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Old 02-14-2017, 07:13 PM   #1 (permalink)
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Twin Cam swap to FXR chassis

I wrapped up the last bike and now Im on to the next one.

This time around Im going to be doing an FXR frame with a twin cam drivetrain and 6 speed touring transmission.

Im at the very early stages right now, but heres a few pics of what Im starting with. I will try and take as many pics as I remember to during the process, I know there are a few threads out there that have some good info on it, so here we go

Im starting with a 1988 FXRP (yes its a real RP model, but it had almost none of the RP stuff still on it) so Im parting out the entire bike and keeping the frame.

Here it is on Saturday when I got it home


And later in the day on Sunday all torn down


My local indy shop had an empty 103" A motor sitting around so I grabbed it from them to use for mockup as it weighs about 60lbs it should be much easier to take it an out of the frame for fitment purposes. I also have a bare '07 and up 6 speed touring case coming in this week for the same purpose.


This is the new motor that I will be using on the bike.
116" twin cam A motor
cases setup for Timken bearings
Jims stroker kit
11.5 to 1 compression
Fueling .630 Reaper Cams and Cam plate
Fueling adjustable pushrods
S&S Valvetrain
Billet Rocker Arm Supports
Electric Compression Releases
S&S Superstock heads with some CNC port work



Also going to be going with a set of drop trees for an inverted from end from Fab Kevin and big radial brakes all around with a pair of 7 spoke Morris mag wheels.

Stay tuned for more pics as I get some more work done on it

Last edited by cbellamore; 02-14-2017 at 07:36 PM.
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Old 02-14-2017, 07:28 PM   #2 (permalink)
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cwilks is reading this now saying WTF is this? cwilks is reading this now saying WTF is this?
awesome.....looking forward to it.
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Old 02-14-2017, 10:45 PM   #3 (permalink)
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what do you want for the front end and wheel?

im in new york so no shipping. doing a 87 fxr twin cam myself right now
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Old 02-15-2017, 08:39 AM   #4 (permalink)
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Originally Posted by refg3880 View Post
what do you want for the front end and wheel?

im in new york so no shipping. doing a 87 fxr twin cam myself right now
i sent you a dm with my number to reach me
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Old 02-15-2017, 09:41 AM   #5 (permalink)
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Sounds like an awesome project. Keep us updated.

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Old 02-15-2017, 11:16 AM   #6 (permalink)
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pwmorris is reading this now saying WTF is this?
Looks like a cool project-
Man, you tore that bike down quick!

Look forward to your progress...
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Old 02-15-2017, 11:54 AM   #7 (permalink)
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At least the donor bike still has the mids. Are you cutting the frame brace or going with a oil pan that doesn't necessitate cutting? Good looking motor going in.
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Old 02-15-2017, 12:59 PM   #8 (permalink)
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That's a lot of work. At some point buying a frame already set up for it becomes the better path.
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Old 02-15-2017, 01:01 PM   #9 (permalink)
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That's a lot of work. At some point buying a frame already set up for it becomes the better path.
but it still is titled as a Harley the way he's doing it, not a Special Construction....
Tim
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Old 02-15-2017, 01:08 PM   #10 (permalink)
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but it still is titled as a Harley the way he's doing it, not a Special Construction....
Tim
With a motor number that doesn't match. I fail to see any added value there.
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Old 02-15-2017, 02:05 PM   #11 (permalink)
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Quote:
Originally Posted by compressor#v View Post
At least the donor bike still has the mids. Are you cutting the frame brace or going with a oil pan that doesn't necessitate cutting? Good looking motor going in.
Im still up in the air on that,

on one hand its not much work to cut the crossmembers and make one that bolts in and out, but than the frame is cut and that kinda sucks as far as keeping it OEM is concerned (but its a full custom bike so thats a bit of a mute point)

on the other hand the conversion oil pans look like a great idea but they are certainly not cheap, being that its my own personal bike, I am trying to stay on somewhat of a budget building the whole bike
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Old 02-15-2017, 02:10 PM   #12 (permalink)
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That's a lot of work. At some point buying a frame already set up for it becomes the better path.
Well its the added cost of buying an aftermarket frame, I already recouped about 90% of the money I paid for the donor bike, and Im left with a titled FXRP frame here for a few hundread which is pretty damn good considering what titled frames sell for these days

Quote:
Originally Posted by 1bdBagr View Post
but it still is titled as a Harley the way he's doing it, not a Special Construction....
Tim
Yes exactly here in NY the titles get issued to the frame, I dont need to take it to an inspection place, a bill of sale for the motor and the title for the frame is all I need and the bike stays titled as a Harley FXRP
Quote:
Originally Posted by Thermodyne View Post
With a motor number that doesn't match. I fail to see any added value there.
Would you the same amount of money for a bike titled as a special construction that is an aftermarket FXR style frame as you would a bike titled as a Harley Davidson FXR ?

Ive been building custom bikes for a long time now mainly knuckleheads, panheads, shovelheads etc.
In that market bikes titled as Harley Davidson always sell for more than a special construction type of bike
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Old 02-15-2017, 02:19 PM   #13 (permalink)
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Originally Posted by Thermodyne View Post
That's a lot of work. At some point buying a frame already set up for it becomes the better path.
I don't get it. To me finding a frame or bike already modified for the swap wouldn't be that easy at all. Also, to me, starting from scratch is the best way to go if you want to really make something unique and special. i really admire guys with that kind of "get 'er done and get it right" energy and skills.

A good friend of mine this year swapped his pumped 96" Evo engine in an FXR frame for a built 120" TC. Yeah it took a bit of fitting and a few mods but it came out real nice. To be fair, his bike has a Chopper Guys frame and was already built from scratch. I asked him why he went TC (since he could have gotten 120" from an Evo) and he said he just liked doing that kind of stuff. He also has a complete shop with all the machines and tools. He's a pro and been building and working on Harleys for 45 years.
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Old 02-15-2017, 03:19 PM   #14 (permalink)
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Quote:
Originally Posted by cbellamore View Post
Well its the added cost of buying an aftermarket frame, I already recouped about 90% of the money I paid for the donor bike, and Im left with a titled FXRP frame here for a few hundread which is pretty damn good considering what titled frames sell for these days



Yes exactly here in NY the titles get issued to the frame, I dont need to take it to an inspection place, a bill of sale for the motor and the title for the frame is all I need and the bike stays titled as a Harley FXRP


Would you the same amount of money for a bike titled as a special construction that is an aftermarket FXR style frame as you would a bike titled as a Harley Davidson FXR ?

Ive been building custom bikes for a long time now mainly knuckleheads, panheads, shovelheads etc.
In that market bikes titled as Harley Davidson always sell for more than a special construction type of bike
I'd go the custom frame route and get a special construction title. Bare FXR frames are bringing $2000-2500 with paper. That would more than pay for a wide rear tire frame, set up for a twincam with a pan on the tranny.

As for what it's worth, cut on FXR or S/C, all about the same. The value is how much you enjoy it.

I was talking to some people the other day about the spring repop action and the subject of scooter shop fires came up. The consensus was that the only people paying reasonable money for custom scooters are the insurance companies. Leading back the the rash of fires in the last few years being the only way for some shops to walk away away from it before they go broke.

I haven't seen any of that around here, but I have noticed that the one indie dealer who seems to resell a lot of customs has had the same ones for what seems like forever.
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Old 02-15-2017, 03:57 PM   #15 (permalink)
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He already has a frame
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