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Iron or Aluminum

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Old Oct 26, 2005 | 10:41 AM
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Default Iron or Aluminum
Pretty much what the title says. Seriously thinking about a 408 but was curious on which block to go with and what the advantages are besides weight. And how much of a weight difference is there? This will be going in a 02 WS6 if that makes a difference even though it shouldn't. Thanks
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Old Oct 26, 2005 | 10:51 AM
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iron will be stronger for sure but more weight. what are you going to use the car for? iron will be cheaper prob also. all are good things to consider. weight diff will prob be 50-80lbs maybe not for sure though.
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Old Oct 26, 2005 | 04:06 PM
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Originally Posted by TARyan21
Pretty much what the title says. Seriously thinking about a 408 but was curious on which block to go with and what the advantages are besides weight. And how much of a weight difference is there? This will be going in a 02 WS6 if that makes a difference even though it shouldn't. Thanks
i was in the same boat with you i have heard that the iron block with change your handling in your car. i have heard that the iron block wieghs about 100 pounds more then the alluminum . i went with the alluminum block and am happy i did.
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Old Oct 26, 2005 | 10:52 PM
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Anyone else....?
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Old Oct 26, 2005 | 10:55 PM
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A friend on mine went with an iron block because it's stronger and he's going to be spraying the living **** out of it
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Old Oct 26, 2005 | 10:59 PM
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After talking to a few builders i went the Iron route cause they said part for part you'll make more power with the iron block
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Old Oct 26, 2005 | 11:11 PM
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I was told buy a builder that the iron weights almost 100lbs more. Depends on your goals. I personally will be going with the iron.
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Old Oct 27, 2005 | 09:30 PM
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Originally Posted by 2MuchRiceMakesMeSick
I was told buy a builder that the iron weights almost 100lbs more. Depends on your goals. I personally will be going with the iron.
Yup. An Iron block weighs 93 lbs more than an aluminum block (180 for the iron block and 87 lbs for the ls1 block).

Nate
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Old Oct 29, 2005 | 08:51 AM
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Just get you one of the new LS7 bare blocks and build you a bad *** 427! It`s alum and strong as ****!
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Old Oct 29, 2005 | 10:25 AM
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not sure what the ls2 block weights but i do know the iron 6.0 block weights between 212 and 215 pounds. 117 pounds heavier than a LS6 Block
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Old Oct 29, 2005 | 10:47 AM
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If I wanted to go with forced induction or spray, then iron.

Otherwise, I'd do aluminum.
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Old Oct 29, 2005 | 10:58 AM
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i blew my stock 346 while spraying. i was thinking about punching it out to a 390 or something like that. but then my biulder was telling me that i shouldgo iron so i went with 6.0 iron so i an spray a lot more. i am happy with my decision
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Old Oct 29, 2005 | 11:14 PM
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Iron is the way to go check out this article http://www.ls1speed.com/article/
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Old Oct 30, 2005 | 07:41 AM
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Originally Posted by n2o junkee
i blew my stock 346 while spraying. i was thinking about punching it out to a 390 or something like that. but then my biulder was telling me that i shouldgo iron so i went with 6.0 iron so i an spray a lot more. i am happy with my decision
you can't 'bore' an LS1!
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Old Oct 30, 2005 | 08:42 AM
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Originally Posted by Demon SS
not sure what the ls2 block weights but i do know the iron 6.0 block weights between 212 and 215 pounds. 117 pounds heavier than a LS6 Block
An Iron block weighs 93 lbs more than an aluminum block (180 for the iron block and 87 lbs for the ls1 block).

Nate
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Old Oct 30, 2005 | 09:40 AM
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aluminum if your going N/A. iron if your spraying or blowing. my .02
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