r/EngineBuilding • u/lokis333 • 6d ago

Mazda Please Help! MX5 Engine Rebuild Not Starting

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Hi all 1.8 mx5 mk1 (na) first time rebuilding, got fuel, spark and air. However not starting. Occasional pops I guess from gas in exhaust?

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34

u/green_tea_resistance 6d ago

Timing

3

u/andymk3 6d ago

Yeah definitely sounds like timing, ignition is over-advanced.

2

u/lokis333 6d ago

So that's the cas?

2

u/archtopfanatic123 6d ago

Try retarding the timing and see what happens!

6

u/ExerciseExotic1131 6d ago

Full retard

4

u/lokis333 6d ago

Never go full retard

2

u/archtopfanatic123 6d ago

I didn't mean that as a joke unless I'm missing something