Workhorse 8.1 engine problem/history
Two years ago a friend with an 06 35' Winnebago with approximately 35k miles had two pistons with holes burned through. A short block was installed. Last week, about 8k miles since it was replaced, it...
Forum Discussion
ajohnst wrote:
It was my engine that this happened to. I run premium fuel and never push it. Can't run over 3500 rpm or the oil can light appears on dash. Have had that looked @ several times no resolution. This failure ruled an overheat (blown head gasket & warped head).
Not that it would make much difference but I run regular 87 octane and when in the Western mountains I run 85 octane. I always push the coach when out West because it is fully loaded and always towing another vehicle. I have run close to red line with no problems at all.
Obviously you have some kind of problem that needs a mechanic with the right equipment to find. As I mentioned, I would contact Jon Brazel at (877)786-1576 and see if he can recommend a facility, that they deal with, that is familiar with the GM 8.1L engine. I still lean towards a faulty MAF but it could be an O2 sensor that is sending the wrong info to your engine and making it run too lean, which will produce a lot of heat.
