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383 or 408?

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Old Dec 31, 2014 | 04:51 PM
  #21  
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if i was to build a new motor and could not get greedy and keep upgraging a 408 iron with some ported 243's or a 418 with some ported 821's would be my choice. if for sure going fi just get an ls6 intake for 408,ls3 intake for 418, and save 1k for the fi build. build them both around 10:0 - 10:5 scr and go ahead and install your turbo or supercharger cam and either should have no problem making 450 rw . just my $.02
if you aren't in a bad hurry you can probably shop around and find some good deals on some used parts to save $ and just build it as you get enough funds.
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Old Dec 31, 2014 | 07:35 PM
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I would opt for the LS3 heads and intake for the 408 too.
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Old Jan 3, 2015 | 09:36 AM
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LS1 408 $1,000 in machine work total.. it's not as much to re sleeve a ls1 as you think, and any machine shop that knows what they are doing can do this job.. I love when how people throw all these big names around like they are the only place to have a job like this done, or you will end up with some crap engine that will blow up in 500 miles


383 or 408?-screenshot_2014-12-20-21-42-06.jpg

383 or 408?-20141128_145302.jpg
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Old Jan 3, 2015 | 10:05 AM
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Originally Posted by T/A2000
LS1 408 $1,000 in machine work total.. it's not as much to re sleeve a ls1 as you think, and any machine shop that knows what they are doing can do this job.. I love when how people throw all these big names around like they are the only place to have a job like this done, or you will end up with some crap engine that will blow up in 500 miles


Attachment 482632

Attachment 482633
You have to figure in the cost of the sleeves. Plus install, boring etc can easily run you $2500 to resleeve an LS1 block. That would make absolutely no sense imo when you can just pick up an iron block for much cheaper. Unless you're set on sticking with the LS1 block, I see no purpose.
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Old Jan 3, 2015 | 10:25 AM
  #25  
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Originally Posted by Holeshot 346
You have to figure in the cost of the sleeves. Plus install, boring etc can easily run you $2500 to resleeve an LS1 block. That would make absolutely no sense imo when you can just pick up an iron block for much cheaper. Unless you're set on sticking with the LS1 block, I see no purpose.
$1,000 was the total for all of the block work, new sleeves, cam bearings, and clearance for the stroker kit
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Old Jan 3, 2015 | 10:56 AM
  #26  
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Originally Posted by T/A2000
$1,000 was the total for all of the block work, new sleeves, cam bearings, and clearance for the stroker kit
What sleeves? Have you got it running yet?

The Darton 5.80" sleeves are almost $1000 by themselves.
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Old Jan 3, 2015 | 10:59 AM
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Not sure how much it is to sleeve a LS1... but what I am sure of its 1950 to sleeve a aluminum 5.3 block by R.E.D...... that's you sending them a block.
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Old Jan 3, 2015 | 11:22 AM
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yeah its been running for about 3 months at this point, and just over 1500 street miles so far.. I have no concerns with it at all
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Old Jan 3, 2015 | 06:47 PM
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Same machine shop that did the machine work on my block build a 427 ls1 for a friend of mine and it has roughly 35k on it now also, he spent a little more money than I did there because he had them assemble his engine. .
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Old Jan 4, 2015 | 04:43 AM
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Originally Posted by T/A2000
$1,000 was the total for all of the block work, new sleeves, cam bearings, and clearance for the stroker kit
where at? Sign me up
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Old Jan 4, 2015 | 12:21 PM
  #31  
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Originally Posted by T/A2000
Same machine shop that did the machine work on my block build a 427 ls1 for a friend of mine and it has roughly 35k on it now also, he spent a little more money than I did there because he had them assemble his engine. .
Do you know what kind of sleeves they're using?
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Old Jan 5, 2015 | 06:25 AM
  #32  
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Originally Posted by Holeshot 346
Do you know what kind of sleeves they're using?
Unfortunately I do not, I can ask them the next time I go in there
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Old Jan 8, 2015 | 11:02 PM
  #33  
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Give us a call when you have time to chat. I think thats the best way to get you a combo to meet your needs. I personally really like 408 strokers, but it really depends on what your goals and uses are.

What I can tell you is we will build whatever you want, or if your in a hurry we have 10+ short blocks in stock!!!

Jason
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