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08-28-2011, 12:35 PM | #1 |
Senior Member
Join Date: Dec 2010
Location: Ferndale, WA
Posts: 107
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engine is stripped down
hear are some pictures of my bearings. the engine is going back on monday to the guy that poured the babbitt to let him see the damage and to give me an explanation of what could have happened. I cant see how my driving habbits could have done this, I drove 55mph tops for about a mile once to see what speed was like, but on longer cruises 40 to 48mph but most of the time was in town or cruising around the county at 35mph or less. I've tried to take it easy on the car because it was my daily driver and wanted it to last for the long run. If it is my fault I do not want this to happen again
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08-28-2011, 12:37 PM | #2 |
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Join Date: May 2010
Location: Oxford Hills, Maine
Posts: 325
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Re: engine is stripped down
How many miles did you put on the motor. Boy it must have been Knocking!
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08-28-2011, 12:38 PM | #3 |
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Join Date: Dec 2010
Location: Ferndale, WA
Posts: 107
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Re: engine is stripped down
rod bearings
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08-28-2011, 12:41 PM | #4 |
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Re: engine is stripped down
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08-28-2011, 12:41 PM | #5 |
Senior Member
Join Date: Dec 2010
Location: Ferndale, WA
Posts: 107
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Re: engine is stripped down
I have 4500 miles on the engine. and maybe 15 miles when it started to knock bad and drove it home almost fully retarded to slow down the knock
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08-28-2011, 12:51 PM | #6 |
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Location: Fresno, Ca.
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Re: engine is stripped down
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08-28-2011, 01:12 PM | #7 |
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Join Date: Oct 2010
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Re: engine is stripped down
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08-28-2011, 01:17 PM | #8 |
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Join Date: May 2010
Location: Westlake Village, CA
Posts: 477
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Re: engine is stripped down
I see no sign of tinning on the rods.
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08-28-2011, 01:53 PM | #9 |
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Join Date: May 2010
Location: Mpls, MN
Posts: 27,582
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Re: engine is stripped down
I don't pour babbit, but it looks like it wasn't tinned, was poured at the wrong temperature and may be the wrong type of babbit. And it looks like it was assembled dirty.
Also, I don't like to drive that fast (55 MPH) until the engine is well broken in, and then only if it has a counterweighted crankshaft. |
08-28-2011, 02:39 PM | #10 |
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Join Date: Oct 2010
Location: Ellis County, Texas
Posts: 337
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Re: engine is stripped down
Running the car 55 for a short time should not cause any damage, much less a meltdown like that. I run my old churn at 55+ on the hiway for long streches and have been doing so for over 10,000 miles. No counter weights on the crank and no knocks so far.
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08-28-2011, 05:37 PM | #11 |
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Join Date: May 2010
Location: Santa Rosa, CA
Posts: 1,279
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Re: engine is stripped down
No parting line relief on the rods. They should be releived all the way across, and across the ends too. The sharp edge acts as a scraper. The rear main drain groove may reduce leakage (unnecessary if it was assembled right) but reduces lubrication too.
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08-28-2011, 05:37 PM | #12 |
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Location: Alabama
Posts: 8,099
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Re: engine is stripped down
There doesn't appear to be any relief at the bolt side of the caps for the oil to collect at the ends of the oil grooves.This alone would probably cause failure of the babbit in a short time. It would be best to have another engine builder redo the babbit. very unprofessional job if I've ever seen one!!
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08-28-2011, 05:41 PM | #13 |
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Location: Alabama
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Re: engine is stripped down
Sorry about that PC/SR we must have been typing at the same time and you beat me to the draw.
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08-28-2011, 08:55 PM | #14 |
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Join Date: May 2010
Location: Santa Rosa, CA
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Re: engine is stripped down
No problem Purdy. Great minds think alike, and apparently at the same speed.
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08-28-2011, 10:35 PM | #15 |
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Join Date: Dec 2010
Location: Ferndale, WA
Posts: 107
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Re: engine is stripped down
I'm heading to Bill Barlow's in the morning for new babbitt. 7 1/2 hr drive.
Thanks for pointing me in the right direction guys. Maybe "Bessy" will be on the road soon |
08-28-2011, 10:46 PM | #16 |
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Join Date: May 2010
Location: Santa Rosa, CA
Posts: 1,279
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Re: engine is stripped down
Al: Bill will do the job right. He did mine which I have used for touring and some speed stuff. No problems. There is a decent hotel with a restaurant next door that serves a good steak a couple of miles from Bill's place. Cant remember the name, but it is on the only hill in Bend. Bessy will be fine.
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