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Re: Monza GT Go-Kart
Posted by: classic1 ()
Date: March 10, 2010 12:44PM

How can I get in touch with RobRon, Inc. I am restoring my Chevy Jr. I can be reached at areid@Safe-mail.net or this forum. I am also looking for Tecumseh engines and parts. Clutch, chain etc. I am starting to clean out my garage and pull my chevy Jr out after @ 43 years. Thanks.

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Re: Monza GT Go-Kart
Posted by: isucorvair ()
Date: March 10, 2010 02:56PM

1-800-624-7383 (7am to 4pm), RobRon Inc.

He used to have a website, but I cant seem to find it.


Question on your Chevy Jr. - Where is the serial number? Is it on the body / cockpit edge like the Monza Jrs, or is it a decal on the frame?

Eric p.
DeWitt, IA

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My Article on the Monza Jt
Posted by: ral1963 ()
Date: March 10, 2010 03:50PM

Some time prior to 1965 GM contacted Rupp MFG, a mini-bike and go cart company located in Mansfield Ohio, to provide a chassis for a miniature fiberglass replica of the Monza SS show car. Rupp ended up paring one of their existing models of go cart chassis, the Dart Kart with the scale replica Monza SS body which was then re-designed to fit the Dart Chassis. The re-design keep the main body lines but changed the rear deck area behind the driver, the cockpit back shaping was lowered, and the removal of the windscreen were the main changes. The single seat Monza JR was powered by a 3.5 HP Lauson motor (a division of Techumseh). The body had integrated inner fender wells to keep out road debris. The steering consisted of a uni-action steering linkage and braking was handled with a 6” drum and brake strap setup common to Karts. The drivers ride comfort was enhanced by inflatable rubber tires and a padded naugahyde seat with side bolsters. It would appear that the first Monza Jr were offered with black seats and the later Chevy Jr’s were offered with white seats.
In 1965, Chevrolet received its first order of Monza Jr. go-carts from Rupp. Chevrolet displayed them and raffled them away at auto shows and exhibits. It is believed that they first made their appearance at the Detroit Auto show, possibly in conjunction with the newly restyled 1965 Corvair debut and then continued to make their appearance at various auto shows, traveling Chevy shopping center shows, Chevy exhibits at fairs, etc.
Initially they could only be won through these special promotions, but eventually Rupp was allowed to sell them to the general public. Not only could the general public purchase them from Rupp but also dealerships began buying them and offering them in their own promotions as well.
Over the years there were some slight changes made to the carts. The very first carts produced from 1965 to 1967 were named Monza Juniors and were Ember Red like the full sized Monza SS prototype they paid homage to. In 1968 the cart’s name was changed to Chevy Jr. and the body color was changed to Marina blue with a white stripe pattern added to the nose and rear end. Eventually the Chevy Jr. was also offered in a reddish orange similar to a Corvette color with the same white stripe on the nose and tail. Chevrolet continued to use the carts in promotional give-a-ways up until around 1975.
Additionally a large quantity of these Rupp Chevy Jr carts were purchased and used for years by the Shriners in numerous parades to promote their organization. There was also a fleet of the Chevy Jr’s that were ordered with white body and used at the driver safety training facility called Safetyville, USA. Safetyville was located in Flint Mi, and was a miniature setup of streets, sidewalks, and building that drivers would operate their Chevy Jr’s around while learning traffic safety. GM operated Safetyville, USA until 1978, where it was turned over to the Genesee County Parks and Recreation Commission.

Rick Loving
Corvair historian & chronicler of useless facts
CORSA
Performance Corvair Group
Chicagoland Corvair Enthusiasts

RAL1963@COMCAST.NET
Just south of Chicago IL

Current Rides
63 Sprint Vert 140/4sp

Past Rides
66 Turbo Coupe 180/4sp
60 700 Sedan 80hp PG
63 Monza Vert 102hp 4 spd
63 Monza Coupe 140hp 4 spd
63 700 Sedan 80hp 3 spd
64 Monza Vert 110hp 4 spd
64 Monza Coupe 95hp 3 spd
64 Monza Sedan 110hp PG
65 500 Coupe 95hp 4 spd
65 Monza Coupe 110hp PG
65 Corsa Coupe 140hp 4 spd
68 Monza Vert 140hp 3 spd

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Re: Monza GT Go-Kart
Posted by: isucorvair ()
Date: March 10, 2010 07:49PM

A couple additions to Rick's post.

