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572 twin turbo build?
#1650196
07/23/14 10:38 PM
07/23/14 10:38 PM
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Joined: Jan 2005
Posts: 656
griff70440
OP
mopar
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OP
mopar
Joined: Jan 2005
Posts: 656
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hello , I`m picking up my first 572 cubic inch motor at the nats this year.  Its a used motor. I`m going to take it to my motor guy and go through it. the plan is to add some turbos to it. LOL Is anyone running this type of set up? if so what are your motor specs? compression ,cam , ect... is it true that for every 15 psi of boost your compression go's up 1 point? thanks, Mike
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Re: 572 twin turbo build?
[Re: griff70440]
#1650198
07/24/14 01:39 PM
07/24/14 01:39 PM
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Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
Challenger 1
Too Many Posts
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Too Many Posts
Joined: Feb 2005
Posts: 28,312
Cincinnati, Ohio
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Quote:
hello ,
I`m picking up my first 572 cubic inch motor at the nats this year.
Its a used motor. I`m going to take it to my motor guy and go through it. the plan is to add some turbos to it. LOL
Is anyone running this type of set up?
if so what are your motor specs? compression ,cam , ect...
is it true that for every 15 psi of boost your compression go's up 1
point?
thanks,
Mike
Why turbo such a big motor? That makes no sense to me. 
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Re: 572 twin turbo build?
[Re: griff70440]
#1650199
07/24/14 01:49 PM
07/24/14 01:49 PM
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Joined: Feb 2003
Posts: 4,953
Houston, Texas
TheOtherDodge
master
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master
Joined: Feb 2003
Posts: 4,953
Houston, Texas
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Based on your questions, and not to be mean, but you need to do a lot of research and get educated on turbo setups.
First and most importantly, what are your goals? Once we know that, we can suggest, cubic inch, heads, cam, compression, internal engine parts, turbo sizing, etc.
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Re: 572 twin turbo build?
[Re: griff70440]
#1650201
07/24/14 04:56 PM
07/24/14 04:56 PM
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Joined: Aug 2003
Posts: 43,127
Bend,OR USA
Cab_Burge
I Win
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I Win
Joined: Aug 2003
Posts: 43,127
Bend,OR USA
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Quote:
hello ,
I`m picking up my first 572 cubic inch motor at the nats this year.
Its a used motor. I`m going to take it to my motor guy and go through it. the plan is to add some turbos to it. LOL
Is anyone running this type of set up?
if so what are your motor specs? compression ,cam , ect...
is it true that for every 15 psi of boost your compression go's up 1
point?
thanks,
Mike
A twin turbo intercooled 572 C.I. pump gas wedge motor can make north of 2000 HP+   How much HP can your car handle  I hope your new used motor is in good shape, maybe needing a freshen only   How fast(actually) have you been in a car Be careful, first and formost 
Mr.Cab Racing and winning with Mopars since 1964. (Old F--t, Huh)
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Re: 572 twin turbo build?
[Re: griff70440]
#1650204
07/25/14 12:50 PM
07/25/14 12:50 PM
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Joined: Sep 2003
Posts: 2,008
Sweet Home Alabama
MRMOPAR622
top fuel
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top fuel
Joined: Sep 2003
Posts: 2,008
Sweet Home Alabama
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If you are getting a good deal on the engine & turbo's then by all means build it.With the twin turbos I would run a tunnel ram,do it while you have the chance because you may never find another good deal to do it in the future. You can start off running it mild & as you upgrade your car you can keep adding Boost to it. PS if nothing else do it for the WOW factor!
"To Be The Man'You Have Got To Beat The Man"
"T/D and Pro-Bracket Racer"
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Re: 572 twin turbo build?
[Re: Challenger 1]
#1650205
07/25/14 12:55 PM
07/25/14 12:55 PM
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Joined: Feb 2004
Posts: 34,880
S.E. South Dakota !
bigdad
Still Posting A Lot
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Still Posting A Lot
Joined: Feb 2004
Posts: 34,880
S.E. South Dakota !
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Locally , there is a twin turbo 69 Dart ragtop for sale , with a nice Indy headed big block
22,500 turn key
The lips of fools bring them strife, and their mouths invite a beating.Proverbs 18:6
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Re: 572 twin turbo build?
[Re: TheOtherDodge]
#1650207
07/25/14 08:18 PM
07/25/14 08:18 PM
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Joined: Oct 2006
Posts: 200
AB
Efidart
enthusiast
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enthusiast
Joined: Oct 2006
Posts: 200
AB
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Been running a turbo'd 572 for years in my street car. Don't need much boost to go fast and you don't wreck parts since your not running on the ragged edge.
