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#51
07-24-2006, 09:30 PM
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Re: L78 396/375 HP Long Block CKO Stamping
I have a #290 4 bolt block w/ threaded remote oil hole above oil filter dated H-71. Pad is stamped "CE". All my books say 2 bolt only, not so. DonE
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#52
07-24-2006, 10:17 PM
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Re: L78 396/375 HP Long Block CKO Stamping
I believe the 2-bolt is for production engines, not crate motors. That is the only explaination I can come up with. Colvin's books are usually right on, but everyone makes mistakes. Especially when going by the info that has been gathered thus far.
Jason
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#53
07-25-2006, 04:43 AM
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Re: L78 396/375 HP Long Block CKO Stamping
The 290 block was used for both 2 bolt and 4 bolt applications for the 70 model year. Our 70 L78 Marine Corps Nova has a 1972 dated 4 bolt CE motor..these really shouldn't be that rare considering how many 396 cars were made in 1970. A lot of guys blew up both the 350hp and 375hp motors..and Chevy was putting them back together "on the muscle"....not sure how many were made for just regular over the counter sales, but there must have been a decent amount. I've seen some old Berger ads where the L78 motor was one of their std. items.....
wilma
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02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro
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#54
07-25-2006, 06:38 AM
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Re: L78 396/375 HP Long Block CKO Stamping
Wilma, Can you tell us if any of these replacement short blocks cast and assembled after the 1970 Model Year at Tonawanda had CKO stamped on them....Is this not the question still at hand.
Please educate me if I am wrong???
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Chuck Sharin [email protected] Auburn,WA (30 miles South of Seattle) 70 Camaro R/S Z-28, L-78, R/S SS 69 Camaro COPO "recreation"
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#55
07-25-2006, 06:58 AM
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Re: L78 396/375 HP Long Block CKO Stamping
I have never seen a CKO block in a CE application...but then I haven't seen Elvis either.
wilma 
__________________
02 Berger 380hp #95 Lots of L78 Novas Join National Nostalgic Nova! 70 Orange Cooler 69 Camaro
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#56
07-31-2006, 08:52 PM
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Re: L78 396/375 HP Long Block CKO Stamping
The shortblock and heads both end today. I think they are a bargain at the current price
 .Jason
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#57
08-01-2006, 03:08 AM
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Re: L78 396/375 HP Long Block CKO Stamping
[ QUOTE ]
I have never seen a CKO block in a CE application...but then I haven't seen Elvis either. wilma [/ QUOTE ] I too, have never seen a CKO motor or any other suffix in a CE application.Having said that I have owned and seen several that had a regular suffix but no serial number.I was told that these were over the counter use.The suffix letting the mechanic know what was in side of the short block without opening it up.Just my $.02
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