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05-20-2013, 07:23 PM
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#1 |
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Member
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Location: Wasthere,England
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Specs for the 2013 COPO
engines--will be posted this week-350/350--396/375--427/425-@nhra
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05-20-2013, 07:27 PM
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#2 |
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Senior Member
Join Date: Nov 2003
Location: Donaldsonville, LA
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Re: Specs for the 2013 COPO
I'm thinking the 396/375 will be the best combo, but of course any of them should be way fast!
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Jimmy "Cooter" Hidalgo, Jr. 4865 E/SA '04 GTO 4865 SS/GA '99 Firebird |
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05-21-2013, 09:03 AM
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#3 |
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Senior Member
Join Date: Dec 2002
Location: Lincoln, Nebraska
Posts: 785
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Re: Specs for the 2013 COPO
Have the superchargers gone away?...if so, why. There were a few comments on radiator problems and other issues, yet racing owners seem to be very satisfied....just curious
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05-21-2013, 04:30 PM
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#4 | |
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Senior Member
Join Date: Jun 2006
Posts: 541
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Re: Specs for the 2013 COPO
Quote:
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05-21-2013, 10:35 PM
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#5 |
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Junior Member
Join Date: Sep 2012
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Re: Specs for the 2013 COPO
The problem is the factory computer is difficult to tune the supercharged cars. Most of the R&D is with the fuel injection and the Holley system should be a much better package. Roger Allen and his team have been very helpful in supporting the cars. S.Bell
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05-22-2013, 10:35 AM
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#6 | |
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VIP Member
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Location: Anthem, Arizona
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Re: Specs for the 2013 COPO
Quote:
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Jeff Lee 7494 D/S '70 AMX |
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05-22-2013, 01:14 PM
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#7 |
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Junior Member
Join Date: Mar 2012
Location: Pennsylvania
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Re: Specs for the 2013 COPO
I thought the word was last fall that the head gaskets kept letting loose after a few runs. I think you would have to expect some problems on the first year run of a car like this.
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05-22-2013, 01:56 PM
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#8 |
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Member
Join Date: Nov 2007
Location: Wasthere,England
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Re: Specs for the 2013 COPO
Up and posted@NHRA
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05-22-2013, 02:00 PM
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#9 | |
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Member
Join Date: Nov 2012
Location: Denver Co
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Re: Specs for the 2013 COPO
Quote:
Now with NHRA approved 6 bolt heads= NO PROBLEMS!
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Ross Gregory 5133 Stock,Super Stock 53 Top Dragster |
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05-22-2013, 02:07 PM
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#10 |
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VIP Member
Join Date: Jan 2005
Location: Where the Green Grass Grows, AL
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Re: Specs for the 2013 COPO
14.58:1 compression and a 640 lift cam in the 425/427, WOW!!
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Chad Rhodes 2113 I/SA |
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