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JoeE13
Samba Member
Joined: July 02, 2018
Posts: 64
Location: Hatboro PA
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Dale M.
Samba Member
Joined: April 12, 2006
Posts: 20377
Location: Just a tiny bit west of Yosemite Valley
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 Posted: Mon Aug 13, 2018 6:53 pm Post subject: Re: I may have a blown motor? |
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Your lady got it right......
Something inside is broken.....
Guess what, you get to tear it down sooner than you wanted to....
Dale
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mcmscott
Samba Member
Joined: March 12, 2010
Posts: 4856
Location: sanger ca
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| Posted: Mon Aug 13, 2018 7:03 pm Post subject: Re: I may have a blown motor? |
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Its not blown yet, hold it at about 4500 rpm for a few. Then it might be blown.
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Pruneman99
Samba Member
Joined: February 22, 2012
Posts: 5013
Location: Oceanside
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| Posted: Mon Aug 13, 2018 8:23 pm Post subject: Re: I may have a blown motor? |
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Yeah, that's bad. I'm betting broken crank.
I'd tear it down now before you the case gets wrecked. |
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Danwvw
Samba Member
Joined: July 31, 2012
Posts: 8892
Location: Oregon Coast
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| Posted: Mon Aug 13, 2018 8:31 pm Post subject: Re: I may have a blown motor? |
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It will be interesting to see what it did. Might just be a piston broke in two. Are the valves still adjusted about right? Or is one all loose?
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JoeE13
Samba Member
Joined: July 02, 2018
Posts: 64
Location: Hatboro PA
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Pruneman99
Samba Member
Joined: February 22, 2012
Posts: 5013
Location: Oceanside
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| Posted: Tue Aug 14, 2018 9:56 am Post subject: Re: I may have a blown motor? |
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| JoeE13 wrote: |
| Ok thats what I figured. So should I remove valve covers and check valves then pull heads as my first steps? |
Yep. Start at the covers, and work your way in. Post pictures of the carnage. |
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I Ride Sand
Samba Member
Joined: June 07, 2012
Posts: 567
Location: utah
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| Posted: Tue Aug 14, 2018 4:18 pm Post subject: Re: I may have a blown motor? |
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yep, pop the valve covers and see what you have. i just had mine drop a valve seat, jam open long enough to lose the pushrod, then the valve closed and sounded EXACTLY like what you have.
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JoeE13
Samba Member
Joined: July 02, 2018
Posts: 64
Location: Hatboro PA
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| Posted: Sun Oct 14, 2018 5:15 pm Post subject: Re: I may have a blown motor? |
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| I Ride Sand wrote: |
| yep, pop the valve covers and see what you have. i just had mine drop a valve seat, jam open long enough to lose the pushrod, then the valve closed and sounded EXACTLY like what you have. |
Different situation but same result good call. Here my rocker arm failed
Upon further tear down seems someone left out little cap on the end of valve stem 
Also motor needs a rebuild cylinders 3 and 4 are full of oil. I am guessing rings shot? I will be selling off the heads CB 044's, intake, Carb Weber DGV 5A 32/36, all engine internals and cam powerful at 4500 to 6500.
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sp7128
Samba Member
Joined: May 23, 2016
Posts: 1
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| Posted: Sun Oct 14, 2018 5:23 pm Post subject: Re: I may have a blown motor? |
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| that valve w no lash cap ...either is ready to fail or has the wrong keepers on it. there is way to much gap between the keepers |
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FeelthySanchez
Samba Member
Joined: February 03, 2011
Posts: 1349
Location: Now is that a real poncho, or a Sears poncho?
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| Posted: Sun Oct 14, 2018 7:14 pm Post subject: Re: I may have a blown motor? |
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| JoeE13 wrote: |
Here my rocker arm failed.
Upon further tear down seems someone left out little cap on the end of valve stem |
More like the adjusting screw failed, right where it's cross-drilled @ the oil port: check that particular pushrod for straightness & a mangled tip.
The lash cap may have migrated down the P/R tube, so look for it inside the case.
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| modok wrote: |
| I would like if you had enough clue to communicate what you are doing. |
| Ryan Tucker wrote: |
| Enough clue..Whats that mean? |
| OldIronSpine wrote: |
I'm not sure how compression works.
Turbos don't produce torque, they produce HP. Instead of torque.
The real problem with NA engines is you don't hear the nice whine of the turbo as it spools up.
Before I commit, I'm going to do more research because I don't really know what piston rings are. |
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