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Recent content by strokerb

Yesterday's Tractor Forums
  1. S

    late B block on early B tractor

    a late b block has a diff bolt pattern to bolt to a early or mid year b. I also have a 40 b that i"m putting mid year block and in. bored block to 4 11/16 using newer head. In my case I am pulling and am doing lots of other work. Give josh a call he is busy but will always help.
  2. S

    1940 B Horsepower

    Orig I think 39/40 was rated for like 18hp. I bet you see around 22-25hp. I have a 40 I'm working on that was my grandfathers. Orig block wasn't very good so I bought a mid year block and head. Crank wasn't the best either. Having josh blackburn do a 7" crank boring mid year block to 4 11/16...
  3. S

    1940 B Horsepower

    Did you use the orig 39 40 block and flat head?
  4. S

    pistons off this site

    If I remember right the M&w style pistons are slightly longer than orig. But piston pin is moved aprox an inch so piston will be an inch closer to top of cylinder.
  5. S

    gear reduction starter for j.d. 70 with 600 c.i.

    Contact josh Blackburn under pulling forum he can help you.
  6. S

    Build a puller with a JD G or MM U,UB

    might as well pull a stock G if you only want low comp. Comp makes power and if done right will last. Call josh his stuff has proven it's self. Anybody around here with low comp large G's never do as good against guys with smaller G's with more comp right 2-banger lol.
  7. S

    B piston in spark plug hole

    Sounds to me like a stuck valve. Is it back firing thru muffler or air stack? Also make sure no critter crawled into air stack or pre cleaner assembly and plugged it up. Pull valve cover and make sure all rocker arm and valve are moving properly.
  8. S

    John Deere High Comp Pistons

    989-277-5366 josh #
  9. S

    John Deere High Comp Pistons

    You can safely bore to 4.6875 unless block is junk. I know people who have even gone 45 over that. Problem I ran into is the 4.6875 have bigger piston pins and orig rods would not work. Newer rods also will not work due to the journal being larger on newer tractors. I"d give josh blackburn a...
  10. S

    John Deere G Stroker Crankshaft

    josh #989-277-5366.
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