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  1. #61
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    Quote Originally Posted by FORBESAUTO View Post
    Attachment 435125
    Six petal rubber coated reeds, with some serious restriction on the outer openings from the cage bolt bosses.
    Attachment 435126
    Installed Chris Carson reeds with factory stops. Has lots of room to stuff them down, but not sure how it would work with having to install the intake in a downward motion, if you would run into clearance problems during installation. I may play with this to see if stuffers could be used once Iím done with all the reeds
    Must have been smokin crack when looked at being able to stuff the reed cages down in front, not much room for reed stops and screws to lower cages into front without modifications, must have threw the bare cage in there with no reed stops or screws. If I was to tighten the crankcase on these, looks like doing it in the crankcase with epoxy would be the way to go. Keeping this one mostly stock except for few minor adjustments, so no changes in cc volume on this one.

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  3. #62
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    Alright, got some time to fool with mota this evening and got to actually mock it up and take some measurements instead of crossed eyeballing crack smoking method. On this particular mota, you actually got 0.125 clearance to stuff the reeds toward the crankcase before running into clearance issues and modifications. This one only got 0.030. Click image for larger version. 

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    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by FORBESAUTO; 04-04-2019 at 07:23 PM.

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  5. #63
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    Got a little more assembled.
    Click image for larger version. 

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  7. #64
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    DoktorC , any guru wisdom to share with Forbes?

  8. #65
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    No O-ring grooves to recut .. these are gonna be easy ..

    Lets see, gonna need a platform ..



    Couple of 3 x 7's



    Straighten em up a little



    Drill some hold down bolt holes



    Countersink em



    Gonna need some pockets for the injector bosses to sit in



    The bad head is welded, I still have to angle drill and tap the platform's . Maybe put a couple 8mm dowel's in to keep the head from walking . Cross that bridge as they say ..



    I originally bought this multi-cutter head to do blocks. Because a single cutter deal had to run so slow to keep it from bouncing across the dissimilar metals which would leave streaks. This thing is so ******* heavy and always has a cutter touching, I use it for heads and blocks now.



    I had to Make up a correct cutter for the Yamaha chamber too, at least we have one now ...




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  10. #66
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    Choot you da man Chaz, dat der thang gonna do well on da ole flat ya

  11. #67
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    Forbyston, daybreak now .. go throw the cows over the fence ... some hay . Hungry like alligator !

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  13. #68
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    Some of these posts make me miss ol T-Rex

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  15. #69
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    It seemed to have an effect on me today as well ..


  16. #70
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    Ok, for you HPDI owners, today I replaced the high pressure pump screens. From what Iím seeing, these things cause all kind of problems and get overlooked. Should be a regular maintenance item.
    I removed the top section of the pumps (parts where the lines go into). Used a small screw to screw into screen and get ahold of it, then used a pair of side cutters and rolled the screw upwards using the shape of the cutters against the body. Then used a pin punch with a larger diameter than the screens and gently tapped the new ones into place.
    Click image for larger version. 

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  17. #71
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    Are these considered the "hidden' screens on the HPDI? I know there are many sets to your point. Amazing the gentle touch required for maintenance.

  18. #72
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    That’s them, often referred to as the mystery screens

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  20. #73
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    Click image for larger version. 

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    Got the high pressure pump mounted, control modules, and vacuum fuel pumps all installed. Gotta go through the vst and replace filters next and replace high pressure filter. I’ll post pic of these also as I go.

  21. #74
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    Forby somewhere on the Mrs. table I think there is a set of finished Yamaha heads ready to go.
    I heard her mumblin somethin about second day air .. I don't know .. above my pay grade


  22. #75
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    Welp, got a fine lookin set ov heads in today. Gotta get up off my butt and finish her up now. Got crap going ever wicha-way over here. Buildin four Outboard’s, doin custom work on antiques, putting injectors in a dump truck, and got new cars coming out tha ying-yang with a couple slave drivin women cracking that whip and drivin this train. This is the life. And most of all, gotta get some fishin in sometimes
    Last edited by FORBESAUTO; 05-09-2019 at 02:58 PM.

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