Search found 4 matches

by Roy Payne
Fri Feb 11, 2011 4:10 pm
Forum: Technical queries
Topic: Accessories with positive earth
Replies: 5
Views: 2607

Re: Accessories with positive earth

Many thanks guys or gals. I have now conveerted car to negative earth for safety
Roy
by Roy Payne
Thu Feb 10, 2011 4:12 pm
Forum: Technical queries
Topic: Spark plugs
Replies: 3
Views: 1384

Re: Spark plugs

Cheers Terry - doesn't seem to be much difference. Roy This is a link to a page on Champion's website detailing what the numbers on their plugs mean. http://www.championsparkplugs.com/sparkplug411_manufacturer.asp?manufacturerID=2 Those aren't complete codes for the plugs so it is hard to know exact...
by Roy Payne
Thu Feb 10, 2011 12:24 pm
Forum: Technical queries
Topic: Spark plugs
Replies: 3
Views: 1384

Spark plugs

What is the difference between Champion spark plugs N4 and N4C. Can these be mixed in the same engine ?
Roy of the Rover
by Roy Payne
Sat Jan 22, 2011 7:19 pm
Forum: Technical queries
Topic: Accessories with positive earth
Replies: 5
Views: 2607

Accessories with positive earth

I have a Rover P6 1964 with positive earth. Short of reversing the polarity is it safe to use SatNav, tyre inflator through the cigar socket ? Thes are designed I assume for modern negative earth and I don't want to damage them or blow fuses in my Rover.
Roy Payne