Oil Pressure Switch Pressure

[tractorjames]

The oil pressure light has stopped illuminating on the stag - presumed wiring fault but nothad chance to look yet.

This got me thinking, i presume the factory pressure switch is low pressure (ie 5-10psi to put light out???) hence people fitting a gauge. I thought a switch like the one below would just give a sooner warning in event of a failure without the need for a gauge.

I do not want to go down the gauge route - rather keep original, but i saw demon tweeks do a 20psi switch and an adjustable one: http://www.ebay.co.uk/itm/Longacre-U...item20de1b7557

Has anyone ever used one or had experience with the adjustable one, ie how do they adjust etc?

Thanks
James

[Mike Stevens]

I think they come on at about 7 PSI. A higher pressure one used to be available from Chris Witor - 13 PSI I think.

The one on my PI currently comes on at about 50 PSI so I continually get a flickering green light at hot tickeover! Luckily I have a pressure gauge (and a new oil pump!)

I don't have any experience of the adjustable type I'm afraid.

Cheers,
Mike.

[tractorjames]

To be honest ill just buy the 20psi if anything, was just asking about the adjustable through curiosity if anything, and sould the tired old thing not make 20spi (hope it would) at hot idle then it could be tweaked to suit.