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427ci help?

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Old 06-07-2006, 12:30 AM
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Default 427ci help?

hey guys whats going on? alright im gonna be pickin up a bare ls1 block soon, and im wondering what is all involved in making it into a 427? i know i need to stroke it and what not, but what else is involved?
Old 06-07-2006, 02:24 AM
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The block will have to be resleeved (dry or wet) and fitted with a stroker assembly.

My advice is talk to Steve D. at R.E.D >>>>> sponsor.
He is the only one I would 100% trust for this.
Why? because he is the develloper/pioneer of this procedure.
Old 06-07-2006, 10:19 AM
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Then talk to me! I'm also in Lomabrd. I have a brand new set of pistons on the shelf for it, no waiting!
Old 06-07-2006, 09:36 PM
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thaks. wish i had the money right now for the pistons i would def. take them off your hands. i have to get the block first. thats my main concern. i figured i would have to resleeved the motor and stroker. i just wasnt sure what else was invovled.
Old 06-07-2006, 09:48 PM
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Save up for a sleeved ls2 block and don't bother with the LS1... You'll need a 4.125 bore and a 4.000" stroke!
Old 06-08-2006, 03:54 PM
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Originally Posted by rjkZ28
thaks. wish i had the money right now for the pistons i would def. take them off your hands. i have to get the block first. thats my main concern. i figured i would have to resleeved the motor and stroker. i just wasnt sure what else was invovled.

Let me know I'll make you a good deal!!!!
Old 06-08-2006, 03:56 PM
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ok thanks andy i appreciate it. i dont want to get a ls2 because i dont want to have to run a new PCM
Old 06-08-2006, 03:57 PM
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Andy you get your car back yet? if so how is that thing, pretty wild?
Old 06-08-2006, 04:40 PM
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Better off doing an LS2 402. That is just a stroker crank. I believe 383 is the biggest you can go on just stroke. To get the 427, you need to bore the block, which requires re-sleeving an LS1 block.
Old 06-08-2006, 05:58 PM
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Originally Posted by rjkZ28
ok thanks andy i appreciate it. i dont want to get a ls2 because i dont want to have to run a new PCM
You don't have to change your pcm. Just get a 24x reluctor crank and a knock sensor extension and you are good to go. You still have to have it resleeved of course. Oh yeah and lots of money.
Old 06-08-2006, 09:23 PM
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Originally Posted by rjkZ28
Andy you get your car back yet? if so how is that thing, pretty wild?

Still finishing the boost controller. It's almost done. It looks REALLY nice. I should be doing some tuning tomorrow. I would love to have the car done for Saturday RSD but I don't think thats going to happen. Jim doesn't tune on Saturday , unless I can talk him into it $$$!
Old 06-08-2006, 11:23 PM
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Originally Posted by LASTLS1
Still finishing the boost controller. It's almost done. It looks REALLY nice. I should be doing some tuning tomorrow. I would love to have the car done for Saturday RSD but I don't think thats going to happen. Jim doesn't tune on Saturday , unless I can talk him into it $$$!

that sounds good. i cant wait to see it. the car is gonna be such a beast.




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