I have done this job.
I'm not sure I would be able to justify the cost unless I did a good
deal of the work myself. The parts are cheap and readily available.
The issue is getting the engine out and back in plus the rebuild cost.
Time for another opinion on the problem. Is the engine hard to start?
Rings and blow by would mean lower compression and hard starting.
Mark Tamblyn
On Nov 21, 2007, at 7:19 PM, [EMAIL PROTECTED] wrote:
List
Need advice.
My Model 15/5411 Universal is ailing. Several months ago had the
exhaust manifold replaced after replacing several freeze plugs
(water leak). Soon thereafter the exhaust pipe riser developed a
hole and as a result the engine compartment was flooded with exhaust
smoke/carbon. The exhaust pipe riser was replaced. Soon
thereafter I started smelling exhaust fumes. Bottom line. Mechanic
has diagnosed the problem as piston ring failure caused by the
engine ingesting the carbon exhaust/carbon. Due to the ring failure
I have "blow by", that is, exhaust gases are blown into the crank
case and exit the engine via the breather tube, which causes exhaust
gases in the cabin. the smell that I have noticed.
I am faced with an engine overhaul and some big time boat units.
Rings need to be replaced and any other problems caused by the
carbon build-up needs to be corrected, i.e. cylinder walls,
bearings, etc.
Does anyone have any experience with this problem?
Any observations and/or suggestions would be appreciated.
John Jennings
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