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08-02-2015, 06:47 PM | #1 |
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Join Date: Jan 2015
Posts: 45
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Burlington crank
I am planning on using a counterbalanced Burlington crank on an upcoming re build. Babbette or insert bearings ??? What is the current thinking?
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08-02-2015, 06:53 PM | #2 |
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Join Date: Jun 2014
Location: Melbourne, Australia
Posts: 7,496
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Re: Burlington crank
If you're thinking of inserts, maybe you should consider new con rods too. The originals are getting pretty old and MANY of them are showing fatigue. Cracks around the top are not uncommon.
As for babbit or inserts, either work well but if you go for inserts, make sure you have good oil filtration. I run a Burlington shaft with new rods, all inserted and think it is a great setup.
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08-02-2015, 06:55 PM | #3 |
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Location: Wa.
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Re: Burlington crank
Ahhh, I remember Babbette well, she was the one with the monstrous.....Oops, mind wandered..
If it is a street engine either will work fine. |
08-02-2015, 07:21 PM | #4 |
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Re: Burlington crank
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08-02-2015, 07:26 PM | #5 |
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Location: South East NJ
Posts: 3,398
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Re: Burlington crank
Simple,
Properly done babbit is a protection on your investment. Babbitt gives lots of warning if it is going to fail. As it is failling it takes a long time to really go bad. Usually the crank is not damaged. Properly done babbitt will give you 50,000 or more miles running any speed. Remember it is not the speed that kills babbitt, it is any out of balance condition. That includes timing issues. Inserts tend to fail quick and hard. They will usually damage the block and the crank. Properly done by an experienced shop either will do the job and last 50,000 miles. You get to choose which you prefer. |
08-03-2015, 06:01 AM | #6 |
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Re: Burlington crank
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08-03-2015, 01:11 PM | #7 |
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Join Date: May 2010
Location: NC
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Re: Burlington crank
My experiences is with a Burlington crankshaft, you cannot remove the rear main cap with the engine in the vehicle.
I have been able to remove the rear main cap, but it is very close. |
08-03-2015, 01:38 PM | #8 |
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Location: Largo Florida
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Re: Burlington crank
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08-04-2015, 08:41 AM | #9 |
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Location: Long Island, NY
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Re: Burlington crank
Protect your investment and use modern insert bearings with an oil filtration system. Rod bearings have higher stresses than do crankshaft bearings, so have insert bearings put into the connecting rods too.
Also necessary is a pressure oil feed to the main bearings and connecting rod big end bearings. Splash plus mist oil lubrication is adequate for the piston pin ends of the connecting rods.
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Bob Bidonde Last edited by Bob Bidonde; 08-04-2015 at 09:00 AM. |
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