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Re: 572-13 heads, some good news! Guess potential hp.
[Re: gregsdart]
#3060604
07/19/22 03:39 PM
07/19/22 03:39 PM
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Joined: Oct 2015
Posts: 570
UK
rb446
mopar
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mopar
Joined: Oct 2015
Posts: 570
UK
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Yeah I keep forgetting about the DA for you guys, we rarely have anything over 2000, normally between 1100-1800 on a hot one, 700-900's is quite common...as you would say mineshaft.
1969 'Cuda 446ci, best 9.96@133.9 in 1990
1971 340 'Cuda, best 11.01@122.8 in 1987
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Re: 572-13 heads, some good news! Guess potential hp.
[Re: rb446]
#3060623
07/19/22 04:41 PM
07/19/22 04:41 PM
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Joined: Jan 2003
Posts: 2,915
A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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Yeah I keep forgetting about the DA for you guys, we rarely have anything over 2000, normally between 1100-1800 on a hot one, 700-900's is quite common...as you would say mineshaft. I've seen it over 3000 on quite a few occasions over the years, BUT it depends on whose weather station you are using. Ive never seen two the same, it's sometimes a running joke in the lanes prior to the first round  . I've also seen negative figures early on a morning too.
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: 572-13 heads, some good news! Guess potential hp.
[Re: rb446]
#3060645
07/19/22 05:49 PM
07/19/22 05:49 PM
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Joined: Jan 2003
Posts: 11,710
Portage,michigan
B3422W5
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 11,710
Portage,michigan
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Yeah I keep forgetting about the DA for you guys, we rarely have anything over 2000, normally between 1100-1800 on a hot one, 700-900's is quite common...as you would say mineshaft. Where do you race Greg?
69 Dart GTS A4 Silver All steel, flat factory hood, 3360race weight
418 BPE factory replacement headed stroker, 565 lift solid cam
Best so far, 10.40 @127 1/4
1.41 best 60 foot
6.60 at 103.90 1/8
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Re: 572-13 heads, some good news! Guess potential hp.
[Re: B3422W5]
#3060710
07/19/22 09:13 PM
07/19/22 09:13 PM
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Joined: Jan 2003
Posts: 9,986
Frostbitefalls MN (Rocky&Bullw...
gregsdart
OP
master
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OP
master
Joined: Jan 2003
Posts: 9,986
Frostbitefalls MN (Rocky&Bullw...
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Yeah I keep forgetting about the DA for you guys, we rarely have anything over 2000, normally between 1100-1800 on a hot one, 700-900's is quite common...as you would say mineshaft. Where do you race Greg? Brainerd intl in Minnesota. Elevation i believe is 1300 ft. BIR is a multi use facility with the dragstrip being a part of a long road course straightaway. Very safe, loooong shutdown, great prep and safety crew.
8..603 156 mph best, 2905 lbs 549, indy 572-13, alky
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Re: 572-13 heads, some good news! Guess potential hp.
[Re: rb446]
#3060797
07/20/22 06:26 AM
07/20/22 06:26 AM
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Joined: Jan 2003
Posts: 10,021
MN
JERICOGTX
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 10,021
MN
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Yeah I keep forgetting about the DA for you guys, we rarely have anything over 2000, normally between 1100-1800 on a hot one, 700-900's is quite common...as you would say mineshaft. 2000 would be an extremely good day for us. During the summer, humidity is a killer. Water in Minnesota is everywhere, including the air.
69 GTX
68 Road Runner
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Re: 572-13 heads, some good news! Guess potential hp.
[Re: JERICOGTX]
#3060832
07/20/22 09:20 AM
07/20/22 09:20 AM
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Joined: Oct 2015
Posts: 570
UK
rb446
mopar
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mopar
Joined: Oct 2015
Posts: 570
UK
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![[Linked Image]](https://i.ibb.co/9tTrJzc/DSCI4589.jpg) as of 5mins ago, how accurate is another question?...SPR is 341ft above sea. You can use this for any track, anywhere but you brkt guys prob already know this and use an ET predictor station.
Last edited by rb446; 07/20/22 09:51 AM.
1969 'Cuda 446ci, best 9.96@133.9 in 1990
1971 340 'Cuda, best 11.01@122.8 in 1987
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Re: 572-13 heads, some good news! Guess potential hp.
[Re: rb446]
#3060919
07/20/22 12:18 PM
07/20/22 12:18 PM
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Joined: Jan 2003
Posts: 2,915
A shed in England
Tig
master
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master
Joined: Jan 2003
Posts: 2,915
A shed in England
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as of 5mins ago, how accurate is another question?...SPR is 341ft above sea. You can use this for any track, anywhere but you brkt guys prob already know this and use an ET predictor station. Yeah we use an old TAG weather station, had it for years. Trouble is we never listen to it ( it can be uncannily accurate  ) and if you modify the motor or drive train it obviously throws your previous data out of skew  . Apologies to the O/P for the hijack here.
'74 Challenger..9.46 @ 145.9 1/4, 6.001 @ 118 1/8 so far. 4023lb !!! # N/A, Marsh performance 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, mufflers, 3:73's and real 10.5 radials.
9.51 @ 142.4 1/4, 6.003 @ 114 1/8 with our old mule KB, 572-13, 580 wedge.
RHD '68 Barracuda Fastback 323ci street/strip. Best ET 13.88 @ 99.03
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Re: 572-13 heads, some good news! Guess potential hp.
[Re: Tig]
#3060927
07/20/22 12:41 PM
07/20/22 12:41 PM
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Joined: Jan 2003
Posts: 19,361
Las Vegas
Al_Alguire
I Live Here
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I Live Here
Joined: Jan 2003
Posts: 19,361
Las Vegas
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Well 3000' DA would be MINESHAFT around here  Hell we do backfips is the barometer ever get to 28.0. For giggles I just looked and at 9am we are closing in on 5500' and that baro is a whopping 27.8  As for the engine inquestion you already know my thoughts.
"I am not ashamed to confess I am ignorant of what I do not know."
"It's never wrong to do the right thing"
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