Project Hand Banana

Discussion in 'Some Assembly Required' started by madrider5150, Nov 7, 2016.

  1. madrider5150

    madrider5150 Riding somewhere

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    Took some pretty decent wacks from the rubber mallet to pop it off.. had strapped the cylinder down with rokstraps to prevent base gasket movement but still did, oh well. The front was the same when I pulled it in the spring and it didn't leak so fingers crossed
    20190809_233919.jpg
  2. johnwesley

    johnwesley wanta be

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    Does the mark line up with a mark on the piston? Are you looking at the brass colored or the mark to the edge of the cylinder?
  3. madrider5150

    madrider5150 Riding somewhere

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    I meant the mark in the middle of the valve. Piston and everything looks normal to me. Do those marks come from the factory? Looks too perfect to be damage
    20190810_084826.jpg
  4. JimVonBaden

    JimVonBaden "Cool" Aid! Supporter

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    You mean the two valve indents? If so, yes, that is normal.
  5. villageidiot

    villageidiot Long timer Supporter

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    He means the ring in the middle of the intake valve in the prior pic

    [​IMG]
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  6. villageidiot

    villageidiot Long timer Supporter

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    To me, that looks weird
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  7. madrider5150

    madrider5150 Riding somewhere

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    Yeah I've never noticed anything like that on valves before but again it's so perfect and no other indication of damage. I'll see what hammer performance says about it soon anyway
  8. AK650

    AK650 Long timer Supporter

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    Can't say that I've ever seen that before either. Look forward to hearing what Hammer thinks of it.
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  9. johnwesley

    johnwesley wanta be

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    That’s normal for some of the sportster valves. Nothing to worry about. Look up pics of stock heads and you’ll notice it on the stock valves.
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  10. madrider5150

    madrider5150 Riding somewhere

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    Good to know, it did look too perfect like an indicator mark for whatever reason
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  11. madrider5150

    madrider5150 Riding somewhere

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    So hammer said everything looks good and it's in the queue to be machined. Maybe a couple weeks turn around time. I'm really tempted to snag some Andrews n4 cams, he was saying cams should push hp up into the 90s with my set up
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  12. AK650

    AK650 Long timer Supporter

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    I went with N4's in my 1250 project. They've been a staple street friendly cam for many years. I'll be happy if I get 80+ at the rear wheel, and will be stoked if it hits 90hp. Won't know until this winter/next summer.
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  13. madrider5150

    madrider5150 Riding somewhere

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    Did you have any headwork done or go higher compression?
  14. johnwesley

    johnwesley wanta be

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    Sounds good, he said min would be in the 80’s with the setup I went with. I don’t think they blow smoke...much.
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  15. AK650

    AK650 Long timer Supporter

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    I did. Had the stock 883 heads worked on to give 10:1 compression with the 1250 jugs, and N4 cams.
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  16. madrider5150

    madrider5150 Riding somewhere

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    I need to set the bar low and just be happy to have it properly running after I get it back together! Im actually not sure theres a dyno in this town. BTW do you remember what your jetting was after headwork and 1250?
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  17. madrider5150

    madrider5150 Riding somewhere

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    Hows the project coming along?
  18. AK650

    AK650 Long timer Supporter

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    Slower than slow! Works been busy as hell, and several visits this summer from friends/family from the Lower 48. Down to wiring, brake lines, and clutch. Hope fire it up at some point this winter when work slows down.
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  19. madrider5150

    madrider5150 Riding somewhere

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    Installing my heads back from hammer and I over oil my head bolts and do this. I'm literally sick right now.
    20190909_182459.jpg
  20. anotherguy

    anotherguy Long timer

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    Better failing on install than running. Due to the type hardening they receive a small scratch will cause failure so you may have done yourself a favor.

    Don't sweat it. Easy fix. Just grab it with vice grips and remove. if it resists use a heat gun on the case. If you don't have a stud installation tool you can double nut them but EASY DOES IT with Loctite 271. When the shoulder contacts the gasket surface (which you cleaned well first) STOP.

    How did you torque the head bolts? After 30+ years of Evos I torque them to 42 LB-FT in three steps instead of the factory procedure. Learned that from Ron Dickey of Axtell when I worked at Zippers. I do clean the threads in the bolts with a thread chaser first. Not a tap you do not want to remove material just crap and debris. PM me if ya need anything.
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