IIRC the owners manual says to check the oil when hot but after sitting for 15 minutes ... not how I was taught and not how I do it. I check it cold before starting. Remove the dipstick, wipe it as dry as possible, and reinsert. Wait 5-10 seconds and remove the dipstick, flexing it gently as you...
One trap not to fall into is over-engineering, for example holding .0001 tolerance when .0005 or even .001 would work just fine. Precision costs ... repeatability\accuracy can be more important than precision.
Being called billet doesn't tell you what grade of material is used it only tells you the process by which the material is produced. It does tell you that it is not merely cast or powdered metal material.
Would like me to post links to numerous other sites that say the same thing?
http://smt.sandvik.com/en/products/billets-and-blooms/production-process/
https://www.quora.com/What-is-the-difference-between-ingot-bloom-slab-and-billet
One thing I know for a fact is that cast steel, be it sand...
Normally when a piece is specified as "billet steel" it is forged from a billet material, not a casting. Not making myself out to be an expert, but I have been in the ferrous foundry and machine shop business over 40 years, FWIW. Many gears are made from powdered metal in a hot pressed sintering...
This^^^^
How did it run at all with 8 bad coils? That ain't a "misfire" that's DOA.
Edit: Maybe they meant that they failed diagnostic testing, not they failed completely.