rustystud
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Your engine problem is a real head scratcher for sure. I cannot remember any similar problem before. Now with two engines having the same problem this is getting real interesting. To bad your not closer as I would really like to look that engine over.But Mark now has the same issues with with his piston kits.... the truck lacks power and is hard to start. He is using 100% diesel.
As far as me using some WMO in my fuel, the first first rebuild I had about 50% diesel and 50% WMO... and it ran good for a while until it started not to and getting blow by and hard to start.
The second "rebuild" I honed the cylinders (incase of glazing) and checked the rings again and all looked just as it did before. I also drained all my my fuel and filters and filled with 100% diesel. I had the same results as before. Still harder to start and had blow-by.
Nobody knows what the problem is and we dont have data to support and root cause, only speculation. The only data I have is doing a leakdown test and finding my "New Style LDS Piston Kits" had 95% leakdown. So if nothing was broken and all looked fine, then what would using WMO do physically do the engine to not cause it to run well? upon visual inspection, everything looked fine inside the engine when it was pulled apart the second time.
I hope to have Mark chime in and see what more his results were.
If my engine bites the dust again, Im going to put a 4-71 Detroit Diesel in it with jake brakes. Enough screwing around. So if anybody has one, I may want one just to have as backup. I love the multifuel but enough is enough after a while.