jan Markerink" Date: Sat, 12 Jun 2004 07:41:12 +0200 Subject: [Volvo303] Centrifugal seal for drumbrake-venting Reply-To: Volvo303@yahoogroups.com Read an interesting note on an Ozzi website, regarding speed-sensitive seals: http://www.outerlimits4x4.com/PHP_Modules/phpBB2/viewtopic.php?t=3D12640 xxxxxxxxxx www.xtremeaxle.com make disk brake conversions but you'd better be sitting down when they email you the prices! imho, it is not entirely necessary. the brakes on the volvos, if serviced, are actually very good. they have been put on a 110 here in melbourne and it was engineered for full time street use with standard drums (standard engine though). the brake components are very similar to series brakes (as i believe they were all made by salisbury). but these come with a centrifugal seal that vents at high tyre speed to cool the drums and seal at slow speed to stop mud ingress. if you put a bigger engine in and have a heavy truck and do high speeds (or lots of on road), then i would look at putting discs on. otherwise, just run the drums to start with. set them up correctly and i'm sure you will be pleasantly surprised. -- Bye, Willem-Jan Markerink The desire to understand is sometimes far less intelligent than the inability to understand [note: 'a-one' & 'en-el'!]