#1. The VERY First Monza Jrs looked like the first pic I posted. Higher seat back, windshield, cool exhaust header, fancy emblem on the hood. I know of at least 2 like this. The one in the photo was the proto for GM.

#2. All the original Monza Jrs, after the body styling change (from line 1 above) had a Monza Emblem on the very front - see the picture of my Monza Jr. Body, the rough looking one.

#3. Monza Jr's have a serial tag riveted onto the body, in the drivers "cockpit" area - and Chevy Jr's had a decal on the frame, and may have had a "hidden VIN" stamped into the frame (I am trying to confirm this).

#4. It does appear that, as Rick mentioned, all Monza and Chevy Jrs came with a 3.5hp Tecumseh (or Lauson) engine.


Also included an original 1967 publicity photo of a giveaway.

Eric P.
DeWitt, IA



Edited 1 time(s). Last edit at 03/10/2010 07:50PM by isucorvair.

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Re: Monza GT Go-Kart - More on Monza Jr Prototypes..
Posted by: ral1963 ()
Date: March 10, 2010 08:54PM

This Monza Junior prototype go cart was based on a scaled down version the GM show car the Monza SS. It was the first styling of the Monza Jr. It was made at the GM styling center for Bill Mitchell as a gift to his stepson and its obvious heritage to the GM promotional, Rupp manufactured line of Monza Jr. and Chevy Jr. line of go carts is obvious. This cart wasn’t merely a child’s toy, it was built on a racing cart frame and was powered by a 2-cycle West Bend Power Bee engine. It inhaled and exhaled through twin, velocity stacks topped Dellorto carbs and a free flowing megaphone exhaust. It was complete with instrumentation, a teak wood racing wheel, and racing slicks. After the 1st cart was made another request was made by Chuck Jordan (then Director of Design) to have another made for his son Mark. This second cart body was the only other body of this style made at GM styling. It was not as elaborate as the 1st cart as it was mounted on a standard Rupp cart frame with the stock Rupp engine and steering wheel. It would be safe to assume that others wanted similar carts and due to these requests a marketing idea came about that both solved the demand for these carts and got GM styling staff out of the go-cart business.

Rick Loving
Corvair historian & chronicler of useless facts
CORSA
Performance Corvair Group
Chicagoland Corvair Enthusiasts

RAL1963@COMCAST.NET
Just south of Chicago IL

Current Rides
63 Sprint Vert 140/4sp

Past Rides
66 Turbo Coupe 180/4sp
60 700 Sedan 80hp PG
63 Monza Vert 102hp 4 spd
63 Monza Coupe 140hp 4 spd
63 700 Sedan 80hp 3 spd
64 Monza Vert 110hp 4 spd
64 Monza Coupe 95hp 3 spd
64 Monza Sedan 110hp PG
65 500 Coupe 95hp 4 spd
65 Monza Coupe 110hp PG
65 Corsa Coupe 140hp 4 spd
68 Monza Vert 140hp 3 spd



Edited 1 time(s). Last edit at 03/10/2010 08:54PM by ral1963.

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Re: Monza GT Go-Kart - Monza Jr Prototype photo..
Posted by: ral1963 ()
Date: March 10, 2010 08:57PM

...

