TB42 fuel economy

[@083sean]

Good outcome, my td42t gets about that. With diesel prices

[@njpw1402]

Awesome thanks for watching and the comment

[@zayed-al7378]

Hi please help me with my tb42 any timing above 5 degrees i get knocking sound in high rpm in 4th gear. Any idea about what might cause that ?

[@njpw1402]

Hi Zayed thanks for the comment, do you know if It has a shaved head

[@zayed-al7378]

@@njpw1402 i reserved the valve 's and did a very tiny bit of the head service pretty positive it's the 1st time , I don't think it's the issue

[@njpw1402]

It’s very hard to identify not being there do you know the sound of pre ignition or does it sound mechanical

[@zayed-al7378]

@@njpw1402 yeah it like shaking can of rocks when I have less timing it goes away

[@njpw1402]

It’s definitely pre ignition also called pinging have you tried higher octane fuel ⛽️