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#1264482 - 07/08/12 10:46 PM INDY 572-13 HEADS ?
steeldust Offline
mopar

Registered: 06/05/10
Posts: 463
Loc: Tennessee
Who has a good price and are good at making them make horse power over my set of 440-1s i am going to get a set a little later i would like to keep my motor the same just change the heads my 440-1s are out of the box they have no port work on them do you all think 572-13s will make 50 to 100 more HP over my 440-1s THANKS for any help .


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#1264483 - 07/08/12 10:52 PM Re: INDY 572-13 HEADS ? [Re: steeldust]
Randy.. Offline
mopar

Registered: 07/10/10
Posts: 697
Loc: Bama
if gonna make that big a change $$ wise go on up to a set of B1s

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#1264484 - 07/08/12 11:00 PM Re: INDY 572-13 HEADS ? [Re: Randy..]
steeldust Offline
mopar

Registered: 06/05/10
Posts: 463
Loc: Tennessee
Quote:

if gonna make that big a change $$ wise go on up to a set of B1s


I think with 572s i can still use my intake and tray and pistons?

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#1264485 - 07/08/12 11:20 PM Re: INDY 572-13 HEADS ? [Re: steeldust]
Chris'sBarracuda Online   tonguue
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Registered: 12/14/06
Posts: 3594
Loc: Arizona
It would be cheaper to port the -1's


Chris..
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#1264486 - 07/08/12 11:24 PM Re: INDY 572-13 HEADS ? [Re: Chris'sBarracuda]
steeldust Offline
mopar

Registered: 06/05/10
Posts: 463
Loc: Tennessee
Quote:

It would be cheaper to port the -1's


Chris..


Do you think they will make 50 to 100 more HP then what they are making now ?

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#1264487 - 07/08/12 11:47 PM Re: INDY 572-13 HEADS ? [Re: steeldust]
Chris'sBarracuda Online   tonguue
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Registered: 12/14/06
Posts: 3594
Loc: Arizona
Quote:

Quote:

It would be cheaper to port the -1's


Chris..


Do you think they will make 50 to 100 more HP then what they are making now ?





Not sure about hp numbers, but I think that a ported -1 would out flow an ootb 572-13..

Check these ported numbers.. The 572-13 barely out flows the -1's both ported..

Check Modern and Porter to compare.. I believe they're both about 375 @ .700 lift..

http://users.erols.com/srweiss/tablehdc.htm#Chrysler_Big_Block


Like I said, I would just port the -1's.. On a 572" with stock 440-1's, you are giving up quite a bit of power. So 50-100hp I would guess is possible.


Chris..
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#1264488 - 07/09/12 12:05 AM Re: INDY 572-13 HEADS ? [Re: Chris'sBarracuda]
Al_Alguire Offline


Registered: 01/20/03
Posts: 14367
Loc: Rockville MD & Las Vegas
IMO dont waste your money on the -13 head. Not worth the expense, better options ou tthere for sure. As Chris said porting what oyu have and getting a cam to match that will save you money and likely gain you a good deal of HP as well.
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#1264489 - 07/09/12 01:06 AM Re: INDY 572-13 HEADS ? [Re: Al_Alguire]
moparniac Offline
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Loc: U.S.
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#1264490 - 07/09/12 01:19 AM Re: INDY 572-13 HEADS ? [Re: Al_Alguire]
Twin Turbo Mower Offline
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Registered: 04/30/04
Posts: 1030
Loc: Centralia IL
You need a 4.5 bore for the 572's and different pistons. I made the switch to them. Modern did my set. Had these done at the begining of last year. Just got the motor together so no results yet. Here is the flow sheet.


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#1264491 - 07/09/12 04:23 AM Re: INDY 572-13 HEADS ? [Re: steeldust]
gregsdart Offline
master

Registered: 01/21/03
Posts: 6990
Loc: Frostbite falls, Mn ( Home of ...
If you have no porting, the motor should pick up a solid 100 hp on a race motor with 572 cubes. I am making about 900 hp, or enough to go consistent 8.80s with 3050 lbs car and driver. You should be able to match that power level with a full port job. After that it will get expensive, because the 572 needs new pistons, and at that point you might as well sell what you have and step up to a B1 head. A B1Mc will make over 1,000 hp, ask Al for details.
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#1264492 - 07/09/12 05:31 AM Re: INDY 572-13 HEADS ? [Re: gregsdart]
Tig Offline
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Registered: 01/26/03
Posts: 1959
Loc: A very wet England
As mentioned, you'll be better off porting the heads you've got. Personally I wouldn't upgrade from -1's to -13's I'd go for at least B1-MC's.
Again this has been mentioned but, you will need new pistons as the valve reliefs are bigger and in a different place, also I'm not sure if the headers will swop over either, the -13's are cut back some along the exhaust side face. Also you would be better off going to the 3X intake as the others don't seem to have a lot of material to match the roof of the intake port. For the gains I'm not sure it's worth it.
If and when I get round to upgrading, B1-PSO's will be on the top of the list.
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#1264493 - 07/09/12 07:26 AM Re: INDY 572-13 HEADS ? [Re: Tig]
Twin Turbo Mower Offline
mopar addict

Registered: 04/30/04
Posts: 1030
Loc: Centralia IL
Quote:

As mentioned, you'll be better off porting the heads you've got. Personally I wouldn't upgrade from -1's to -13's I'd go for at least B1-MC's.
Again this has been mentioned but, you will need new pistons as the valve reliefs are bigger and in a different place, also I'm not sure if the headers will swop over either, the -13's are cut back some along the exhaust side face. Also you would be better off going to the 3X intake as the others don't seem to have a lot of material to match the roof of the intake port. For the gains I'm not sure it's worth it.
If and when I get round to upgrading, B1-PSO's will be on the top of the list.




