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Re: contemplating twin turbo 572 Hemi [Re: dutchrunner] #2197912
11/17/16 12:54 PM
11/17/16 12:54 PM
Joined: Oct 2007
Posts: 4,206
New York
polyspheric Offline
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polyspheric  Offline
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New York
I wouldn't want all that hot plumbing under a street car. For a single rear turbo you need 5".


Boffin Emeritus
Re: contemplating twin turbo 572 Hemi [Re: dutchrunner] #2197946
11/17/16 01:50 PM
11/17/16 01:50 PM
Joined: Oct 2012
Posts: 48
the Netherlands
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dutchrunner Offline OP
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dutchrunner  Offline OP
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the Netherlands
Blower is cool looking but always has boost.
ProCharger is easy and nice power . No boost when not wanted.
Turbo´s are big hassle to get right. Don´t want to spent MRE amount of cash for mirrored turbo set/up.

To many variations to go to.
Have a guy here in Holland who has turbo dart. He could be the one to talk to.


1969 Roadrunner Sox&Martin tribute with 572Hemi and F&B performance Six-Pack XFI2.0 injection.
Re: contemplating twin turbo 572 Hemi [Re: dutchrunner] #2197950
11/17/16 01:54 PM
11/17/16 01:54 PM
Joined: Jul 2010
Posts: 1,845
Tampa
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DusterDave Offline
top fuel
DusterDave  Offline
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Tampa
Originally Posted By dutchrunner
Blower is cool looking but always has boost.
ProCharger is easy and nice power . No boost when not wanted.
Turbo´s are big hassle to get right. Don´t want to spent MRE amount of cash for mirrored turbo set/up.

To many variations to go to.
Have a guy here in Holland who has turbo dart. He could be the one to talk to.

With a blower, there is no boost at light throttle.


Gone to the dark side with an LS3 powered '57 Chevy 210
Re: contemplating twin turbo 572 Hemi [Re: dutchrunner] #2197954
11/17/16 01:57 PM
11/17/16 01:57 PM
Joined: Jan 2003
Posts: 7,490
Minnesota
Hemi_Joel Offline
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Hemi_Joel  Offline
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Have you seen David Meyers twin turbo (in the back) 66 Hemi Belvedere? It sounds like what you want. It completed drag week, goes 9's in the quarter, 208 in the standing mile.

Twin Turbo Hemi









1966 Belvedere Twin Turbo 526 HEMI 006.jpg

[img]http://i.imgur.com/boeexFms.jpg[/img]
31 Plymouth Coupe, 392 Hemi, T56 magnum
RS23J71
RS27J77
RP23J71
RO23J71
WM21J8A
I don't regret the things I've done. I only regret the things I didn't do.
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Re: contemplating twin turbo 572 Hemi [Re: dutchrunner] #2198620
11/18/16 07:42 PM
11/18/16 07:42 PM
Joined: Oct 2012
Posts: 48
the Netherlands
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dutchrunner Offline OP
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That's the one I ment before.
But no data on internet about MM of turbo's etc.
Would be about the same I need.


1969 Roadrunner Sox&Martin tribute with 572Hemi and F&B performance Six-Pack XFI2.0 injection.
Re: contemplating twin turbo 572 Hemi [Re: dutchrunner] #2199269
11/20/16 05:23 AM
11/20/16 05:23 AM
Joined: Jan 2003
Posts: 2,932
Finalnd, Perkele
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jyrki Offline
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Finalnd, Perkele
The sizing of the turbo(s) is the most important factor. If you get that right, you have no problem meeting your goals, and like someone already noted with very small boost. Means you can use a pretty high cr, even without the boost you still have 572 cu in worth of hemi power, so you don't have to be so accurate with everything. Nice amount of plumbing is needed though...


Plynouth VIP '67 TT IC EFI
Re: contemplating twin turbo 572 Hemi [Re: dutchrunner] #2199275
11/20/16 06:46 AM
11/20/16 06:46 AM
Joined: Oct 2012
Posts: 48
the Netherlands
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dutchrunner Offline OP
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CR is now about 10/10.5:1.
Perhaps there's need to get in to the engine and have slugs with lower CR.
Thanks for all tips until now.
Keep it up.


1969 Roadrunner Sox&Martin tribute with 572Hemi and F&B performance Six-Pack XFI2.0 injection.
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