Hemi - Aluminum or Cast Iron?

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    Author Topic: Hemi - Aluminum or Cast Iron?  (Read 2271 times)

    Offline cudabuyer

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    Hemi - Aluminum or Cast Iron?
    « on: December 20, 2005 - 02:55:17 PM »
    Trying to decide if 170 lbs is worth $2100.00 extra for a 700 hp hemi build.

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    70 Dodge Challenger Convertible 6.1 Hemi



    Offline Chryco Psycho

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #1 on: December 20, 2005 - 02:58:29 PM »
    the Alum blocks definatly have more strength & are easier to repair
     I guess it depends on your budget 
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    Offline MEK-Dangerfield

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #2 on: December 20, 2005 - 04:45:13 PM »
    Quote from: Chryco Psycho on December 20, 2005 - 02:58:29 PM
    the Alum blocks definatly have more strength & are easier to repair
     I guess it depends on your budget 

       :iagree:  Also, if you are capable of 700HP, do you care about 170 extra pounds???  Maybe if you are a serious drag racer. What are you using this car for?

       Mike
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    Mike

    1970 Challenger - SOLD
    2016 SXT+.  1 of 524 SXT+'s in Plumb-crazy for 2016.

    Offline cudabuyer

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #3 on: December 20, 2005 - 06:25:37 PM »
    A lotta show and a lotttttta gooo.  Seriously even the builder says it is overkill.  My thoughts on the aluminum is less weight on the front end.

    I think that probably 500 - 550 hp is more than enuff
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    70 Dodge Challenger Convertible 6.1 Hemi

    Oldschool

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #4 on: December 20, 2005 - 06:31:31 PM »
    Cuda,

    Have you thought about the possibility of an iron block with aluminum heads?   :thinkerg:  Kinda splits the difference on the weight issue and still gives the power of the aluminum heads. It's also cheaper than the all aluminum setup.  That's the engine setup in the Oldschool ride.  775 horsepower and the car weighs 3254 lbs--including the roll cage.  Just a thought.   :cooldancing:  ....................Oldschool
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    Offline cudabuyer

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #5 on: December 21, 2005 - 08:11:08 AM »
    the extra $2100 would help defray costs of headers, radiator swap, etc etc etc.
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    70 Dodge Challenger Convertible 6.1 Hemi

    kudakidd

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #6 on: December 21, 2005 - 10:52:13 AM »
    I wish I was faced with such tough decisions! :biggrin:
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    Offline cudabuyer

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #7 on: December 22, 2005 - 08:13:48 AM »
    Well that tough decision is still under approval from the wife and Santa.

    More 2 come later
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    Offline Chryco Psycho

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #8 on: December 22, 2005 - 10:51:58 AM »
    what Rpm are you planning to make 700 hp at ,
     which Iron Hemi block are youy looking at buying ?
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    Offline cudabuyer

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #9 on: December 23, 2005 - 05:42:48 AM »
    Speedomotive builders in Calif
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    Offline Chryco Psycho

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    Re: Hemi - Aluminum or Cast Iron?
    « Reply #10 on: December 24, 2005 - 12:02:15 AM »
    Im not sure what the supply is like from Mopar for the iron mega block or what HP they will take , alum blocks will withstand 2500 hp range though
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