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Re: New Hemi Builds and Swap Thread
[Re: AlexP]
#1205742
04/12/12 12:17 PM
04/12/12 12:17 PM
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Joined: May 2005
Posts: 723
Houston Tx
Uhcoog1
super stock
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super stock
Joined: May 2005
Posts: 723
Houston Tx
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Looks like a new complete engine management system will be hitting the market for us hemi swap guys. It will include a sealed box built with a MS3 board, and will come with everything needed to get the car running (cable throttle body, complete wiring harness, etc).
Alex and I will be testing some of this for the developer in the next few weeks/months- I'll update with progress as I have it.
-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course
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Re: New Hemi Builds and Swap Thread
[Re: Uhcoog1]
#1205743
04/12/12 02:41 PM
04/12/12 02:41 PM
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Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar
master
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master
Joined: Jan 2003
Posts: 3,575
The Netherlands
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I'll be stuffing a 5.7 in my '73 Dart, but will not give up powersteering! For that to happen however I need to switch over to a power rack&pinion system. A Megasquirt3 will be controlling the motor. Fuel will be LPG fed through vapour injectors. Not sure yet how the Hemi will interfere with the brakebooster. Behind the Hemi will be an A518 overdrive transmission. 
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Re: New Hemi Builds and Swap Thread
[Re: BigBlockMopar]
#1205744
04/12/12 03:12 PM
04/12/12 03:12 PM
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Joined: May 2005
Posts: 723
Houston Tx
Uhcoog1
super stock
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super stock
Joined: May 2005
Posts: 723
Houston Tx
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I will be attempting factory power steering with headers I weld.
My 73 duster brake booster does not fit. Too large of a diameter. An early a body booster fits, but finding one is the problem.
-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course
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Re: New Hemi Builds and Swap Thread
[Re: Uhcoog1]
#1205745
04/12/12 03:16 PM
04/12/12 03:16 PM
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Joined: Jan 2003
Posts: 3,575
The Netherlands
BigBlockMopar
master
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master
Joined: Jan 2003
Posts: 3,575
The Netherlands
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To be honest, your pics on your website made me decide I had to go with a R&P steering. I could have a go at welding my own headers as I've done that before, but the room available just seems to tight to make a nice radiused bend. But please, prove that wrong, so I don't have to go through the trouble of installing a R&P aswell for this #$%@!# Hemi... 
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Re: New Hemi Builds and Swap Thread
[Re: BigBlockMopar]
#1205746
04/12/12 03:45 PM
04/12/12 03:45 PM
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Joined: Oct 2003
Posts: 387
Almont, MI.
gdemon
enthusiast
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enthusiast
Joined: Oct 2003
Posts: 387
Almont, MI.
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You just need a 72 and older booster.
69 Barracuda
70 Cuda
70 Cuda
70 Cuda Conv.
70 T/A Challenger
70 Sport Fury GT
71 Demon 5.7 Hemi
72 Demon
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Re: New Hemi Builds and Swap Thread
[Re: BigBlockMopar]
#1205748
04/12/12 04:24 PM
04/12/12 04:24 PM
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Joined: Oct 2003
Posts: 387
Almont, MI.
gdemon
enthusiast
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enthusiast
Joined: Oct 2003
Posts: 387
Almont, MI.
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That booster is bigger in Dia.
69 Barracuda
70 Cuda
70 Cuda
70 Cuda Conv.
70 T/A Challenger
70 Sport Fury GT
71 Demon 5.7 Hemi
72 Demon
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Re: New Hemi Builds and Swap Thread
[Re: BigBlockMopar]
#1205750
04/12/12 04:59 PM
04/12/12 04:59 PM
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Joined: May 2005
Posts: 723
Houston Tx
Uhcoog1
super stock
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super stock
Joined: May 2005
Posts: 723
Houston Tx
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I *think* that's a smaller booster diameter than I have.
As far as the headers go- #3 is the problem. #1 and #5 will be tight, but the turns should be fine. I may just have a poor flowing #3... We'll see.
How tight is too tight of a radius for headers? Does anyone know? For 1.75" tubing.
-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course
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Re: New Hemi Builds and Swap Thread
[Re: Irun5snd8th]
#1205753
04/13/12 08:24 AM
04/13/12 08:24 AM
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Joined: Apr 2007
Posts: 2,826
NY usa
540challenger
master
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master
Joined: Apr 2007
Posts: 2,826
NY usa
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Quote:
Quote:
I would run the 09 Eagle 5.7 in place of a 6.1 head any day of the week on an N/A build.
What is the reasoning behind this statement? And I am asking just because I dont know the differences between the two.
The only reason that i know of is the smaller closed chamber. The 6.1 is a larger chamber however it does flow more and you can make more power with it. However the 6.1 stuff is harder to find and cost more IMO the Apache head is the hot ticket
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Re: New Hemi Builds and Swap Thread
[Re: Sherminator]
#1205756
04/15/12 03:41 AM
04/15/12 03:41 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 wish someone would design headers or at least attempt to build around a passenger side starter setup to allow us A-body guys to maybe use power steering without springing for an Alter K or equivelant. I also think it might allow a person to use some SRT-8 manifolds from a Jeep or Challenger? Just curious if its been considered and/or already ruled out as effective.
Mopar to the bone!!!
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Re: New Hemi Builds and Swap Thread
[Re: 72Swinger]
#1205760
04/15/12 12:51 PM
04/15/12 12:51 PM
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Joined: May 2005
Posts: 723
Houston Tx
Uhcoog1
super stock
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super stock
Joined: May 2005
Posts: 723
Houston Tx
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I don't have the k member and motor out of the car currently, so measurements may be difficult. 2" less is prob a good estimate. I know the jeep grand Cherokee manifolds fit with the manual steering box, though.
-'02 Dodge Viper Ex-World Challenge racecar
-'73 Duster, 6.1 based 392 hilborn hemi, tko600, full floater rear 9", Hellwig custom bars, viper brakes, built for road course
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