What heads/compression etc does this 572 have?
I can give you some direction if your thinking of doing it. 7's aren't too hard to get at 3500lbs on pump gas.
Switching to bigger heads and twins now but you can do some amazing things on nothing special for parts.
TT Predator headed 572 7 Second Street Car.
Fastest Mopar Drag Week 2015
Fastest Mopar & Dodge Drag Week 2017
Pro Street Power Adder Champion Drag Week 2017
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Re: 572 twin turbo build?
[Re: griff70440]
#1650211
07/27/14 06:24 PM
07/27/14 06:24 PM
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Joined: Jan 2003
Posts: 6,591
Canton, Ohio
Sport440
master
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master
Joined: Jan 2003
Posts: 6,591
Canton, Ohio
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Quote:
thanks guys. I will keep you posted.
The heads are 572-13 and the compression 14-1
I`m thinking I`ll have to lower the compression
to 11-1 or 12-1.
What do you guys think?
Much lower then that, for what your trying to do. More like 8.5 to 9.5 max.
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Re: 572 twin turbo build?
[Re: Sport440]
#1650212
07/27/14 09:43 PM
07/27/14 09:43 PM
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Joined: Sep 2003
Posts: 2,008
Sweet Home Alabama
MRMOPAR622
top fuel
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top fuel
Joined: Sep 2003
Posts: 2,008
Sweet Home Alabama
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On my Super-Charged engine(which makes over a 1,000 Streetable RWH) my CR is 10.7-1 and I'm almost positive on the Turbo engines they stay at 10.7-1 also.I would talk with what they now call Tuners that work on the Super-Charged & Turbo engines.The Turbo & Super-Charged engines have come a long way in the last few years.
"To Be The Man'You Have Got To Beat The Man"
"T/D and Pro-Bracket Racer"
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Re: 572 twin turbo build?
[Re: MRMOPAR622]
#1650213
07/28/14 05:36 PM
07/28/14 05:36 PM
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Joined: Oct 2006
Posts: 200
AB
Efidart
enthusiast
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enthusiast
Joined: Oct 2006
Posts: 200
AB
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Mid high 9's for comp if your sticking to a pump gas type engine and 50+cc dish, 9.7:1 here.
Made 1550RWHP on 17 LBS with edelbrock Victor 440's. Since you have bigger heads you could be 1500rwhp on 13-14 lbs on pump gas with A/W intercooler.
TT Predator headed 572 7 Second Street Car.
Fastest Mopar Drag Week 2015
Fastest Mopar & Dodge Drag Week 2017
Pro Street Power Adder Champion Drag Week 2017
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Re: 572 twin turbo build?
[Re: MRMOPAR622]
#1650214
07/28/14 05:45 PM
07/28/14 05:45 PM
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Joined: Feb 2003
Posts: 4,953
Houston, Texas
TheOtherDodge
master
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master
Joined: Feb 2003
Posts: 4,953
Houston, Texas
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Quote:
On my Super-Charged engine(which makes over a 1,000 Streetable RWH) my CR is 10.7-1 and I'm almost positive on the Turbo engines they stay at 10.7-1 also.I would talk with what they now call Tuners that work on the Super-Charged & Turbo engines.The Turbo & Super-Charged engines have come a long way in the last few years.
I can safely comment that turbo apps making 1,000 rwhp on pump 91-93 gas are not using 10.7:1 compression ratio unless they are adding meth or something like that.
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Re: 572 twin turbo build?
[Re: TheOtherDodge]
#1650215
07/28/14 07:06 PM
07/28/14 07:06 PM
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Joined: Jan 2003
Posts: 6,591
Canton, Ohio
Sport440
master
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master
Joined: Jan 2003
Posts: 6,591
Canton, Ohio
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Quote:
Quote:
On my Super-Charged engine(which makes over a 1,000 Streetable RWH) my CR is 10.7-1 and I'm almost positive on the Turbo engines they stay at 10.7-1 also.I would talk with what they now call Tuners that work on the Super-Charged & Turbo engines.The Turbo & Super-Charged engines have come a long way in the last few years.
I can safely comment that turbo apps making 1,000 rwhp on pump 91-93 gas are not using 10.7:1 compression ratio unless they are adding meth or something like that.
 Also, the OP, must decide what fuel he will want to run, to finalize compression, or be prepared to adjust things otherwise, like stated above.
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