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Originally Posted by victionone
Seriously. The LSX blocks can really use those heads. 
The standard LS3's are already available but in short supply. GMPP's LS376/480 and LS276/520 are another story tho. GM says early 2008 but we'll see.
GMpartsdirect has the crate LS3 for $4680 but shipping is $1000 plus a $300 core charge. |
THe LSX is designed for the extra bolts, the block's been out a year, but no GM heads yet (you can use stock type heads, but then there's no advantage of using the heavy block since the heads will lift at 20# boost without the extra bolts)
The LS3 you talk about is a replacement long block for someone who already has a LS3 vette. No intake injectors coils, etc. Where are you gonna come up with a core? Try ordering one, my guess you need to give them a VIN # too, in order to actually recieve one.
On my own stuff I used an LS2 and have an LS3 block for another project.
However all my LS customers this year wanted an LS7s.
If you're paying a shop labor, it's still cheaper to get 650 na hp out of an LS7.
Thanks
Jeff