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Old 12-07-2014, 08:23 PM   #1
OldGrandpaTune
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Default Main bearings do not fit

Are we supposed to trim these to fit? I worked all day, and maybe something really stupid on my part is going on.

Here are the bearings:



And this is the label on the box:

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Old 12-07-2014, 08:34 PM   #2
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Part number on the box appears to be correct. Was the box open when you received it?
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Old 12-07-2014, 08:55 PM   #3
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Your block is a center thrust with 55mm journals. The bearings you have are for a rear thrust with 63mm journals. You need part# 271236 std main bearing set and part# 270471 thrust bearing set.
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Old 12-07-2014, 09:02 PM   #4
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Originally Posted by hiperfauto View Post
Your block is a center thrust with 55mm journals. The bearings you have are for a rear thrust with 63mm journals. You need part# 271236 std main bearing set and part# 270471 thrust bearing set.
Awesome glad i just screwed up. Got different year motor.
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Old 12-07-2014, 09:11 PM   #5
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Anyone who wants the wrong set let me know. I'll send them over.
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Old 12-08-2014, 08:07 PM   #6
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Quote:
Originally Posted by OldGrandpaTune View Post
Anyone who wants the wrong set let me know. I'll send them over.
Your bearings are fine.

It's your block and crank that are wrong.
See? Its all a matter of perspective.
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Old 12-08-2014, 09:36 PM   #7
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Originally Posted by John V, outside agitator View Post
Your bearings are fine.

It's your block and crank that are wrong.
See? Its all a matter of perspective.
Okay now I am tripping. Johnny V is looking at the sunny side of life.

Rookie mistake, but we have to suck up our stupid stuff along with the wins. Hopefully this thread will help someone some day double check despite what an expert writes in a paint pen on the motor. When you order main bearings MEASURE THE CRANK JOURNALS.

Had some way more expensive lessons in life than 70 bucks though, usually involving a woman.
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Old 12-08-2014, 10:48 PM   #8
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Had some way more expensive lessons in life than 70 bucks though, usually involving a woman.
Yeah but usually the tbricks problems can be solved by switching to the newest, youngest specimen available...
whereas these problems with women usually start because of switching to the newest youngest specimen available
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Old 12-08-2014, 10:49 PM   #9
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Helped me out, so there's one.

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Originally Posted by OldGrandpaTune View Post
Had some way more expensive lessons in life than 70 bucks though, usually involving a woman.
This.
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Old 12-08-2014, 11:20 PM   #10
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Quote:
Originally Posted by OldGrandpaTune View Post
Okay now I am tripping. Johnny V is looking at the sunny side of life.
I always look at the sunny side of life...

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Old 12-09-2014, 02:27 AM   #11
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Had some way more expensive lessons in life than 70 bucks though, usually involving a woman.
If it has tits, tires; floats, or flies, you'll have problems.
My wife wants an amphibious airplane.
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Old 12-08-2014, 01:12 PM   #12
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I'm interested. Located in 98367.
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Old 12-08-2014, 07:21 PM   #13
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Quote:
Originally Posted by quillc View Post
I'm interested. Located in 98367.
PM me your address. This is a brand new standard main and thrust bearing set that is for 89 and later. I'll get them packed up and mailed to you this weekend. This one is on the house.
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Old 12-08-2014, 01:24 PM   #14
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Is this a B230 block? Is there more than one type of B230 block?
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Old 12-08-2014, 07:19 PM   #15
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Originally Posted by theknave View Post
Is this a B230 block? Is there more than one type of B230 block?
This is a B230FT block. The older ones had smaller crank journals and main bearings, and the thrust bearing was in the middle. In 1989 they switched to larger bearings and moved the thrust bearing.
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Old 12-08-2014, 08:09 PM   #16
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Quote:
Originally Posted by OldGrandpaTune View Post
This is a B230FT block. The older ones had smaller crank journals and main bearings, and the thrust bearing was in the middle. In 1989 they switched to larger bearings and moved the thrust bearing.
And folks have determined that with a little lookin' and thinking a guy could use two sets of thrusts and have full 360 thrusts...
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Old 12-08-2014, 08:24 PM   #17
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Johns right, you need to buy a <89 motor to suit your new bearings.
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Old 12-08-2014, 10:52 PM   #18
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Were you 'shopping for my vehicle' on iPd with a >89 car but you have a <89 motor? Sorry for confusion
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