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New oil pump,the waterpump was bloked,engine was a long time no running with water in the coolsysteem,so thats the reason why the axle broken,

The problems in high rpm's with a Temp about 180/190 f,game from the fuel pressure i think,no other fauld code's,tommorrow we go to val de viene,for licenses and training,hopefully we have all problems out the engine

I read that motor has been rebuilt (if not, bearings last very short time. The reason is that bearings absorb water, no matter what you do to clean they will fail).

Possibly bad thermostat, do not run without!

Check fuel pressure, should be 43# under 40# will cause missfire.
If you are running stock fuel pump in can, look at top of punp when engine running, if fuel is spraying out around plastic part at top, the regulator may have come loose (seen this a couple of times), just pop it back in place and safety wire it.

Since computer doesn't go to "not rich" mixture until engine is 180 deg may indicate fuel pressure issues.

Early question about part numbers on injectors, I've seen three different ones in engine. All eight are the same and interchangeable.

the engine is running very good,no problems,we have ride about 125 rounds at circuit val de vienne,