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Search: Posts Made By: Kohnke Rebabbitting
Forum: Model A (1928-31) 12-09-2019, 11:42 PM
Replies: 16
Views: 885
Re: Babbit woes

No, not at all. Only cast iron can be peened, as if you try to peen a tinned bearing, it can bust the bond between Babbitt, and the tinned shell, or the tinning, from the shell.

Herm.
Forum: Model A (1928-31) 12-09-2019, 11:28 PM
Replies: 16
Views: 885
Re: Babbit woes

We are about 5, to 6 mounths out all the time.

Herm.
Forum: Model A (1928-31) 12-09-2019, 04:19 PM
Replies: 16
Views: 885
Re: Babbit woes

There really is no bond on cast iron, what it amounts to is a very hard crimp from the babbitt, to hold on to the bearing shell.

Many think the Anchor holes, were put there to hold the babbitt in....
Forum: Model A (1928-31) 12-08-2019, 07:49 PM
Replies: 16
Views: 885
Re: Babbit woes

Pictures of cap failures.

Herm.
Forum: Model A (1928-31) 12-08-2019, 07:36 PM
Replies: 16
Views: 885
Re: Babbit woes

Pictures would help!

If the caps were not tinned, you can pull babbitt easy.

If they were tinned, could been a bad job, as many Guys ( By all the you tube videos ) have tinning flux on the cap,...
Forum: Model A (1928-31) 11-23-2019, 12:50 AM
Replies: 10
Views: 721
Re: Proper crankshaft grinding

I don't know about money ahead, Mr. Jeff, I have put several in, of each kind. There is nothing like balance though.

I don't know about about how the Burlington is now, but they used to be shy...
Forum: Model A (1928-31) 11-22-2019, 12:36 AM
Replies: 30
Views: 1,111
Forum: Model A (1928-31) 11-20-2019, 07:12 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

Just a few pictures left.
Forum: Model A (1928-31) 11-20-2019, 06:37 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

More pictures, same Motor.
Forum: Model A (1928-31) 11-20-2019, 06:15 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

Give, or take 500 engines. Way more then that in just babbitt jobs. There was a Guy in Minneapolis, that would bring, 18 to 22 blocks at a time. He would do the machine work, and then brought them...
Forum: Model A (1928-31) 11-20-2019, 04:24 PM
Replies: 10
Views: 721
Re: Proper crankshaft grinding

The middle Video is J & M Machine, in Ms. They grind a crank Perfectly.

That is one thing we have had trouble with over the years, is crank grinding.

A Customer would have his shop grind the...
Forum: Model A (1928-31) 11-19-2019, 05:47 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

To answer your question, on what we have found, was about 33 cranks, in about 55 years, not broke, but cracked, and not usable. We have never used any crank shaft, with out magnafluxing it first, on...
Forum: Model A (1928-31) 11-19-2019, 05:24 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

Model A's had a lower breakage, because of the bigger shaft that was used, then the Model T's that had, or have about a 65%, or a little higher, crack rate. This is all caused by out of alignment,...
Forum: Model A (1928-31) 11-17-2019, 04:49 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

Mr. Red, I missed the word " NEGATE ", short answer, No.
Forum: Model A (1928-31) 11-17-2019, 04:45 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

The crank would be out of alignment at the bearings, the worst, at rest, and when running, the centrifugal force of the flywheel, tries to put the shaft back into a straight line, it has to force...
Forum: Model A (1928-31) 11-17-2019, 04:11 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

I like the bearings [ rods and mains] at .0015" [ no more than .002"] with each side of the shim pack equal thickness.[/QUOTE]


Me too.

Herm.
Forum: Model A (1928-31) 11-16-2019, 09:16 PM
Replies: 30
Views: 1,111
Re: Main and Rod Shim Sequence ???

What the reference is to, the middle main, as most know, the hanging weight of the flywheel, causes the the crank to bowed, center bearing up, and rear bearing down.

In a center bearing, you can...
Forum: Model-A 11-09-2019, 07:22 PM
Replies: 1
Views: 194
Re: Valcan connecting rod lathe

The post is missing a picture missing.

Herm.
Forum: Model-A 11-09-2019, 07:19 PM
Replies: 1
Views: 194
Valcan connecting rod lathe

Excellent condition, rebuilt when I got it. Replaced all the Ball Bearings, didn't need it, but we did.

It will do any rod, and also wrist pin bushings.

Same machine as a Storm-Valcan, before...
Forum: Model A (1928-31) 11-03-2019, 01:06 AM
Replies: 7
Views: 490
Re: adjustable lifters

You done what is normal here.

We don't adjust with springs on.

Pull the lifter up, put on the wrench to the lifter body, push in to hold the lifter up, take the other wrench for the nut, and...
Forum: Early V8 (1932-53) 10-10-2019, 02:49 PM
Replies: 47
Views: 1,930
Forum: Early V8 (1932-53) 10-09-2019, 10:58 PM
Replies: 47
Views: 1,930
Re: 8ba rod bearing problem

Most bearing books have a maximum, and minimum for any given crank. On say a 2" crank, the actual minimum size should be .002 thousandths, and plus, one more .000-50 for a maximum.

If you set a...
Forum: Early V8 (1932-53) 10-09-2019, 10:21 PM
Replies: 47
Views: 1,930
Re: 8ba rod bearing problem

The best one was built by Sunnen, Model KN, look on E-Bay. It was made to be used just for Rods mostly when just one pin went bad. You jacked the car up, pulled the pan, put an electric motor and...
Forum: Early V8 (1932-53) 10-09-2019, 06:10 PM
Replies: 47
Views: 1,930
Re: 8ba rod bearing problem

It was for Rods, NOT mains.

Herm
Forum: Early V8 (1932-53) 10-06-2019, 04:54 PM
Replies: 47
Views: 1,930
Re: 8ba rod bearing problem

Using a so called good enough crank, could mean it can very in a few tenths in size. Mic closely the pins that turn good, compared to the one that doesn't. As previously stated, check Radius, a .001...
Showing results 1 to 25 of 500

 
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