Rick Loving
Corvair historian & chronicler of useless facts
CORSA
Performance Corvair Group
Chicagoland Corvair Enthusiasts

RAL1963@COMCAST.NET
Just south of Chicago IL

Current Rides
63 Sprint Vert 140/4sp

Past Rides
66 Turbo Coupe 180/4sp
60 700 Sedan 80hp PG
63 Monza Vert 102hp 4 spd
63 Monza Coupe 140hp 4 spd
63 700 Sedan 80hp 3 spd
64 Monza Vert 110hp 4 spd
64 Monza Coupe 95hp 3 spd
64 Monza Sedan 110hp PG
65 500 Coupe 95hp 4 spd
65 Monza Coupe 110hp PG
65 Corsa Coupe 140hp 4 spd
68 Monza Vert 140hp 3 spd

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Re: Monza GT Go-Kart - More photos and datatag..
Posted by: ral1963 ()
Date: March 10, 2010 09:01PM

...

Rick Loving
Corvair historian & chronicler of useless facts
CORSA
Performance Corvair Group
Chicagoland Corvair Enthusiasts

RAL1963@COMCAST.NET
Just south of Chicago IL

Current Rides
63 Sprint Vert 140/4sp

Past Rides
66 Turbo Coupe 180/4sp
60 700 Sedan 80hp PG
63 Monza Vert 102hp 4 spd
63 Monza Coupe 140hp 4 spd
63 700 Sedan 80hp 3 spd
64 Monza Vert 110hp 4 spd
64 Monza Coupe 95hp 3 spd
64 Monza Sedan 110hp PG
65 500 Coupe 95hp 4 spd
65 Monza Coupe 110hp PG
65 Corsa Coupe 140hp 4 spd
68 Monza Vert 140hp 3 spd

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Re: Monza GT Go-Kart
Posted by: ral1963 ()
Date: March 10, 2010 09:07PM

In the picture above of the blue cart...

After the 1st cart was made another request was made by Chuck Jordan (then Director of Design) to have another made for his son Mark (standing in the picture on the right)

Rick Loving
Corvair historian & chronicler of useless facts
CORSA
Performance Corvair Group
Chicagoland Corvair Enthusiasts

RAL1963@COMCAST.NET
Just south of Chicago IL

Current Rides
63 Sprint Vert 140/4sp

Past Rides
66 Turbo Coupe 180/4sp
60 700 Sedan 80hp PG
63 Monza Vert 102hp 4 spd
63 Monza Coupe 140hp 4 spd
63 700 Sedan 80hp 3 spd
64 Monza Vert 110hp 4 spd
64 Monza Coupe 95hp 3 spd
64 Monza Sedan 110hp PG
65 500 Coupe 95hp 4 spd
65 Monza Coupe 110hp PG
65 Corsa Coupe 140hp 4 spd
68 Monza Vert 140hp 3 spd

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Re: Request for Photo..
Posted by: ral1963 ()
Date: March 10, 2010 09:11PM

Eric, can you email the full size shots of the Monza Jr proto and the giveaway photo to ral1963 AT comcast.net

Rick Loving
Corvair historian & chronicler of useless facts
CORSA
Performance Corvair Group
Chicagoland Corvair Enthusiasts

RAL1963@COMCAST.NET
Just south of Chicago IL

Current Rides
63 Sprint Vert 140/4sp

Past Rides
66 Turbo Coupe 180/4sp
60 700 Sedan 80hp PG
63 Monza Vert 102hp 4 spd
63 Monza Coupe 140hp 4 spd
63 700 Sedan 80hp 3 spd
64 Monza Vert 110hp 4 spd
64 Monza Coupe 95hp 3 spd
64 Monza Sedan 110hp PG
65 500 Coupe 95hp 4 spd
65 Monza Coupe 110hp PG
65 Corsa Coupe 140hp 4 spd
68 Monza Vert 140hp 3 spd

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Re: Monza GT Go-Kart
Posted by: isucorvair ()
Date: March 11, 2010 06:35AM

I'll send it from home tonight.

One of the 2 "prototype" kart bodies sold on eBay last year (listed as a Corvette, of course), for about $250.00. It was too far from me - east coast, I believe. Windsheld was missing, as were the emblems, but it had the higher seat back, and "vents" below the windshield area. The Kart was long gone, per the listing.

It appeared in tough shape.

