250k miles, help with engine health checks/diagnosing

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The spec from land rover is 360 from cold. 400 is high but you are really looking for no more than a ten percent imbalance between all four.
Do the compression again stone cold as the metal expands when hot and can hide things. It's just for peace of mind really.
Your smoke could well be injectors, I'm having the same problem with mine after a run away 😭
It could also be that someone has fiddled with the injection pump and boost pin. The trouble I find is once something has fiddled there is no way of knowing or how to put it back to stock original.
I always thought they should be done hot?

Since I've owned the car I've done the timing belt but never fiddled with the pump or fitted boost pin/ring. I guess there must be a way of setting it all back to default. Maybe worth looking into before I fit a new belt. 👍
 
I always thought they should be done hot?

Since I've owned the car I've done the timing belt but never fiddled with the pump or fitted boost pin/ring. I guess there must be a way of setting it all back to default. Maybe worth looking into before I fit a new belt. 👍
I always try and do both to get a comparison but doing it cold will show up problems sooner as all the metal components are cold and relaxed. Once the metal gets hot it expands and then any small gaps are sealed.
You can do the timing belt now, the adjustments I'm talking about are on the top of the FIP where the throttle linkage is. There is a diaphragm with the boost pin fitted, a previous owner may have fitted a boost pin which causes more smoke, then there is a toothed wheel which can be changed and the adjustment of the diaphragm height. I don't know of any way of knowing what they should be as standard because I believe they are set to each individual pump from the factory 😔
If you find out I'd love to know.
Remember there are two slots on the fly wheel. Don't muddle then up. Remove the oil cap and turn the engine over by hand until valve rocker number 2 goes down. Just as it stops at it's most downward travel is just a little bit before TDC. You can't get the wrong slot then 👍😁👍
 
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What difference would the intake make?

EGR is removed, has been since I bought it 👍
From the compression result's you have cylinder 2 and 3 must be getting more air than 1 and 4. This is the selling point of the twin intake thingy. Someone on here posted the fitting of such an intake a couple of month's ago
 
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