Re: What does a 426 Drag Pak motor dyno at?
[Re: hudsonhornet7x]
#2306149
05/17/17 04:19 PM
05/17/17 04:19 PM
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Joined: Jun 2003
Posts: 9,225
Charleston
sixpackgut
Drag Week Mod Champion
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Drag Week Mod Champion
Joined: Jun 2003
Posts: 9,225
Charleston
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Is this something you can find out from nhra. Dont the weight breaks go something like 6.5lbs per hp in factory stock
Gen 3 power 6.22@110, 9.85@135
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performance only racing, CRT, ultimate converter, superior design concepts, ThumperCarbs
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Re: What does a 426 Drag Pak motor dyno at?
[Re: hudsonhornet7x]
#2307549
05/19/17 07:46 PM
05/19/17 07:46 PM
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Joined: Jan 2003
Posts: 6,266
Renton Washington
Triple Threat
master
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master
Joined: Jan 2003
Posts: 6,266
Renton Washington
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The Ratings from NHRA are basically useless since they are rated Horsepower, not actual dyno figures.
Best off to look at weight and MPH to determine HP with a calculator.
Stock/SS cars are extremely efficient and scienced out, so if the calculator tells you they're making 900, it might be closer to 850 in the real world.
-Dustin
67 Dart, 9 second, 392" G3 Hemi
68 Barracuda 340 F/SA
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Re: What does a 426 Drag Pak motor dyno at?
[Re: hudsonhornet7x]
#2307623
05/19/17 09:44 PM
05/19/17 09:44 PM
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Joined: Feb 2011
Posts: 4,302
Nebraska
72Swinger
master
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master
Joined: Feb 2011
Posts: 4,302
Nebraska
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I think Barton still has the FS/B record at 156mph@3400lbs iirc.
Mopar to the bone!!!
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Re: What does a 426 Drag Pak motor dyno at?
[Re: hudsonhornet7x]
#2307791
05/20/17 09:41 AM
05/20/17 09:41 AM
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Joined: Jan 2006
Posts: 1,400
Trumbauersville PA
ric3xrt
pro stock
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pro stock
Joined: Jan 2006
Posts: 1,400
Trumbauersville PA
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We supply coatings to a GM nascar builder, in a few bench racing conversations, with one of his guys who runs a COPO 427 NA is doing around 1.7 to 1.85 HP per cu in, so you figure he's making between 725-780,according to him.... , now this engine builder has told me, he figures Barton is up around 790-810
Truth has no agenda, but those with an agenda make their own truth.
Some of us are so open minded they only see their View
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Re: What does a 426 Drag Pak motor dyno at?
[Re: hudsonhornet7x]
#2308283
05/21/17 01:06 AM
05/21/17 01:06 AM
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Joined: Feb 2011
Posts: 4,302
Nebraska
72Swinger
master
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master
Joined: Feb 2011
Posts: 4,302
Nebraska
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I think they let them run a Windsor based engine. 7.0L is engine size allowed and I don't think DOHC Ford engines can get that big.
Mopar to the bone!!!
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Re: What does a 426 Drag Pak motor dyno at?
[Re: ric3xrt]
#2309670
05/23/17 11:00 AM
05/23/17 11:00 AM
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Joined: Aug 2006
Posts: 610
long time lurker, short time p...
PorkyPig
mopar
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mopar
Joined: Aug 2006
Posts: 610
long time lurker, short time p...
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We supply coatings to a GM nascar builder, in a few bench racing conversations, with one of his guys who runs a COPO 427 NA is doing around 1.7 to 1.85 HP per cu in, so you figure he's making between 725-780,according to him.... , now this engine builder has told me, he figures Barton is up around 790-810
S.A.M. Racing (School of Automotive Machinists) says a 427 LS7 COPO makes 730 to 740 HP from GM and the work they did to theirs has made 825 HP.
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