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History of the "Group" series


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#1 Alchemist

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Posted 22 March 2018 - 11:55 AM

I would like to inquire as to when and how the different "Group" series began please?
 
For example, I have seen: "Group 12 - Group15 - Group 20 - Group 22 - Group 27" mentioned, and recently came across Group "F".  Pardon me if I missed a few!
 
From my understanding, these groups are "Wing Car" related - please correct me if I am mistaken!
 
So, if anyone can provide some history on how these "groups" were born, and the differences between them, that would be greatly appreciated.
 
Thank you.
 
Ernie
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#2 Tim Wilkins

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Posted 22 March 2018 - 12:03 PM

Group 12 dates way back to 1969-70 whereby your car purchase could not exceed $12.  Arrow down on this article for more details on how group racing evolved.
 
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#3 Eddie Fleming

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Posted 22 March 2018 - 12:34 PM

The group identifications predate wing cars.

 

The first one I remember was Group 20 about 1969. The car could cost no more than $20. It had a spec motor and chassis. Champion sold them along with others manufacturers. That was about the time I got drafted and everything changed.


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#4 Tex

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Posted 22 March 2018 - 12:48 PM

Yeah, I remember G20 first followed by G12... 1969 sounds right; as mentioned, the number had to do with the max cost of an RTR.


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#5 Martin

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Posted 22 March 2018 - 01:24 PM

Mura (green can) NCC 20 motors. Best thing that ever happened to slots, as a young boy, 1969. Made me competitive at a reasonable cost.


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#6 B.C.

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Posted 22 March 2018 - 02:15 PM

I noticed on an epay champion of Chamblee item the other day that showed group 30 and group 40

 

other than higher cost? what were the rules for those 2 groups?


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#7 Tex

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Posted 22 March 2018 - 02:57 PM

I noticed on an epay champion of Chamblee item the other day that showed group 30 and group 40

 

other than higher cost? what were the rules for those 2 groups?

 

dunno..... never heard of 'em..... must've come along during my long hiatus from slots, 1973 - 2006


Richard L. Hofer

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#8 Jesse Gonzales

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Posted 22 March 2018 - 03:17 PM

Group 40 arms were out in the 1971-1972 era, they were wound with 26 gauge wire and were very respectable on short tracks. I still have one that was competitive as any open of the day on an Orange track, the ones with the humps down the straight that required a blip to not launch.

 

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#9 Champion 507

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Posted 22 March 2018 - 07:16 PM

I know Champion listed Group 40 in their 1977 catalog. Not sure about Group 30. Will have to dig around and find my old catalog.

 

BTW, what is the difference between a Group 20 arm and a Group 22 arm made in the early 1970's. I know what a group 20 arm is today. I want to know about what they were 45 years ago. I was out of slots 1968-1978 or 1979.


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#10 old & gray

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Posted 22 March 2018 - 08:12 PM

I know Champion listed Group 40 in their 1977 catalog. Not sure about Group 30. Will have to dig around and find my old catalog.

 

BTW, what is the difference between a Group 20 arm and a Group 22 arm made in the early 1970's. I know what a group 20 arm is today. I want to know about what they were 45 years ago. I was out of slots 1968-1978 or 1979.

 

The group 22 I had (1975?), had the same wind as my Champions and muras. The differance was the winding was done by Camen and looked like a group 7.


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#11 Bill from NH

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Posted 22 March 2018 - 08:20 PM

My Grp.22 arms were wound by Bill Steube. I have one Steube arm tagged Grp.20. I don't recall if its timing or winds differed from the Grp.22's.


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#12 MSwiss

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Posted 22 March 2018 - 08:21 PM

There's some info in this thread, including a recent post from Jim Honeycutt, where he came across a Group 40 arm;

 

http://slotblog.net/...y-lesson/page-2


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