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  1. Al Smith

    Comparison

    Things have changed regarding automotive type engines .It used to be about standard 2.5 to 3 thou clearance on rod and main bearings .Now days that is closer to 1 thou .You cannot pump 30WT oil through that tight of a fit . The good news is these modern designs if taken care of will likely go...
  2. Al Smith

    Comparison

    What will surprise most people is a tractor engine .Huge radiator and well limited by the governor as to rpm and small carbs .They seldom get gunky inside . The worst thing for an engine is short jaunts that don't get it up to operating temps .You actually wear the damned things out by...
  3. Al Smith

    Comparison

    Okay ,Purple it is .If it feels good do it .I just change the stuff on a regular bassis myself . I'll tell you something odd though .Most people including myself are old school with 10W 30 oil ,the old standby .Newer engines are designed to run on 5W 20 because of tighter tolerances and they...
  4. Al Smith

    Comparison

    Royal purple :O Ha Ha Ha ,you've got to be pulling my leg .:lol: That company was started by PT Barnum or his long lost cousin .
  5. Al Smith

    Comparison

    This is the Mag piston after I cut a pop in it .It really wasn't too carboned up before I tore into it either . The differences in the saw engines as designed are slight but distict .The AV uses a hemi domed piston with a offset combustion chamber .The mag uses a flat top piston with a...
  6. Al Smith

    Comparison

    No that's an AV .I haven't checked the mag .I will say this for the mag ,that little pup outcut both a 2100 Husky plus an 066 Stihl the last I ran it for time in 10 by 10's . Actually the Rocky special is about my favorite saw .:thumbup:
  7. Al Smith

    Comparison

    That's residue .I never drink Pepsi unless it has a nip of Black Velvet in it .;)
  8. Al Smith

    Comparison

    I'm a slob every where but in the house where in I'm a perfectly tidy guy .:lol: The oil was just whatever ever TSC sells ,nothing special .I've ran 32 to 1 all my life except maybe as a kid with those real old saws which were 16 to 1 . Prior to the original half fast port job that saw ran...
  9. Al Smith

    Comparison

    This is a few pictures showing a saw ran first with a factory muffler but ran on 32 to 1 oil and secondly after a gutted and improved muffler . The first pic was taken about a year ago .I lifted the top and did a real simple port job .Just widened the exhaust polished the intake type .At that...
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