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20 Nov 2008, 03:04 (Ref:2338105)
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Rookie
Join Date: Feb 2007
Posts: 28
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1975 Group 7
Can anyone tell me how many different engine displacement classes FIA Group 7 include in 1975 (and before 1975)? According to what I've read, group 7 (prior to the inception of group 6 in 1976) was a libre class which included engine displacements of all sizes. Is this correct?
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20 Nov 2008, 10:12 (Ref:2338212)
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#2 | ||
 Race OfficialVeteran
Join Date: Oct 2003
Posts: 15,743
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Crikey, now there's a question, or 3!!
I'm sure some of our fellow members can help (bit before my time unfortunately!!) |
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__________________
"Double Kidney Guv'nah?" "No thanks George they're still wavin a white flag!"
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20 Nov 2008, 12:00 (Ref:2338268)
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#3 | ||
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Veteran
Join Date: Dec 2004
Posts: 2,493
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In the 1975 FIA Year Book for Group 7 Two-seater Racing Cars it lists the following capacity classes:
Up to 850cc; 851 to 1150cc; 1151 to 1300cc; 1301 to 1600cc; 1600cc to 2000cc; 2001 to 3000cc; 3001 to 5000cc and Over 5000cc. In the 1976 FIA Year Book for Group 6 Two-seater Racing Cars it lists NINE diferent capacity classes (Up to 1000cc, 1001 to 1300cc, 1301 to 1600cc, 1601 to 2000cc, 2001 to 3000cc, 3001 to 4000cc, 4001 to 5000cc, 5001 to 6000cc and Over 6000cc). Groups 7 & 8 are listed as a Single Seater classes. 
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20 Nov 2008, 14:56 (Ref:2338341)
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#4 | |
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Rookie
Join Date: Feb 2007
Posts: 28
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More than I imagined that's for sure! Many thanks for the great information.
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20 Nov 2008, 15:24 (Ref:2338352)
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#5 | |
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Rookie
Join Date: Feb 2007
Posts: 28
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Would it be safe to assume then that all these cars with their various engine displacements raced together at the same time? Or did they break out the larger displacement cars into feature races? If so where did the split occur?
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20 Nov 2008, 16:00 (Ref:2338371)
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The Honourable Mallett
20KPINAL
Join Date: Feb 1999
Posts: 37,333
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Would Group 7 be the basis of Can Am?
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__________________
I've decided to stop reaching out to people. I'm just going to contact them instead.
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20 Nov 2008, 16:07 (Ref:2338374)
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#7 | |
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Rookie
Join Date: Feb 2007
Posts: 28
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I'm told that Can-Am was the North American version of FIA Group 7.
Would it be safe to assume then that all these cars with their various engine displacements raced together at the same time? Or did they break out the larger displacement cars into feature races? If so where did the split occur? |
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20 Nov 2008, 18:07 (Ref:2338430)
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Veteran
Join Date: Dec 2004
Posts: 2,493
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Quote:
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22 Nov 2008, 05:56 (Ref:2339327)
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#9 | ||
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Veteran
Join Date: Sep 2003
Posts: 2,351
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The actual Can-Am, as opposed to the USRRC, had one class with a minimum of 2,000 cc.
The United States Road Racing Champioship, at least for a time, had over and under two liter classes. |
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24 Nov 2008, 17:39 (Ref:2340905)
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OldRacingCars.com
Veteran
Join Date: Dec 1999
Posts: 3,942
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The 1977-1986 Can-Am had two classes, one up to 2 litres and the other up to 5 litres.
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