I have a set of tti 2 1/8 step headers bolted to my motor now fit the same as the 2 inch I had on the -1's. I too would just port out the -1's If I were him. Only reason I upgraded to these was it was the biggest head I could fit under the stock heed with no scoop and use off the shelf headers. Modern cut the exhaust exits the same as the -1's not like indy does so I could use the headers I wanted. I would have gone with a b-1 head but it would not have cleared my factory hood.
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#1264494 - 07/09/12 09:43 AM Re: INDY 572-13 HEADS ? [Re: Twin Turbo Mower]
moparniac Offline
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Registered: 02/05/07
Posts: 6265
Loc: U.S.
TTM thanks for the info! always wonder that about going 572's! real curious how your new 572s will work for your car and real curious on your pickup going to those heads... keep us updated on that so we can see value of upgrading to those heads
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#1264495 - 07/09/12 09:59 AM Re: INDY 572-13 HEADS ? [Re: moparniac]
440Jim Offline
I Live Here

Registered: 01/19/03
Posts: 15563
Loc: Southern Maryland
As other's have mentioned, the piston valve reliefs are different for 572-13 heads. 13 degree vs 15 degree, moved location.

For the real step-up, the B1 originals would be my choice. But if you have fairly new 440-1 heads, and you said no porting, there may be room for much improved porting to around 375 cfm with the 2.25" intake valve. I don't know if your current port shape would interfere with the current CNC porting programs for 440-1 heads. OOTB 440-1 don't flow well at all, so a CNC would be a big improvement, IMO.

You will need to check your piston valve reliefs if you change to the 440-1 2.25" intake valve. Some are OK, some are not.
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#1264496 - 07/09/12 10:44 AM Re: INDY 572-13 HEADS ? [Re: 440Jim]
MRMOPAR622 Offline
Moparts official keyboard racer

Registered: 09/16/03
Posts: 2007
Loc: Sweet Home Alabama
Holy Crap,I spent my hard earned $$$ buying not just 1 set but 2 sets of 572-13 heads,when I could have save $$$ by using 440-1 heads I just let 1 set go with my spare engine,but you can bet the farm on this I won't be replacing them with a set of 440-1 heads.
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#1264497 - 07/09/12 11:17 AM Re: INDY 572-13 HEADS ? [Re: MRMOPAR622]
Slingshot383 Offline
mopar

Registered: 01/20/03
Posts: 638
Loc: St. Charles, MO.
The B-1's are far from a bolt on set of heads, they are a lot more work to get a total package assembled than the switch to the 572-13's.
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#1264498 - 07/09/12 11:26 AM Re: INDY 572-13 HEADS ? [Re: Slingshot383]
sasquatch Offline
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Registered: 03/26/05
Posts: 1987
Loc: North Carolina
Port work and a good cam will easily get you another 100 or so over OOTB -1 heads. You can crack 900 or so with a 572 with -1 heads and the right cam and components/
Todd
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#1264499 - 07/09/12 11:31 AM Re: INDY 572-13 HEADS ? [Re: sasquatch]
joshking440 Offline
Monster Mopar Man

Registered: 10/18/06
Posts: 4311
Loc: Indy
Best Machine can help you with your selection of parts...

check this out

http://board.moparts.org/ubbthreads/show...part=1&vc=1

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#1264500 - 07/09/12 01:23 PM Re: INDY 572-13 HEADS ? [Re: MRMOPAR622]
Tig Offline
top fuel

Registered: 01/26/03
Posts: 1959
Loc: A very wet England
Quote:

Holy Crap,I spent my hard earned $$$ buying not just 1 set but 2 sets of 572-13 heads,when I could have save $$$ by using 440-1 heads I just let 1 set go with my spare engine,but you can bet the farm on this I won't be replacing them with a set of 440-1 heads.




I would run another set of -13's anyday, It's not all about flow numbers.
_________________________
'74 Challenger..???? @ ???? with mufflers, 3920# N/A, 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, 4:10's and 10.5s. Marsh Performance pump gas 655ci 950ft/lb 1050hp. RHD '68 Barracuda Fastback 323ci street/strip.

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#1264501 - 07/09/12 01:26 PM Re: INDY 572-13 HEADS ? [Re: moparniac]
Tig Offline
top fuel

Registered: 01/26/03
Posts: 1959
Loc: A very wet England
Quote:





Anyone have flow numbers on the -13 385cc with a 4.5inch bore?
_________________________
'74 Challenger..???? @ ???? with mufflers, 3920# N/A, 655ci, Indy Maxx, T/R, Indy 600-13 X's, Street legal, pump gas, full interior, Cal-Tracs, 4:10's and 10.5s. Marsh Performance pump gas 655ci 950ft/lb 1050hp. RHD '68 Barracuda Fastback 323ci street/strip.

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