Re: carnage at the dyno
[Re: mopar dave]
#2022249
03/01/16 12:04 AM
03/01/16 12:04 AM
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Joined: Nov 2004
Posts: 6,890 North Alabama
Monte_Smith
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master
Joined: Nov 2004
Posts: 6,890
North Alabama
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Black crank throw...........it grabbed a bearing.
Main web looks cracked. Possible that happened first. Crank may be broken.
Rod didn't break.......it got sawed off
Last edited by Monte_Smith; 03/01/16 12:08 AM.
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Re: carnage at the dyno
[Re: madscientist]
#2022273
03/01/16 12:36 AM
03/01/16 12:36 AM
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Joined: Oct 2003
Posts: 11,702 W. Kentucky
justinp61
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I Live Here
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W. Kentucky
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I can't tell from the picks where it got the block. Did it take out a pan rail or something else I missed?
In the first photo, there is a notch in the bottom of the cylinder on the cam side.
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Re: carnage at the dyno
[Re: mopar dave]
#2022293
03/01/16 12:56 AM
03/01/16 12:56 AM
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Joined: Dec 2006
Posts: 3,401 Pa
Hot 340
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master
Joined: Dec 2006
Posts: 3,401
Pa
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why is that. i thought that was the first one to get oil? Im not sure why. Just what ive seen. Ive seen more number 8's jacked up than any of the rest of the journals.
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Re: carnage at the dyno
[Re: mopar dave]
#2022331
03/01/16 01:22 AM
03/01/16 01:22 AM
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Joined: Sep 2014
Posts: 4,457 Washington
madscientist
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Posts: 4,457
Washington
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dont make sense. i opened up all those passages. one thing i did do diffently this time was use single groove main bearing. will be going back to a full groove next time for sure. I don't think I ever hurt number 8. If all,it did was notch the bores just sleeve it unless you have a bunch of blocks around.
Just because you think it won't make it true. Horsepower is KING. To dispute this is stupid. C. Alston
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Re: carnage at the dyno
[Re: mopar dave]
#2022365
03/01/16 02:22 AM
03/01/16 02:22 AM
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Joined: Feb 2011
Posts: 4,302 Nebraska
72Swinger
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Nebraska
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I feel for your loss, get it apart, sweep up the mess and get after it again. Only thing that gets you over something like that is a newer better one, just like women.
Mopar to the bone!!!
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Re: carnage at the dyno
[Re: mopar dave]
#2022456
03/01/16 11:07 AM
03/01/16 11:07 AM
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Joined: Jan 2003
Posts: 13,492 Marion, South Carolina [><]
an8sec70cuda
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I Live Here
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Posts: 13,492
Marion, South Carolina [><]
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Wow, sorry to see this! Hopefully you can salvage the topend and get something going again soon.
CHIP '70 hemicuda, 575" Hemi, 727, Dana 60 '69 road runner, 440-6, 4 speed, Dana 60 '71 Demon 340, no drivetrain, on blocks behind the barn '73 Chrysler New Yorker, 440, 727, 8.75 '90 Chevy 454SS Silverado, 476" BBC, TH400, 14 bolt '06 GMC 2500HD LBZ Duramax
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Re: carnage at the dyno
[Re: mopar dave]
#2022471
03/01/16 11:23 AM
03/01/16 11:23 AM
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Joined: Jan 2003
Posts: 10,081 Frostbitefalls MN (Rocky&Bullw...
gregsdart
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I Live Here
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didnt take out the pan rail, but it sure did a number on the bottom of the cylinder. pretty sure the block is toast. Hopefully the block can be saved? Never done it, but maybe a Diesel engine repair shop might be able to weld up any cracks.
8.582, 160.18 mph best, 2905 lbs 549, indy 572-13, alky
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Re: carnage at the dyno
[Re: Roughbird72]
#2022544
03/01/16 01:17 PM
03/01/16 01:17 PM
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Joined: Aug 2003
Posts: 5,025 new jersey usa
11secdart
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new jersey usa
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Sorry to hear it man, I feel your pain I lost one on the dyno about a year ago it didnt break anything but burnt the crank and one rod. It happened on the forth dyno pull and was also down about 50 h.p.. I would have been real upset if it hurt my R3 block as they are almost impossible to find. This is also why I dyno all my motors better on the dyno at the engine builders shop than at the track. It got back together and made even more power and torque than what I expected for what the combo is. I hope you find the problem And build it even stronger and better.
Last edited by 11secdart; 03/02/16 09:29 AM.
68 Dart 410 / 904 92 D150 original owner 21 Ram 1500 Quad Cab, Big Horn , Hemi ,4x4 23 Audi Q5 16 Honda HRV
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