OHV conversion: My take on a Magnum

9236 Views 49 Replies 29 Participants Last post by el diablo, May 22, 2012

antiquespeed&machine

Discussion Starter · Feb 16, 2012

6

Hello,

First off, I'm skipping the intro since I'm not new around here (AKA mrwhitepipes). I have alot of time invested in this bike and I want to use it as an example of what I can do, and also to asociate it with my bussiness, Antique Speed and Machine. I could not figure how to change my name, so I started off fresh. If anyone could help me with this, or is upset at the way I did it, please let me know.

I love hybrid engines. My favorite bike is the Harley DAH. I will never be able to afford one, so I figured I'd build this. I started collecting parts about 5 years ago, and after well over 5000 hours, it's finally complete. I view it as both my expression of what I think is cool, and for thoes who know their parts, its kind of a scavenger hunt to find all the details.

Theres alot to it, and instead of just listing what was done, I'll keep adding pictures and info as people chime in. I hope you all enjoy it!!!

HERE GOES!!!

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G

· #2 · Feb 16, 2012

....Great Scott....

THAT is way cool...!!

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jcs64

· #3 · Feb 16, 2012

ha, I just saw those pics yesterday, lol

I met your brother where we work, Or was that you? (Im pretty sure he said the pics were of his brothers bike).

The bike is beyond cool and I cant wait to see it in person someday. I only had a min to flip through the pics since he found me while I was punching out, so tell him to come find me again.

Again, nice build.

Jeff

Creepinogie

· #4 · Feb 16, 2012

That is super cool. I'm trying to figure out if you used Sportster heads and modified the intake so it's a "T" or what....Oh, now I see. And you got the cyls and heads mounted Crocker style with the long studs.

rustybill

· #5 · Feb 16, 2012

Looks great Andy! Can't wait to see it in person.

Soulfur

· #6 · Feb 16, 2012

Holy F'N Swoon...

the beeza kid

· #7 · Feb 16, 2012

Wow. That's wild. Great job. I love the safety wire or springs or whatever they are on the exhaust. What is the purpose of the linkage going from the pedal to the exhaust?

Dr. Benway

· #8 · Feb 16, 2012

What lubricates the top end parts?

antiquespeed&machine

Discussion Starter · #9 · Feb 16, 2012

5

Yes, it's all sporty parts on top. I wanted to run one of my vertical Wico's so that meant to carb had to go out the left side. I made new flanges for the cylinders and drilled through the fins so the studs use the head bolt pattern.

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MeanMike

· #10 · Feb 16, 2012

Impressive. Could you explain what you did for the valve train? Maybe some build pics.

antiquespeed&machine

Discussion Starter · #11 · Feb 16, 2012

2

The rocker shafts are lubricated with grease. The linkage by the exhaust is the brake crossover. It connects the rod from the pedal to the shaft from the rear wheel.

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antiquespeed&machine

Discussion Starter · #12 · Feb 16, 2012

The valvetrain is pretty simple. Andrews R5 cams and '48-'53 Panhead lifters. The lifters are taller than th 45" lifters. Th lifter blocks are machined to accecpt an oil seal in the tops to keep dirt out. I made little decorative cones that press on the lifters (just under the adjusters). The key is using the later Servicar cam cover. The sportster cams fit in alot easier.

the beeza kid

· #13 · Feb 16, 2012

Oh ok. That's what i assumed at first but when I looked close it looked like it was attached to the exhaust. Where in NY are you?

wild04goat

· #14 · Feb 16, 2012

That is some amazing craftsmanship. Very very cool. Thanks for sharing.

antiquespeed&machine

Discussion Starter · #15 · Feb 16, 2012

jcs64
I remeber your DL restoration, I met you at Lebanon Valley one time for their bike meet. Too bad that meet is dwindling down to nothing. I have a few friends in AHRMA, If only they could do a vintage flat track race there. Mabey it could be tied in with the Rhinebeck AMCA meet?

Its funny that you work with my brother. Our father works there too. You should stop by some time!!

antiquespeed&machine

Discussion Starter · #16 · Feb 16, 2012

Near Albany

kickstarts

· #17 · Feb 16, 2012

Very impressive. Thanks for showing it and the detail shots.

Rubone

· #18 · Feb 16, 2012

Love the engine, hate the wheels. They totally kill the effect in my eye! Makes it look like a roller skate on steroids. It should have a radio playing "La Cucaracha" nonstop!

Robbie

J_F_Byrd

· #19 · Feb 16, 2012

Rubone said:
Love the engine, hate the wheels. They totally kill the effect in my eye! Makes it look like a roller skate on steroids. It should have a radio playing "La Cucaracha" nonstop!
Robbie

Do you have any idea of what you are looking at with those wheels or why they are there?

J_F_Byrd

· #20 · Feb 16, 2012

antiquespeed&machine said:
Hello,

First off, I'm skipping the intro since I'm not new around here (AKA mrwhitepipes). I have alot of time invested in this bike and I want to use it as an example of what I can do, and also to asociate it with my bussiness, Antique Speed and Machine. I could not figure how to change my name, so I started off fresh. If anyone could help me with this, or is upset at the way I did it, please let me know.

I love hybrid engines. My favorite bike is the Harley DAH. I will never be able to afford one, so I figured I'd build this. I started collecting parts about 5 years ago, and after well over 5000 hours, it's finally complete. I view it as both my expression of what I think is cool, and for thoes who know their parts, its kind of a scavenger hunt to find all the details.

Theres alot to it, and instead of just listing what was done, I'll keep adding pictures and info as people chime in. I hope you all enjoy it!!!

HERE GOES!!!

Wow. The freaking level of trickness on so many things is truly impressive. Is that front brake drum also magnesium? What does she weigh?

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