Board index Flathead Power-Technical Questions, Answers, and Suggestions Knuckles Knuckle frame

Knuckle frame

Moderators: Curt!, Pa

Post Fri Sep 12, 2008 4:04 am

Posts: 11
I've got a knuckle frame with a pan motor in it out of curiosity I'd be interested to know what year the frame is, could any of you gents help out please?

Post Fri Sep 12, 2008 5:06 am
Post a pic - can't do much without a picture especially if it has been modified a lot.

Post Fri Sep 12, 2008 9:55 am

Posts: 2685
Location: Los Angeles, CA
A Pan engine won't fit in a Knuck frame without serious modification.

Post Sun Sep 14, 2008 2:42 pm

Posts: 11
Can't get the pictures to take, can send them on to anyone who can help. While I'm on can't find much info on the S&S 103" knuckle engine is it high compresion, am I going to be able to kick it and will it blow my 4 speed apart?

Post Sun Sep 14, 2008 4:40 pm

Posts: 2685
Location: Los Angeles, CA
51elpan wrote:
Can't get the pictures to take, can send them on to anyone who can help.


Send them to me at,
hd36knuckl@aol.com

Post Tue Sep 16, 2008 1:26 pm

Posts: 11
Done, did they come through ok?

Post Tue Sep 16, 2008 8:48 pm

Posts: 2685
Location: Los Angeles, CA
51elpan wrote:
Done, did they come through ok?


I haven't seen them.

Post Wed Sep 17, 2008 5:03 am
Pa Site Admin

Posts: 5766
Location: Ohio USA

If Chris can't receive them, try sending them to me. Pa
vtwinrebuild@yahoo.com

Post Wed Sep 17, 2008 2:30 pm

Posts: 11
Thanks Chris and Pa sent them again, if you don't get them would you be kind enough to mail me at ttboy1962@hotmail.co.uk and maybe it'll go as a reply

Post Wed Sep 17, 2008 3:18 pm

Posts: 2685
Location: Los Angeles, CA
I received the photos. But I can't see the seatpost tube behind the rear head of the front motormount clearly in any of them.

Post Wed Sep 17, 2008 4:47 pm

Posts: 11
I'll take some more tomorrow, the seat tube is bashed in to clear the rear head though.

Post Wed Sep 17, 2008 5:21 pm

Posts: 2685
Location: Los Angeles, CA
51elpan wrote:
I'll take some more tomorrow, the seat tube is bashed in to clear the rear head though.


To be done correctly, if there is such a way to goober a frame, the front motor mount need to be lowered. The Panhead front mount is lower than the Knuck and the mounts won't sit flush of the frame unless the front mount is lowered.

Post Wed Sep 17, 2008 7:05 pm
Pa Site Admin

Posts: 5766
Location: Ohio USA

I received them as well. Let me know which you don't want on here. I'll remove them for you. Pa

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Post Thu Sep 18, 2008 3:44 am

Posts: 607
Location: Menomonie, Wisconsin, USA
Later 41 to 45. Jerry

Post Thu Sep 18, 2008 8:50 am

Posts: 2685
Location: Los Angeles, CA
Jerry,
If you will notice this is a brazed frame. Brazed frames came in during 1944.

Post Fri Sep 19, 2008 6:31 am
Pa Site Admin

Posts: 5766
Location: Ohio USA

More pics....
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Post Fri Sep 19, 2008 10:09 am

Posts: 2685
Location: Los Angeles, CA
Notice how the front of your front motor mounts are raised off the frame? They are incorrectly sitting on the mounts and will eventually break them.

Post Fri Sep 19, 2008 3:30 pm

Posts: 11
Is that because it's a pan motor?

Post Fri Sep 19, 2008 7:31 pm

Posts: 604
Location: Largo, Fl

51elpan wrote:
Is that because it's a pan motor?

No....it's because it's a Knuckle frame!

Post Fri Sep 19, 2008 7:35 pm

Posts: 2685
Location: Los Angeles, CA
The front motor mount on a Pan is lower than a Knuck. So when you stuff a Pan Motor into a Knuck frame the mounts don't sit flush.

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