Flathead in an Evo frame?
Flathead in an Evo frame?
So, I have the opportunity to get a complete flathead bottom end for next to nothing and I have a Santee Softail frame sitting in my shop waiting for something to put in it.
Is it possible to mount a Flathead engine in an evo frame using an evo style tranny and primary drive?
Is it possible to mount a Flathead engine in an evo frame using an evo style tranny and primary drive?
Elite HDF Member
Joined: Dec 2009
Posts: 4,598
Likes: 14
From: navarre ohio
is it a big twin flat head or a 45"??the frames say they fit any bigtwin,i have seen a 45 bolted into a panhead frame..pretty sure an evo primary wont bolt up to a flathead,1970 up has an alternator and a bigger mounting flange on the engine,im sure there is something to make it work.65/66 thru 69 had a generator and electric start,that primary should work or a primo belt primary..
I f*ckin missed it anyways, lol! I went back to get message the dude and it was already sold. It was a 45", I knew about the differences in the primary drives, but I didn't know if there was any way to make it work, ie adapter plates and whatnot.
I still want to run either a flathead or pan in my build, though, so this is still a relevant thread, lol!
I still want to run either a flathead or pan in my build, though, so this is still a relevant thread, lol!
Stellar HDF Member
Joined: May 2009
Posts: 2,856
Likes: 127
From: Middle of Kansas
The cool thing about the old engines is that they had magneto's instead of battery ign. I remember my old "45", it would always start, even with a dead battery. Sometimes I think Harley shot them selves in the foot with all the new hitech stuff. At least my EVO still has a carb. Might even change it over to points ign. I did on my old Iron Head Sportster, it worked like a charm, and I could fix it if it didn't.
Road Warrior
Joined: Mar 2007
Posts: 1,396
Likes: 146
From:
The cool thing about the old engines is that they had magneto's instead of battery ign. I remember my old "45", it would always start, even with a dead battery. Sometimes I think Harley shot them selves in the foot with all the new hitech stuff. At least my EVO still has a carb. Might even change it over to points ign. I did on my old Iron Head Sportster, it worked like a charm, and I could fix it if it didn't.
I still have a dwell meter for setting points on my El Camino, but younger guys don't even know what it is.
Stellar HDF Member
Joined: May 2009
Posts: 2,856
Likes: 127
From: Middle of Kansas
That was the reason I changed over to points ign. in my 84 Iron Head. The modual went bad. I think most of the problems with hard starting Sportsters was they did not have the point adjusted right. Mine was electric start, but it always started right up. The 84 Sportster still had a generator, and I never had a problem with it. I did have to replace the regulator 3 times in 50,000 miles though.
On my old flat head "45" it had the advance on the left hand grip. The cable was broke on mine, so I just reached down and twisted it by hand to retard for starting. It always started right up. Just kick it over a couple of times with the choke on and switch off. Close choke, turn on ign. and first or second kick she was running.
I think that is why they still run mags on aircraft. They do not depend on the charging system or battery for ign. Just a more reliable system.
I had some friends that were flying a plane from Kansas to Florida, and their charging system went bad. It was at night and could have been disastrous if it had battery ign.
On my old flat head "45" it had the advance on the left hand grip. The cable was broke on mine, so I just reached down and twisted it by hand to retard for starting. It always started right up. Just kick it over a couple of times with the choke on and switch off. Close choke, turn on ign. and first or second kick she was running.
I think that is why they still run mags on aircraft. They do not depend on the charging system or battery for ign. Just a more reliable system.
I had some friends that were flying a plane from Kansas to Florida, and their charging system went bad. It was at night and could have been disastrous if it had battery ign.
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