entropy
Moderator
Posts: 8671
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posted April 04, 2009 04:29 AM
 Edited By: entropy on 4 Apr 2009 14:34
4.5 sec @ 2-3psi oil pressure =
Whew, there are no gold specs in the oil pan, so bearings must be OK
wait a minute, the bearings are gone???
And what's all this BLACK shit???? 
#3 rod will probably need to be sized, I'll send it to Jim today.
had the drop in oil pressure from about 4000 rpm thru 11600 rpm in 1st gear...
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Johnnycheese
Pro
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posted April 04, 2009 04:51 AM
I think that oil has way too much ash content
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LandspeedLarry
Expert Class
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posted April 04, 2009 05:16 AM
Very expensive scrap, but at least the motor did not seize up and give you a Berclair Body Cast.. Glad you are OK and can race another day which turned out to be the NEXT day. Super thrash Karl & Doug=real racers. LSL
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tcchin
Zone Head
Posts: 867
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posted April 04, 2009 05:40 AM
You should have used Prolong oil treatment. It works great in the commercials.
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entropy
Moderator
Posts: 8671
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posted April 04, 2009 06:30 AM
quote:
You should have used Prolong treatment. It works great in the commercials.
OK Tim, I'll use it, but i'm kinda unsure about how to apply it???
I assume McMaster Carr carries it?
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NOX
Needs a job
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posted April 04, 2009 07:39 AM
Hmmmm
Where have I seen that before.......
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Y2KZX12R
Needs a job
CompetitionCNC.com
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posted April 04, 2009 08:04 AM
Karl, Maybe we can weld up that #3 rod?
The wire wheel should get all the black off.
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entropy
Moderator
Posts: 8671
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posted April 04, 2009 09:02 AM
quote:
Hmmmm
Where have I seen that before.......
Nox,
yep you have seen it before, and likely my failure is the same as what you saw.
I have had the swinging oil pickup on 1/4mi hundreds of passes with no problem.
This time it was pointed fwd and didn't swing until i hit 2nd; logs are very clear.
But, BUT, the fault is mine not the pan/pickup design.
There was some kinda grit/shit in the swing bearing, swings stiff.
I did NOT check the swing bearing when i assembled the motor. My fault.
and expensive lesson...
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entropy
Moderator
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posted April 04, 2009 09:04 AM
quote:
Karl, Maybe we can weld up that #3 rod?
The wire wheel should get all the black off.
That's what I was thinking!
You and Bill have all kinda fancy machines, I sure you can fix #3, polish up the others, buy a couple bolts, GTG!!!
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aliveagain
Needs a life
Posts: 5033
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posted April 04, 2009 09:08 AM
Can you explain a little bit about the piston?Is that showing where a valve was hitting and are those pit marks from detonation?On the outside of the valve pockets,is that where people have been smoothing out to reduce hot spots?
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KZScott
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posted April 04, 2009 09:43 AM
holy fukk.... when you break stuff, you REALLY break stuff!!
hows the crank?(does it need a trip to Marine?)
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MadMike
Moderator
FEAR THE BLACK FLAG!!!!!!!!
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posted April 04, 2009 10:16 AM
Hey that will buff right out! maybe...
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entropy
Moderator
Posts: 8671
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posted April 04, 2009 10:24 AM
all exh valves tapped a bit cause the bearings were GONE, not just spun, but gone.
I haven't seen detonation previously, and it is just on that one piston.
yep on the smoothing of sharp edges/ supposed hot spots, but i quit doing that smoothing, doesn't seem to make any difference either way. If i was running nitrous i would start doing the smoothing again.
The crank isn't going to Marine, too far gone. 1/2" deep gouge in #3 rod journal
it's gonna lie in ambush for the County guy who runs a brush hog through my bone-yard bushes now and again.
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MadMike
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FEAR THE BLACK FLAG!!!!!!!!
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posted April 04, 2009 03:21 PM
quote:
The crank isn't going to Marine, too far gone. 1/2" deep gouge in #3 rod journal
it's gonna lie in ambush for the County guy who runs a brush hog through my bone-yard bushes now and again.
LMAO... I can just see the guy... "Ho hum this job is so boring, man I can wait till tonig...(WHAM!!!!!) slighly peeing his pants, Holy Crap!!! what the hell was that??? man I have got to get a different area!!!
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whitehendrix
Zone Head
fails!
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posted April 04, 2009 08:13 PM
Edited By: whitehendrix on 5 Apr 2009 04:15
theres a bit of discoloration on #3.
might wanna hit that with some mother's and a sisal wheel.
be sure to doublecheck the torque on that main cap when you reinstall it. 
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osti33
Needs a job
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posted April 04, 2009 09:21 PM
YIKES!!! 
That is some serious carnage!
That is bushes material if I've ever seen it. Holy crap!
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brendasue555
Expert Class
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posted April 04, 2009 11:50 PM
Karl, is that what happened on that last run in Berclair? Or have you ridden it since? You would think I could have heard something that looks like that, no matter how far away I was. Ouch I hate it when that happens.
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aliveagain
Needs a life
Posts: 5033
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posted April 05, 2009 03:33 AM
Edited By: entropy on 5 Apr 2009 12:17
quote:
quote:
Hmmmm
Where have I seen that before.......
Nox,
yep you have seen it before, and likely my failure is the same as what you saw.
I have had the swinging oil pickup on 1/4mi hundreds of passes with no problem.
This time it was pointed fwd and didn't swing until i hit 2nd; logs are very clear.
But, BUT, the fault is mine not the pan/pickup design.
There was some kinda grit/shit in the swing bearing, swings stiff.
I did NOT check the swing bearing when i assembled the motor. My fault.
a fukken expensive lesson...
How do you know the grit wasn't from the motor going or clutch fibers?
____________
I wondered why the baseball kept getting bigger. Then it hit me.
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entropy
Moderator
Posts: 8671
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posted April 05, 2009 04:16 AM
quote:
How do you know the grit wasn't from the motor going or clutch fibers?
I don't know anything for sure, but i do know the pick up used to swing freely, and it didn't swing this time.
when we took apart the motor:
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aliveagain
Needs a life
Posts: 5033
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posted April 05, 2009 09:06 AM
I see the problem now,you need to demagnetize that pick-up!
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TRNorBRN6001
Needs a job
Posts: 2021
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posted April 06, 2009 01:17 PM
Karl, like they said a little wire wheel some buffing compound and that crank and rod set are ready for e-bay!
Seriously though, that hurts! Glad you rode it out nice and smooth. Your wife and I were very concerned when we saw the mosquito fogger action.
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whitehendrix
Zone Head
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posted April 06, 2009 07:18 PM
thats one hell of a paperweight.
make a lamp or table out of it!!
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ill never own a busa unless
someone gives me one.... and then
ill sell it -KZScott
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ZXLNT
Needs a job
Kawpuke Extraordinare
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posted April 06, 2009 09:52 PM
Crap man, that the billet crank???
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entropy
Moderator
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posted April 06, 2009 11:33 PM
quote:
Crap man, that the billet crank???
nope, weld up.
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woppi
Pro
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posted April 07, 2009 03:52 AM
! ! ! ! ! ! !
OOOOOOOOOOOOUCH
I hate it ----------- when that happens !!!!!!!!!!!!
! ! ! ! ! ! ! ! !
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