K R Wilson false cam question.

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Mark Gregush
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K R Wilson false cam question.

Post by Mark Gregush » Sun Feb 28, 2021 10:57 am

Does anyone have one handy that they can check the diameter? The one I have is home made. When I put the boring bar frame on a block with original bearings (no sign of pan rails or main bearing pads being machined or molested), it looks to be over too far when mated up to the false cam. I have not checked the center to center which as I recall is 100MM.
Thanks
I know the voices aren't real but damn they have some good ideas! :shock:

1925 Cut down pickup
1948 Ford F2 pickup

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BE_ZERO_BE
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Re: K R Wilson false cam question.

Post by BE_ZERO_BE » Sun Feb 28, 2021 2:51 pm

Mark.
I think Jack in Tualatin has one.
Bob
Respectfully Submitted,
Be_Zero_Be

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TrentB
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Re: K R Wilson false cam question.

Post by TrentB » Sun Feb 28, 2021 3:20 pm

Check to make sure your KRW false cam is straight. I have measured a number of them between centers and they are frequently banana shaped. If so, that can mess up your center to center camshaft to crankshaft distance.

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Pep C Strebeck
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Re: K R Wilson false cam question.

Post by Pep C Strebeck » Sun Feb 28, 2021 5:38 pm

IMG_6903.JPG

Not the best of examples, I know, but it is what I have. Checked at 3 different points along the length and each one comes in at 1.001". Hopefully this is helpful for you.
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Joe Bell
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Re: K R Wilson false cam question.

Post by Joe Bell » Sun Feb 28, 2021 6:42 pm

All the ones I have seen are 1.000 same as the rear cam bearing hole.

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dobro1956
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Re: K R Wilson false cam question.

Post by dobro1956 » Sun Feb 28, 2021 7:22 pm

I agree with Joe. All the ones I have had are 1.000 on the small part. Also, the front larger area is a snug sliding fit in the front cam bearing hole in the block.

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Mark Gregush
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Re: K R Wilson false cam question.

Post by Mark Gregush » Sun Feb 28, 2021 9:52 pm

Thanks, this is the information I need. Bob; Jack did the babbitt in my 21. Did not even think about calling him. Thanks.
I know the voices aren't real but damn they have some good ideas! :shock:

1925 Cut down pickup
1948 Ford F2 pickup

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Topic author
Mark Gregush
Posts: 5370
Joined: Sat Jan 05, 2019 1:57 pm
First Name: Mark
Last Name: Gregush
* REQUIRED* Type and Year of Model Ts owned: 1925 cutdown PU, 1948 F2 Ford flat head 6 pickup 3 speed
Location: Portland Or
Board Member Since: 1999

Re: K R Wilson false cam question.

Post by Mark Gregush » Mon Mar 01, 2021 10:23 am

I did check it last night. The front is .006 under and rear is .004 under. The front part is a snug fit in the bearing hole. Did not check for straightness. Knowing the correct diameter, at least I could work with that, ether by shimming or build up and turn back down to correct size, more then likely would just shim. So yes it is off a little and maybe what I was seeing was how the oil wells were cut or thickness of the babbitt. I will have to take a better look now with more light.
I know the voices aren't real but damn they have some good ideas! :shock:

1925 Cut down pickup
1948 Ford F2 pickup

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