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Old 09-12-2010, 10:27 PM
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engine block #'s help

I am having problems getting the same answer about my 67 super high performance 327 engine block, 4 bolt main with a 4#bore. I am wanting to build it to put in my 79 camaro. The number reads V08I9CKH, if its what i was told it was when i purchased it would like to know what it's value could be to possibly sell or trade to buy a crate motor

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Old 09-12-2010, 11:18 PM
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"CKH" shows up as 1972 307 engine w/Powerglide and 2 barrel, or 1973-74 350 engine w/manual trans and 4 barrel. If it is 4" bore that eliminates the 307 unless it has been bored to that size which is risky and not recommended with a 307 block. 4-bolt mains would also eliminate the 307, never made with 4 bolts. "V0819" shows it to be a block from a year ending in a 9, either 1969 or 1979. So, the "V0819" and "CKH" don't jive with each other due to year conflicts, at least according to published lists.

To find out which of these it is we need the casting number off the drivers side bellhousing flange lip of the block.

It dosn't appear to be a 327 either way, the three digit codes like CKH are nearly all 1970 and later, 327 was discontinued in 1969, (but there are some 3 letter codes ending in "H" that are 327's). There were also no 4 bolt main 327's ever built according to GM records, they were all 2 bolt.

Block casting number will clear most of this up.
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Old 09-13-2010, 12:00 AM
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Hi,
The only high performance 327 I remember for back then was the corvette fully L84 327ci 375hp,
& the 365 hp carbed version, I don't remember if they had 4 bolt mains or not.
Value only to someone wanting a #s matching block.
Rich
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Old 09-13-2010, 01:06 AM
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engine block #'s help

hi fella's who responded so quickly to my question about our 327 4bolt main. I think this is the number that one of you requested 3970010, my husband says it is definetly a 4bolt main, and my son bought this block with the understanding that it was a 327 67 corvette, hopefully you can help us with this delemna thank you pam
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Old 09-13-2010, 02:11 AM
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CKH 72 307 Nova 130 L-14 Power Glide 2-Brl
CKH 72 307 Chevelle 130 L-14 Power Glide 2-Brl
CKH 72 307 Camaro 130 L-14 Power Glide 2-Brl
CKH 73 350 Nova 175 L-48 Manual 4-Brl A.I.R.
CKH 73 350 Chevelle 175 L-48 Manual 4-Brl A.I.R.
CKH 73 350 Camaro 175 L-48 Manual 4-Brl A.I.R.
CKH 74 350 Nova 160 LM-1 Manual 4-Brl A.I.R.
CKH 74 350 Chevelle 160 LM-1 Manual 4-Brl A.I.R.
CKH 74 350 Camaro 160 LM-1 Manual 4-Brl A.I.R.
CKH 77 350 Nova 170 LM-1 TH 350 4-Brl
CKH 77 350 Chevelle 170 LM-1 TH 350 4-Brl
CKH 77 350 Camaro 170 LM-1 TH 350 4-Brl
CKH 87 305 Pontiac 165 L-65 700R 2-Brl Grand Prix
CKH 87 305 Impala 150 LG-4 700R 4-Brl
CKH 87 305 Chevelle 165 LG-4 700R 4-Brl
With the block casting number being 3970010 indicates it`s a 4 inch bore block, the 302, 327 and 350 all came in this casting number but the CKH suffix code gives the list of the engines that came with this code, shows you have a 350 as a 327 is not on the list. As Eric mentioned, a 327 did not come in 4 bolt main caps so it so that only leaves a 350. That`s not to say, someone didn`t place a 307 or 327 crank in your 350`s block which would make it a 327. Can you ask your husband for the crankshaft casting numbers? this will tell us the stroke of the crank which will tell us if it`s a 327 or a 350. On the rear of the block, on the bellhousing flange where the casting number is, a date code is cast into the block. it will look like this example: C 5 70 The "C" indicates the month "C" 3rd letter so 3rd month, March. the "5" is the date, the 5th. and "70" the year, 1970.
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Old 09-13-2010, 02:38 AM
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3970010 is a common 4" bore block, often 4-bolt main as you indicate yours is, but it was never a 1967 Corvette block. 3970010 block was used from 1968-1979 to make 302, 327, 350 cubic inch engines, but there was never a stock 4-bolt main 327, only 302 and 350, so if it is a 327 someone has installed a 3.25" stroke 307/327 crank in it to make a 327.

Build what you want out of it, the 3970010 casting is a very common block often used to make a performance engine, but what you have isn't a 1967 Corvette engine so it has no special value. Block is about the most common block casting Chevy ever used. Have fun with it.
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