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01-25-2017, 10:23 PM
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#1 |
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VIP Member
Join Date: Dec 2001
Location: Arkansas - In the middle of everything.
Posts: 2,002
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Re: More NHRA horsepower factors
The Pontiac move is misrepresented. That engine is a Chevy 350 that in most applications, Chevy, Oldsmobile and Pontiac, is 287 in Stock eliminator with auto. In fact, the previous Class Guide for 1978 Pontiac has the power rating at 287 for the Firebird, not 269 as stated on NHRAracer. The 1978 Corvette, Camaro and Nova has the rating at 283 (even though the Corvette and Camaro engines were OEM rated at 175, it's the same engine), and it appears that the new Firebird rating is to put it line with those. Maybe because it is an F-body like the Camaro? Then why not adjust all the other 1978 X-body cars - Omega, Phoenix and Skylark - to be 283 like the 1978 Nova? And what about the G-body and B-body cars that use the same engines? Another baffling assignment.
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01-25-2017, 10:45 PM
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#2 |
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VIP Member
Join Date: May 2006
Location: Louisville , KY
Posts: 1,995
Likes: 69
Liked 279 Times in 68 Posts
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Re: More NHRA horsepower factors
I know someone with a 78 Firebird that was building a 350 Chevy motor based on the 269 rating!
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Greg Hill 4171 STK |
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01-25-2017, 11:16 PM
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#3 |
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Senior Member
Join Date: Jul 2014
Posts: 572
Likes: 39
Liked 53 Times in 38 Posts
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Re: More NHRA horsepower factors
Yea, my 70 Duster went down, maybe I'm am building at the right time.
30 pounds lighter I guess |
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01-26-2017, 12:53 PM
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#4 | |
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Senior Member
Join Date: Jun 2003
Location: Las Vegas nv
Posts: 600
Likes: 18
Liked 66 Times in 37 Posts
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Re: More NHRA horsepower factors
Quote:
 but will need a few reductions.
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72 cutlass |
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01-26-2017, 01:45 PM
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#5 |
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Senior Member
Join Date: May 2004
Posts: 801
Likes: 1
Liked 10 Times in 6 Posts
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Re: More NHRA horsepower factors
1978 & 1978 Malibu Wagon with 350 got Hp. 2 times, once with Camaro & Corvette & the second time with the Camaro & the Corvette did not get Hp. I look up 350 Malibu Wagon in Nitro`s stats, in the last 10 years, The fast run I could find was 6 tens under the old index.
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Tom Moock 5704 STK |
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01-26-2017, 02:50 PM
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#6 |
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Junior Member
Join Date: Aug 2004
Location: Sherwood Park, Alberta
Posts: 99
Likes: 19
Liked 6 Times in 2 Posts
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Re: More NHRA horsepower factors
Just curious but who might be running the 327 2bbl in GT that got adjusted
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Mike Semeniuk 632 GTMA |
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01-26-2017, 07:21 PM
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#7 |
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Senior Member
Join Date: May 2004
Posts: 801
Likes: 1
Liked 10 Times in 6 Posts
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Re: More NHRA horsepower factors
Mike, Greg Tucker 4496 GT/LA 97 Camaro, Noble,Ok. ran .327 under.
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Tom Moock 5704 STK |
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01-26-2017, 07:36 PM
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#8 |
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Senior Member
Join Date: Mar 2002
Location: Sulphur Springs Texas
Posts: 743
Likes: 148
Liked 166 Times in 46 Posts
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Re: More NHRA horsepower factors
I think they need to hit the 1969 iron head 396-375 Chevy engine again. Its only @ 412 and everybody knows it was originally rated @ 425 in 1965.
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01-29-2017, 12:31 AM
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#9 |
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Banned
Join Date: Dec 2001
Posts: 147
Likes: 0
Liked 5 Times in 3 Posts
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Re: More NHRA horsepower factors
What makes the least sense about that 1978 firebird 350 combo is that it has the same specs as a 1977 camaro 350 that's only rated at 269 but the firebird is 283 and was originally moved to 269 but now back to 283. Anyone have an explanation for that? I thought all vehicles of the same platform with the same engines were rated the same. All other camaro/firebird combos are factored the same whether in a camaro or firebird throughout the entire guide. Uncle Jeff what's the scoop? I know you know...lol
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