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Discussion Starter · #1 ·
a friend of mine just picked this 512 4-bolt block up this weekend.it has a

build date J 14 69
FRONT PAD STAMPING TO2114CO this is what i am wondering about,never seen this stamping.
he also said it had studs on main caps for windage tray. any help would be appreciated. thanks greg
 

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In Memoriam
66 El Camino 57 Chevy pickup 2004 Tahoe
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29,419 Posts
if the markings check out it's big bux block in demand by Corvette freaks. If it's sound, not big cracks anywhere he's just found himself a nice little bonus.

that CO code doesn't work for me for a 70, that block was really late 69, would have gone into a 70 model car.

That engine code would be a 3 letter code in 1970. better look it over close.

454 codes for 70 Vettes are

CZU . 454.390 Roch. Q-jet, Hyd. Lifters & 4-Speed
CGW. 454 390 Roch. Q-jet, Hyd. Lifters & THM
CRI .. 454 .390 Roch. Q-jet, Hyd. Lifters, T/I, 4-Spd
CRJ . 454 .390 Roch. Q-jet, Hyd. Lifters, T/I, THM
CZL 454**465 Holley, Mech. Lftrs, Alum. Hds, 4-Spd
CZN 454**465 Holley, Mech. Lftrs, Alum. Hds, THM
 

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In Memoriam
66 El Camino 57 Chevy pickup 2004 Tahoe
Joined
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29,419 Posts
codes for 70 Chevelle 454s:

CRT-454/360 hp, 4 spd
CRQ- 454/360 hp, Turbo 400
CRV- 454/450 hp, 4 spd
CRR-454/450 hp, Turbo 400.

again, no 2-digit codes
 

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Premium Member
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306 Posts
Discussion Starter · #5 ·
i wasn't posting this info to try and sell it.we both had never seen a stamping like that. he is a big LS6 guy and knew there should have been a 3-digit code. that whats throwing us a curve on this block. at first he thought it was a CE block but had never seen any date stamp in front of CE. thanks greg
 
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