Thanks MB Doc.

jas2wa i don't think your a jerk, I'm great full you took time to post.

I am hopeless for following threads and should have been more specific when i posted the question.

Peace and blessings to you both

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Peace and Blessings to you and yours
Steve

1987 /88 300D 178K & Very tidy
WVO RUG Diesel Blend OEM fuel heater thermostat by passed
1991 Nissan Patrol TD42 350k & very rough
WVO RUG Blend return line to cav 296 filter