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    Author Topic: Changing Set-up .... thoughts? 440 Challanger  (Read 8276 times)

    Offline outlawse

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #15 on: July 26, 2011 - 02:51:01 PM »
    67vertman:

    What kind of set-up are you running besides the performer heads?  Intake, carb, ...?

    I am getting ready to bolt on a Performer RPM intake, 509 114 LSA cam and maybe OOTB 440 Source Heads.

    440 Source told me I would be around 500hp with that set-up.  460hp with the 906 heads.

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    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads


    Offline Cooter

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #16 on: July 26, 2011 - 06:58:26 PM »
    Quote from: outlawse on July 26, 2011 - 11:10:42 AM
    I called 440 Source and the tech told me that their heads would be worth 40Hp on my engine.
    So... is it worth the $1200 to upgrade for 40 hp on a street engine ???  I dunno.

    Does anyone think I would even notice it on a street 440 that only gets revved to 5000 ? 

    Thanks...

    Well now, that would depend on how well the bottom end was set up...Static Compression ratios, how far "In the hole" the pistons are...Things like that....You got some .080 in the hole 1978 440 bottom end, you will not see as great an increase as you would with say a Zero deck 1972 440....
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    1968 Dodge Dart 2dr sedan 505" Stroker    (O]=0==========0=[O)                
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    Offline 67vertman

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #17 on: July 26, 2011 - 09:14:20 PM »
    Quote from: outlawse on July 26, 2011 - 02:51:01 PM
    67vertman:

    What kind of set-up are you running besides the performer heads?  Intake, carb, ...?

    I started with a 1974 block, bored 30 over, new steel crank, new rods and pistons, zero deck height with 10-1 compression. Edelbrock heads mild ported, just to clean up casting marks and port match.  I then went with 1:6 roller rockers and a three angle valve job....yes all this on brand new heads.  Crane cam wit 529 lift, M-1 manifold and a holley 950 double pumper.

    I wanted a motor that would run all day, and still have good power and torque numbers.  I think my engine builder did a good job meeting these requirements.  I haven't put it in my car yet, so real world drivability is yet to be seen.
    « Last Edit: July 26, 2011 - 11:39:36 PM by 67vertman »
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    Ron - Born and raised in Southern California

    I got the 1970 Cuda, but still need the hot blonde to ride shotgun!

    First car -1969 Road Runner 383 4sp

    Current ride - 1970 Barracuda 440-6 4 sp Dana 60  (4:10)

    Offline GranCuda1970

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #18 on: July 26, 2011 - 10:34:42 PM »
    Good thread givin me ideas on what to build.
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    Offline outlawse

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #19 on: July 28, 2011 - 04:37:11 PM »
    Thanks ... 67vertman
    Logged
    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads

    Offline outlawse

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #20 on: August 03, 2011 - 09:43:18 AM »
    Does anyone have a good estimate of how much the 440 Source Heads flow at .500 lift I/E.

    Is around 260 cfm a good estimate ?
    Logged
    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads

    Offline outlawse

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #21 on: August 04, 2011 - 04:39:32 PM »
    Well I did it .......................

    I ordered a set of 440 source heads today to go along with the Performer RPM intake.
    Got a pretty good deal.... set of heads with better Comp Cam 7 degree locks and free shipping  $995.

    I also got head gaskets, spark plugs, and head bolts.

    I plan on takings the valves out and oiling the guides prior to start-up, and double checking those locks.....

    Thoughts ... please
    Logged
    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads

    Offline Strawdawg

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #22 on: August 04, 2011 - 07:00:32 PM »
    Quote from: outlawse on August 03, 2011 - 09:43:18 AM
    Does anyone have a good estimate of how much the 440 Source Heads flow at .500 lift I/E.

    Is around 260 cfm a good estimate ?


    google is amazing!  :D

    http://forums.moparmusclemagazine.com/70/8232943/general-performance-discussion/440-source-stealth-heads/index.html
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    Offline Chryco Psycho

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #23 on: August 04, 2011 - 07:38:58 PM »
    cahnge out the locks & retainers , I think they use 7* cheap stuff , install the good 10* locks instead
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    Challenger - You`ll wish You Hadn`t

    Offline outlawse

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #24 on: August 05, 2011 - 04:17:27 PM »
    Thanks Straw..... thats exactly what I was looking for.

    Chry:

    Supposely they no longer use the junk locks.  They now only use Comp Cams 7-deg locks now..... So I was told.

    If the locks look like junk, I will go to 10 deg locks/retainers.

    Thanks
    « Last Edit: August 05, 2011 - 04:19:02 PM by outlawse »
    Logged
    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads

    Offline outlawse

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #25 on: August 11, 2011 - 07:54:10 AM »
    RECEIVED the heads today.

    Very impressed with them. 

    The intake ports are super smooth. Looks like someone, either the factor or 440 Source already grinded/smoothed the ports by the guides, and the locks were upgraded to Comp Cam locks.

    The exhaust ports are smooth also.  Overall the castings appear really good.

    For a total of $998, they look like a great deal.  $1100 for heads,head bolts,spark plugs,head gaskets.

    I will try to get pics.
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    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads

    Offline Chryco Psycho

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    • 70 Challenger R/T SE 70 tube Chassis Cuda now sold
    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #26 on: August 11, 2011 - 08:19:09 AM »
     :2thumbs:
     I am interested to see how they work out for you
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    Offline outlawse

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #27 on: September 03, 2011 - 03:38:54 PM »
    Well the heads I bought do have Comp 7 degree locks installed, but should I be concerned about the 440 Source retainers?

    Any thoughts ??
    Logged
    1972 Dodge Challenger
    1970 446 RB: Six-Pack cam, M1 Dual plane Intake, Hooker Headers, much more...
    Turbo Action 727: 3400 Stall, Manual Cheetah Valve Body - 3.91 Gears
    On bench:  Performer RPM Intake, 509 114 LSA Cam, 440 Source Heads

    Offline mojavered

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #28 on: September 03, 2011 - 04:26:47 PM »
    Question about the 7 deg locks/ret...Why are they junk?  Is it the manufacturer, quality, or jsut that it is a 7 deg lock?  Why is this so bad?  Doesn't spring pressure come into play here?  Can the 10 deg locks be overkill?
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    Jason

    Offline Chryco Psycho

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    Re: Changing Set-up .... thoughts? 440 Challanger
    « Reply #29 on: September 03, 2011 - 10:39:38 PM »
    10 * locks are never overkill , I have no clue on the quality of the locks & retainers used by 440 Source , but for around $100 you could switch everything out for 10* , seems cheap to me when you are going that far anyway 
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