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Old 10-22-2019, 06:48 PM
TOURN66 TOURN66 is offline
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Default 2011 Z06 LS7 engine

Trying to figure out what this engine is worth. It does need a sleeve and fix the block(hairline crack) next to cracked sleeve. Heads are perfect. Had 45k miles on it. Long block. Valve covers to oil pan. Pretty sure Im ready to sell rather than build at this time. Thanks for any advice or if interested.
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Old 10-22-2019, 09:42 PM
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Che70velle Che70velle is offline
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Originally Posted by TOURN66 View Post
Trying to figure out what this engine is worth. It does need a sleeve and fix the block(hairline crack) next to cracked sleeve. Heads are perfect. Had 45k miles on it. Long block. Valve covers to oil pan. Pretty sure Im ready to sell rather than build at this time. Thanks for any advice or if interested.
Running used LS7s are going for $8 to $10k. The cracked sleeve will kill the value here. 9 times out of 10, the aluminum around the sleeve is damaged (which youve stated that it is indeed cracked) and unfixable, rendering the $3700 block useless. Steve at RED is the best in the country at anything sleeve related, and could tell you if its repairable, as hes done hundreds if not thousands of LS7 sleeve jobs.
To add insult to injury here, the LS7 heads have an inherent geometry issue and eat guides, which wears the valves and causes major issues. Heads will need to be sent out and fixed with new guides and likely valves. Im not sure there is an honest fix for the heads, as many folks having the fix done, report back that after xxx amount of miles, the guides are back out of spec. Do a search over on Corvette Forum.
Im not gonna put a value on what you have, because I cant do that, but Id bet youd make more parting it out.
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