if it was me, i would put new fuel pipe in, put new glow plugs in. reset the needles, heat the engine up with engine heater then start it, it will run rich so just drive around till the engine gets to temp then start tuning it.
i think it would be best to reset the needles then tune it again but only once the engine has got up to temp.
i always use an engine heater before i try start the engine as it will prolong the life of the engine makes it easier to start.
has the car been in storage?
make sure the idle gap is only 1-2 mill.
once you have sorted the idle gap then go on to the low speed needle, to me it seems bit lean on the low needle as it is trying to set off once you have started it.
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If you have another rc that uses a different capacity lipo then you can use different setting per charging port.
Most of us here have more than 1 rc so it can be easier with a dual charger.
That is correct.
Do you think you will charge more than one lipo at a time or only one?
Reason I ask is because you can just get a dual charger, that way you can charge 1 lipo at a different settings to the other.
you have got one of those that is a horn and a servo saver in one. just looked at the video and to me, it seems like its catching.
could you try making the rod longer then reseat the horn again?
yes, the wheels should center itself when you let go the wheel on the controller. it sounds like either the servo saver or the servo itself.
have you got another servo you can test it with?