Eric P.
DeWitt, IA

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Re: Monza GT Go-Kart
Posted by: SSpeed66 ()
Date: March 11, 2010 02:55PM

They are THE COOLEST Go Carts EVER !!!thumbs upcool smiley

Al Macaulay - Okanagan Valley, BC
Western Canada Corsa

Link to my Corsa build- [corvaircenter.com]
Link to my Cobra boat Project- [www.sidewinder-boats.com]

66 Corsa 140 HT - 402BBC/Turbo 425, 66 CDN Corsa 'Vert 140, 79 Cobra 16SS/Merc 1500, 69 Triumph Trident Chopper, 67 BSA Lightning Custom
Cobra Custom Metal Design/ God Bless Canada

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Re: Monza GT Go-Kart
Posted by: classic1 ()
Date: March 12, 2010 08:28AM

Do you have a tel#, website address or other contact info for Robron,inc.. Thanks.

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Re: Monza GT Go-Kart
Posted by: isucorvair ()
Date: March 12, 2010 01:08PM

Posted above - top of this page.


Eric

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Re: Monza GT Go-Kart
Posted by: avanti ()
Date: October 20, 2011 09:57PM

And you saved images from the auction, which you can post here, correct? I would be very interested to see if it is the Mitchell or Jordan car.

isucorvair Wrote:
-------------------------------------------------------
>
> One of the 2 "prototype" kart bodies sold on eBay
> last year (listed as a Corvette, of course), for
> about $250.00. It was too far from me - east
> coast, I believe. Windsheld was missing, as were
> the emblems, but it had the higher seat back, and
> "vents" below the windshield area. The Kart was
> long gone, per the listing.
>
> It appeared in tough shape.
>
> Eric P.
> DeWitt, IA

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Re: Monza GT Go-Kart
Posted by: db74105 ()
Date: May 13, 2012 06:23PM

I have one of these. I got it as a child. My gocart doesn't have the windshield though. Do these have any value? I tried to give it to my nephew when he was a kid, but he wanted a new one!

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Re: Monza GT Go-Kart
Posted by: MattNall ()
Date: May 13, 2012 06:27PM

Welcome to the CCF! Start a new topic and intro yourself!

Sure they do.. better than most Vairs!! $500 [project] to $3500 [ showpiece]


I don't believe they ever had a windshield..


Post a pic! [ attach a file]





MODERATOR
Sea Mountain, between Charleston Harbor and Coos Bay! SW Oregon Coast
Click HERE for My Website...Click HERE for My TechPages!
..............................110-PG.................................................Webered-Turbo

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Re: Monza GT Go-Kart
Posted by: Ratt643 ()
Date: May 13, 2012 06:27PM

Pic of Dan Gianatti's GT!


1964 Monza Coupe

Maryville, TN
U.S. 129 The"Tail Of The Dragon"

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Re: Monza GT Go-Kart
Posted by: WhenIm64 ()
Date: May 13, 2012 07:43PM

Monza Jr and Chevy Jr karts are invited to the 2012 Convention in Sturbridge, where they can participate in a "Junior Gymkhana."

Find out more here:

[corsa2012.blogspot.com]

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Re: Monza GT Go-Kart
Posted by: isucorvair ()
Date: May 13, 2012 07:55PM

There were 2 with windshields - 1 for Bill Mitchell's kid (prototype #1), and one for Chuck Jordan's son(?).

If you have one of those 2 - they are worth significantly more.

There are 2 styles of "Jr's".

Style 1: Early - has a high back seat, like the ones with windshields, above
Style 2: Monza Jr - lower back seat, rasied "Monza Cross" area molded into hood - see my pic of the ice covered one above.
Style 3; most common, Chevy Jr. No monza Cross area, lower back seat, like the Monza Jr.


Eric P.
DeWitt, IA

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Re: Monza GT Go-Kart
Posted by: solo2r ()
Date: May 13, 2012 10:49PM

Any interest in these tickets? Make me an offer!

solo2r@socal.rr.com

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