Can you build a 427 w/out sleeving?
10-04-2005, 11:19 AM
#2
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you don't sleeve iron blocks, they don't have sleeves. with an iron block bored out - 4.080 bore x 4.080 stroke or 4.060 bore and 4.125 stroke you will hit 427 cubic inches. 
10-04-2005, 11:28 AM
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Not yet. World Products is coming out with a block, but who knows when it will be available. The c5r is the only other choice and that is 6k before any machine work.
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10-04-2005, 11:48 AM
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Originally Posted by OUTLAWZ RACING
I did took a brand new slp 402 short block keept it a secret and sold the rotating assembly and had it punch out and bam 427 i paid 300 out the pocket because of the differance in price for pistons and stuff
There is a translation.
10-04-2005, 12:31 PM
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Originally Posted by Wet 1
You cant take an ls2 block 120 over... nore a iron block
aint happening.
sonic testing on the iron for 60 over... so i've heard
10-04-2005, 12:35 PM
#11
Originally Posted by OUTLAWZ RACING
I did took a brand new slp 402 short block keept it a secret and sold the rotating assembly and had it punch out and bam 427 i paid 300 out the pocket because of the differance in price for pistons and stuff
Was it a sleeved block to begine with ?
8k rpm here i come!
10-04-2005, 12:57 PM
#17
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Some of you guys are just .... well.... talking nonsense.
Sonic test on an iron block is mandatory for .060 bore. You could go through a dozen before you find one that passes.
.080 is stupid unless you have 2 more in the trailer for the final passes. Those that use them are super max effort, track only setups.
Either sleeve or C5R, that is what is on the market right now.
Sonic test on an iron block is mandatory for .060 bore. You could go through a dozen before you find one that passes.
.080 is stupid unless you have 2 more in the trailer for the final passes. Those that use them are super max effort, track only setups.
Either sleeve or C5R, that is what is on the market right now.
10-04-2005, 03:44 PM
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There is a glimmer of hope for the future. The 6.2l is 4.065 bore stock in a aluminum block so it won't go much bigger (Maybe .020). The block will be produced in iron with a 4.065 base bore, this may produce the ability for a 4.120 final on the right block. Not sure when this block will be released in iron, but 08 model year should be safe bet.
Kurt
Kurt