Board index Flathead Power-Technical Questions, Answers, and Suggestions Big Twin Flatties Which front cylinder do I have?

Which front cylinder do I have?

Moderators: Curt!, Pa

Post Mon Feb 25, 2013 7:38 pm

Posts: 186
I have what I think is a 80 inch SV front cylinder, but has only 7 head bolts. All my references only decsribe 9 headbolts.
Can any-one identify it. Bore approx 3.500inch
Thanks keith
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Post Mon Feb 25, 2013 8:37 pm

Posts: 83
1930-1936 VL, cylinder, head and valve covers, all VL.

Post Mon Feb 25, 2013 8:55 pm

Posts: 186
Interesting. Thanks for that.
I wonder if it is suitable for sale, or shall I keep it for a doorstop??
Keith

Post Tue Feb 26, 2013 6:01 pm

Posts: 497
Location: Six miles East of Cheney, Wa.
Somebody, somewhere may/might need that badly. !! How did you wind up with just one cylinder? oooops or is that a giant big old crack I see? Well, someone could probably use the head, and the valve/tappet covers.

Post Tue Feb 26, 2013 11:13 pm

Posts: 2687
Location: Los Angeles, CA
helsingborg wrote:
1930-1936 VL, cylinder, head and valve covers, all VL.



Actually that is from the later TNT Motor that made its debut in 1934. They changed the angle of the intake port so the '34-'36 used a "Y" manifold instead of the earlier "T".

Post Fri Mar 01, 2013 12:09 pm

Posts: 497
Location: Six miles East of Cheney, Wa.
Is there any such thing as 9-bolt, 1936 VL cylinders with the "T" manifold?

Post Fri Mar 01, 2013 12:27 pm

Posts: 391
Is there any such thing as 9-bolt, 1936 VL cylinders with the "T" manifold?

Nope. all the cylinders made from '34 up are "Y" manifold, and the new for '36 VLH cylinders follow that pattern along with all UL/ULH cylinders. Although '36 VLH '37 later cylinders do not interchange due to exhaust port location.

Post Fri Mar 01, 2013 2:04 pm

Posts: 497
Location: Six miles East of Cheney, Wa.
Okay...was a guy around here selling a 1936 VL, I only saw pictures, but he claimed it was a 9 bolt, but in the pictures, which were good, it had the "T" manifold. It also had VERY bad numbers on it, which he also photographed for me. ??!! I"m talking about as phoney as you can get. I'm not sure if he didn't know any better, or if he was hoping that I didn't know better. At any rate, after seeing the serial numbers I did not persue the deal and further. But he swore that the cylinders were 1936.


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