Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: mopar dave]
#2608943
01/19/19 12:44 PM
01/19/19 12:44 PM
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Joined: Oct 2009
Posts: 248 near St Petersburg, FL
Lifsgrt
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enthusiast
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OP
enthusiast
Joined: Oct 2009
Posts: 248
near St Petersburg, FL
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Hey Dave, does the program show the same numbers if you change the rpm to 8000 or 8500? Might need to turn the pump faster to make hp. Thanks
B3 1969 Charger R/T SE, 440/727 with 3:91s running 11.07@120
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: Lifsgrt]
#2609232
01/20/19 05:28 AM
01/20/19 05:28 AM
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Joined: Oct 2009
Posts: 248 near St Petersburg, FL
Lifsgrt
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enthusiast
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OP
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Joined: Oct 2009
Posts: 248
near St Petersburg, FL
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Hey guys,thanks for all the feedback, I really appreciate it. I've decided to go with a two-step 2 1/4" to 2 3/8" with a 4" collector. The AlterKtion (to get rid of torsion bars and free space for the dry sump pump) should arrive next week, so I can get going on the headers. I hope to get the headers and dry sump together and stop by Best Machine on the way home to hear this beast sing! Then we'll know what it makes! Today is day 17 of the build, I've replaced inner and outer rockers, trans crossmember, and all four frame rails so far. Floor is obviously still out, and I got one wheelhouse out today with fresh one mocked in place. Finally getting something done on it! Thanks again!
B3 1969 Charger R/T SE, 440/727 with 3:91s running 11.07@120
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: Lifsgrt]
#2609233
01/20/19 05:31 AM
01/20/19 05:31 AM
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Joined: Aug 2003
Posts: 43,308 Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,308
Bend,OR USA
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What car year and body style are you going to run on the salt flats?
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: Lifsgrt]
#2609464
01/20/19 07:11 PM
01/20/19 07:11 PM
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Joined: Jan 2007
Posts: 8,043 Mt Morris Michigan
mopar dave
master
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master
Joined: Jan 2007
Posts: 8,043
Mt Morris Michigan
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OK, using 8500rpm target with same 111.24 VE/394 flow gets you 2.236-2.361 tube size 25.2-28.2 length. Collector length 13.8 or 6.9. Collector Dia 4.204-4.704 AVG HP 1156/769 TQ, HP/CI 2.321
Last edited by mopar dave; 01/21/19 02:19 AM.
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: Cab_Burge]
#2609748
01/21/19 04:55 AM
01/21/19 04:55 AM
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Joined: Oct 2009
Posts: 248 near St Petersburg, FL
Lifsgrt
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OP
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Joined: Oct 2009
Posts: 248
near St Petersburg, FL
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Hey Cab, I'm planning to make Speed Week in August, touch base with me before to confirm. Definitely something a car guy should do before he pops the 'chute!
B3 1969 Charger R/T SE, 440/727 with 3:91s running 11.07@120
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: mopar dave]
#2609750
01/21/19 04:59 AM
01/21/19 04:59 AM
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Joined: Oct 2009
Posts: 248 near St Petersburg, FL
Lifsgrt
OP
enthusiast
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OP
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Joined: Oct 2009
Posts: 248
near St Petersburg, FL
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Hey Dave, can you hang that 8500rpm data or send it to me? I would like to se ethe rest of the numbers. It looked like you were describing a two step header, thanks.
B3 1969 Charger R/T SE, 440/727 with 3:91s running 11.07@120
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: 440GTX]
#2609751
01/21/19 05:00 AM
01/21/19 05:00 AM
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Joined: Oct 2009
Posts: 248 near St Petersburg, FL
Lifsgrt
OP
enthusiast
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OP
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Posts: 248
near St Petersburg, FL
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440GTX, what power and torque is that monster making?
B3 1969 Charger R/T SE, 440/727 with 3:91s running 11.07@120
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: Lifsgrt]
#2609868
01/21/19 02:15 PM
01/21/19 02:15 PM
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Joined: Sep 2009
Posts: 213 poughquag, NY
440GTX
enthusiast
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enthusiast
Joined: Sep 2009
Posts: 213
poughquag, NY
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440GTX, what power and torque is that monster making? 1240 hp and 920 ft pounds of torque
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: 440GTX]
#2609935
01/21/19 04:20 PM
01/21/19 04:20 PM
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Joined: Aug 2003
Posts: 4,699 On the parachute mount
n20mstr
master
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master
Joined: Aug 2003
Posts: 4,699
On the parachute mount
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440GTX, what power and torque is that monster making? 1240 hp and 920 ft pounds of torque SHOW OFF!! I was going to respond to this, but im not LOL
Last edited by n20mstr; 01/21/19 04:25 PM.
....BAD A$$ STREET CAR.....
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: Cab_Burge]
#2610177
01/21/19 11:55 PM
01/21/19 11:55 PM
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Joined: Oct 2009
Posts: 248 near St Petersburg, FL
Lifsgrt
OP
enthusiast
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OP
enthusiast
Joined: Oct 2009
Posts: 248
near St Petersburg, FL
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Hey Cab, building a 1969 Daytona clone for the task. I'm in Buckley, WA, come on up and have a look!
B3 1969 Charger R/T SE, 440/727 with 3:91s running 11.07@120
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Re: Headers for my 499" B1MC headed Bonneville bullet
[Re: 440GTX]
#2610180
01/21/19 11:57 PM
01/21/19 11:57 PM
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Joined: Oct 2009
Posts: 248 near St Petersburg, FL
Lifsgrt
OP
enthusiast
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OP
enthusiast
Joined: Oct 2009
Posts: 248
near St Petersburg, FL
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That's certainly stout 440GTX, thanks. How did you determine what type merge collector to go with, or did you just pick what you wanted? Do you have comparison with non-merge collectors by chance?
B3 1969 Charger R/T SE, 440/727 with 3:91s running 11.07@120
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