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Need 066-660 Schoolin

Discussion in 'Chainsaws' started by Poleman, Jan 12, 2018.

  1. Poleman

    Poleman Pinnacle OPE Member

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    Hey gents... question here about the 066 and 660 differences.
    Have an 066 Red light that runs, clean cylinder but the case is broke by the front AV mount. Will a newer 660 case work to repair by swapping over??
    The 660 has a bad piston, but it’s not bad and I thing the cylinder is probably good. It’s missing some carb housing parts but repairable.
    My question will the 066 Red light top work on the 660. Possible build one saw out of one?? Seem I’ve read there are different chassis’s and such and not sure of interchangeability.


    660 piston C9492C65-0591-45D8-8BE6-88A6B56C69A9.jpeg 1FD251E6-EFFF-4EC6-839A-9B8A540D92E2.jpeg 0D103A47-56B2-49F7-98C0-952C213123F0.jpeg 888BA578-2004-45F1-9090-1F38275CFDCE.jpeg 307DF7C4-3E50-4D65-8595-F7EE0162F048.jpeg
    Red light tank that’s broken

    Not my saws and the owner would like them both fixed......cheap!!:confused:
    Just weighing options....

    Thanks!!!!
     
  2. Deets066

    Deets066 AKA Deetsey

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    Personally I wouldn't canabalize the old flat top red light.
    There are a few good members on here that could weld that up.

    But if you choose, the red light topend will work on the 660
     
  3. mdavlee

    mdavlee Hillbilly grinder

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    Top end swap to the 660 will be easiest. You'll need a new case half to fix the red light
     
  4. XP_Slinger

    XP_Slinger I like saws...sometimes

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  5. Poleman

    Poleman Pinnacle OPE Member

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    That what I was thinking Mike on the Red Light. It’s a shame the fronts broken the way it is. Those are nice saws and rather unique.
     
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  6. Deets066

    Deets066 AKA Deetsey

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    @srcarr52, @drf256
    These are two talented fellas with a tig. If ya sweet talk em, one of em could probly weld that up
     
  7. srcarr52

    srcarr52 We can't stop here, th1s is bat country!

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    I've welded up a lot or rear PTO side AV mounts be I've never seen a front mag side ripped out. It shouldn't be that hard to repair though.
     
  8. blsnelling

    blsnelling Friend of the Riff Raff

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    Your 066 RL is an older aluminum flywheel saw where as the 660 is a poly flywheel saw. Different cranks an cases. The topends will swap though.
     
  9. Poleman

    Poleman Pinnacle OPE Member

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    Thanks Brad, that' info I'm looking for as I know there's differences just dont know them all. Enough to ge into trouble anyway!! Lol
     
  10. blsnelling

    blsnelling Friend of the Riff Raff

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    Have @srcarr52 repair yours. You won't regret it.
     
  11. dustinwilt68

    dustinwilt68 Destroyer Of Crankshafts

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    Case volume on the newer 066/660 cause the performance to lack compared to the 066 redlights, the fuel tanks are different as well, for best performance I would have the case welded and repaired, buy a Cross topend for the 660 easiest, cheapest and best fix imo.
     
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  12. mdavlee

    mdavlee Hillbilly grinder

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    Why do you say the bigger case hurts performance?
     
  13. dustinwilt68

    dustinwilt68 Destroyer Of Crankshafts

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    I have had a few of the bigger case saws, was never impressed by them, I attributed it to the larger case volume, MM and timing advance helped but they were still dogs for a 92cc saw. The older small case saws, seem more responsive to me.
     
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  14. mdavlee

    mdavlee Hillbilly grinder

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    I've heard that from a lot of people but timed cuts showed the opposite. Treemonkey has some killer running small case saws.
     
  15. fin460

    fin460 Super OPE Member

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    I may have a case half that will fit. I would need the experts here to identify which half is the correct fit for the 066 red light.
     
  16. dustinwilt68

    dustinwilt68 Destroyer Of Crankshafts

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    Plus the tank is narrower on the redlight and to me makes them feel agile. I have ran a tree monkey 066 short case, very impressed by it, Scott sure has them figured out.
     
  17. Chainsaw Jim

    Chainsaw Jim #fartedinthebandwagon

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    Anything short case that runs the smaller crank.
     
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  18. MustangMike

    MustangMike ONE OF THE GREATEST!

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    Looks like all the 660 may need is a Meteor piston and clean the cylinder, not expensive at all.

    I would do that first, then see if he wants the other one fixed.
     
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  19. RI Chevy

    RI Chevy Stihl Runner

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    Good deal Mike.
     
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  20. huskyboy

    huskyboy ONE OF THE GREATEST!

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    I wouldn’t swap parts between them. Looks like two runners might be possible.
     
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