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Old 03-01-2013, 02:33 PM   #1
jwalters OP
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1972 Triumph Daytona Build

Hello Folks,
Last year I bought two Triumph motorcycles from a close friend of mine. One was a completely original and running 1964 T100, the other was a mostly original 1972 Triumph Daytona. Both similar bikes from the 500cc unit-construction pedigree. I'm planning on leaving the '64 alone, but I'd like to restore the Daytona since it's already been tampered with. I'd like to do a little more than just repaint the dull bits, I always liked the 500cc racers that defined Triumph in the late sixties, especially at the Daytona 200. So I figure, why not attempt to make a period-correct repli racer?!


Here's how the bike sits today. It's fairly stock, though it doesn't have it's original white/red paint scheme and it is missing the exhaust.
1972 Triumph Daytona









This is what I am after!



Even though it's missing the exhaust, the Daytona runs, I'm planning a trip to Baxter cycle this spring to source a new exhaust for the bike. While doing this, I've been researching the late 60s, early 70s road racing history of the Triumph 500cc bikes. I've found a lot of good documentation, including THIS site which has been a huge help. The bikes came with a bunch of manuals and books that have been a great history lesson. The more you learn about a class of machines the more interesting they become!





(My 1964 "bookshelf")
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jwalters screwed with this post 03-06-2013 at 07:31 AM
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Old 03-01-2013, 03:01 PM   #2
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Here is where things get interesting. The bike also came with this race glass! If anyone knows the maker of the bodywork below, I'd be real interested to hear who made it. I heard someone in New Zealand was making this stuff for quite a while, but I never got a name.

Fiberglass Gas Tank




Tail Section:


Fairing and Canopy:


Lower side panels:
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Old 03-01-2013, 03:04 PM   #3
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Also a new/plastic oil reservoir can be fitted similar to the oil reservoirs used during the the Daytona. In the early years, Triumph was having trouble keeping the engines cool on the long Daytona oval, so they fitted Corvair oil coolers to the race bikes. If anyone has pictures of the setup they used back in the day, I'd appreciate a picture!

Here is what I have to work with.
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Old 03-01-2013, 03:06 PM   #4
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More inspiration....

Here are some more pictures from the Triumph racers from the late 60-70s.









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jwalters screwed with this post 03-04-2013 at 07:36 AM
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Old 03-01-2013, 03:35 PM   #5
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Nice projects you've acquired there JW. You'll have to graft on another 250cc and a cylinder to truly look like the racers in some of those pictures though!
Good luck with the restos
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Old 03-01-2013, 03:41 PM   #6
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The pictures were just to show a similarity in the body work I acquired. The 500cc factory racers of the late 60s were 500cc twins and that's what I'm trying to build out of my 72 Daytona.

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Originally Posted by davebeef View Post
You'll have to graft on another 250cc and a cylinder to truly look like the racers in some of those pictures though!
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Old 03-01-2013, 03:45 PM   #7
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Here is one of the best pictures of the 500cc Daytona bikes built in 1967. The bodywork I have is VERY close to this. I'm interested in the exhaust configuration pictured below.

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Old 03-01-2013, 07:27 PM   #8
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Have you contacted the folks at the Barber museum in Alabama ? He has a lot of old race bikes on display. May have something you can look at for ideas.


Mike
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Old 03-01-2013, 08:46 PM   #9
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The book you photographed lying on the seat, Triumph Racing Motorcycles In America, has some excellent shots of the T100 racers, including one of the coolers and another of the "saddle" oil tanks.

Tri-Cor sold fairings, fuel tanks and seats for racing in the early sixties. It's unfortunate that Cliff Guild has left the building, but if you google his name and Triumph, a lot of good information comes up.
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Old 03-04-2013, 07:23 AM   #10
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Thanks guys for the advise! I'm going to keep this thread rolling, and hopefully create a repository of information on these 500cc race bikes.

Cogswell: I haven't contacted anyone at Barber, but I was there last year for the ARHMA/Swap Meet. They had a wonderful 2 hour session on rebuilding Amal carbs! That will come in handy I'm sure!








Off topic, but they also had a Brit demonstrate oxy-acetealine welding and fabricating a Indian fender from scratch! He made the darn thing while talking to us and sipping tea! It was amazing. That museum is a wealth of info!
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Old 03-04-2013, 08:00 AM   #11
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Here's a shot I took from Barber last summer: I believe this is a 500cc machine of Alex George, but I can't say for sure. It appears to be a later model.
Anyone?



A Trident again.
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Old 03-04-2013, 08:16 AM   #12
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My late friend , Mike Smith built and raced this 500. He copied Buddy Elmore's Datona winner.
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Old 03-04-2013, 08:20 AM   #13
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Dogh!! Thanks!

Quote:
Originally Posted by goatroper View Post
Here's a shot I took from Barber last summer: I believe this is a 500cc machine of Alex George, but I can't say for sure. It appears to be a later model.
Anyone?



A Trident again.
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Old 03-04-2013, 08:22 AM   #14
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Thanks for posting this. Nice bike! From what I've gathered, earlier racebikes had the high scrambler style exhaust like in your picture below. The the later bikes had one exhaust on the left and the right exhaust cross below the frame and exit on the right.


Quote:
Originally Posted by bk brkr baker View Post


My late friend , Mike Smith built and raced this 500. He copied Buddy Elmore's Datona winner.
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Old 03-04-2013, 11:54 AM   #15
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I restored this 76 Daytona a few years ago. Lovely little bikes, just doesn't seem right revving the nuts off a Triumph twin but they thrive on it.

There were only 44 of the 76 machines built. They get a mention in some of the history of the models books.



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