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Forum: Diesel Discussion

07-14-2011, 02:30 PM

Replies: 72

606 starts fast and perfect, smokes and misses till warm

Views: 11,192

Posted By Number_Cruncher

The car was at 125,000 miles when I found the...

The car was at 125,000 miles when I found the problem and had the head off. It's now approaching 200,000, and I suspect the problem is coming back again.

In terms of finding the root cause of the...

Forum: Diesel Discussion

07-14-2011, 07:55 AM

Replies: 72

606 starts fast and perfect, smokes and misses till warm

Views: 11,192

Posted By Number_Cruncher

>>Do a hot compression test and you'll find #5 #4...

>>Do a hot compression test and you'll find #5 #4 to be low.

>>It's called valve recession.

Yes!, that's exactly why I was suggesting a compression test higher up the thread.

One cheaper way...

Forum: Diesel Discussion

01-20-2010, 06:23 AM

Replies: 72

606 starts fast and perfect, smokes and misses till warm

Views: 11,192

Posted By Number_Cruncher

>>The soot layer in the #6 intake ports in the...

>>The soot layer in the #6 intake ports in the head (I have the intake off because the resonance valve has half of the vain broken off for the second time) is substantially heavier than the the other...

Forum: Diesel Discussion

01-18-2010, 05:35 PM

Replies: 72

606 starts fast and perfect, smokes and misses till warm

Views: 11,192

Posted By Number_Cruncher

Check the compressions. These engines can...

Check the compressions.

These engines can suffer inlet valve recession, particularly on the rearmost cylinders.

The engine fires on the good compressions of the forward cylinders, and is OK...

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