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oil 15/40 or 20/40

Posted: 26 Jan 2010, 22:06
by yeti
Hello
I have a 1900 dg . 90k on the clock. Abit tapperty now. Thinking about a slightly thicker oil. 20/40. Any thoughts or are there anyone running this at mo/ how have you found it. Cheers

Re: oil 15/40 or 20/40

Posted: 26 Jan 2010, 22:20
by kevtherev
I use 20w 50 in the summer and 15w 40 in the winter (all mineral)

Re: oil 15/40 or 20/40

Posted: 26 Jan 2010, 23:04
by yeti
cheers i ment 20/50..might do an engine flush...

had a problem starting the other day wouldn't fire then went with a cloud of black smoke and a back fire...me finks fuel fillters too, abit of water i think..