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Old 06-03-2011, 11:57 PM   #1
VA72C10
VA72C10
 
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Join Date: Mar 2008
Location: Midlothian, VA
Posts: 25,267
WIW 1971 402 Big Block LS-3

I have a 402 Big block that came with my 1972 Cheyenne super truck. I am going to do a number's matching restoration on the truck so I'm sourcing a truck block. This engine is from a Camaro from everything I can tell on the codes...
Complete from Intake to oil pan. Oval port heads. Has performance camshaft installed on a recent rebuild (I am going to verify that this week hopefully)

From the casting and stampings

3968854 (402 70-72 2 or 4 bolt)
E 4 71 (May 4,1971) block casting date

T0628CLB 11Y140355
T= Tonawanda Plant
06= June
28 = 28th
CLB = 396 (402) Auto tranny, high performance 300hp/ SS Super Sport

Heads are 3993820
1971 402 Oval port LS-3 heads

Intake looks to be 8268758 but I can't find that code. Also has B 2 72 on it and Conv 3 as well as GMTI stamped on it. It is loose (not bolted down yet)

What's a fair value on a complete rebuilt motor like this?

Thanks for any input!





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