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Monty’s Big “O” Super Iso Pro chassis


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#76 Bill from NH

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Posted 31 March 2019 - 10:00 AM

Mark, I'm quite sure I mail ordered mine from Speed & Sport in the '71-'74 period. Back in the day, I ordered items from Ron Granlee that I couldn't get locally. The winging that came with the Associated bodies was unique. I wasn't anything like I ran on a king & a Sovereign track. That was similar to today's winging.
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#77 dc-65x

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Posted 02 April 2019 - 08:13 PM

All finished up. The interior is artistry by Noose:
 
Big%20O%20Iso%20Pro-%2082.jpg
 
She's low and swoopy:
 
Big%20O%20Iso%20Pro-%2071_1.jpg
 
Staying ahead of the "Tribute Racers" going into the lead on:
 
Big%20O%20Iso%20Pro-%2084.jpg
 
That's a Philippe De Lespinay "Diamond" in the middle and a TonyP Da ISO Spyder on the outside.
 
Neat looking livery :sun_bespectacled:


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#78 Pablo

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Posted 02 April 2019 - 08:57 PM

:sun_bespectacled:  :icon22:  :swoon:  :yahoo:  :drinks: 


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#79 Martin

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Posted 02 April 2019 - 10:31 PM

:heart: :heart: :heart: :good:


Martin Windmill

#80 NY Nick

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Posted 03 April 2019 - 06:08 AM

:) Art


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Nick Cerulli

#81 Martin

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Posted 08 April 2019 - 11:50 AM

Would love to know the answer to these questions.

 

Does any one know if these, Monty big O in the clear plastic box chassis, were all signed?

 

I wonder how many were made?


Martin Windmill

#82 Bill from NH

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Posted 08 April 2019 - 12:02 PM

PDL might have a guess.


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#83 Steve Okeefe

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Posted 11 April 2019 - 09:26 PM

Here are some scale drawings of the Monty Ohren Big "O" Super Iso Pro for anyone who might also want to build one (or their own interpretation).

 

First, the complete chassis:

 

1973 Ohren Big O Iso Pro 1 of 4.jpg

 

Next, to clarify how the sub-assemblies fit together, just the center section:

 

1973 Ohren Big O Iso Pro 2 of 4.jpg

 

Now the Iso front end:

 

1973 Ohren Big O Iso Pro 3 of 4.jpg

 

And finally the plumber and pans:

 

1973 Ohren Big O Iso Pro 4 of 4.jpg

 

Have fun!  :D

 

 


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Steve Okeefe

 

I build what I likes, and I likes what I build


#84 dc-65x

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Posted 12 April 2019 - 11:46 AM

Very cool Steve.......thanks!

 

 If anyone wants to build one for yourself Steve's drawings should sure help. It will be fast and fun on a modern track with modern tires and C-can motor.

 

Different versions of this chassis pop up all the time on eBay:

 

https://www.ebay.com...EEAAOSwzVVcrhdw

 

s-l1600.jpg

 

There's the drop arm and motor mount. Some versions have nice pans too. If not, K&S brass sheet works.

 

Please feel free to contact me if I can help clarify anything.


Rick Thigpen
Check out Steve Okeefe's great web site at its new home here at Slotblog:
The Independent Scratchbuilder
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