Labor Day Putting down your wrenches or time for
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Apr 26th, 2026 | | AD Chevy Trucks  Over 6,000 pictures Brad Allen has an awesome collection of Chevrolet factory pictures that he has set up from film strips. Check them out!
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| | | | Joined: May 2012 Posts: 574 'Bolter | | 'Bolter Joined: May 2012 Posts: 574 | OK guys, I can't for the life of me find out the HP or anything on my newest project, the '72 Sprint.
The code stamped on the pass. side of the block is V0701HV. any info? It also has 416 heads on it.
1949 Dodge Coronet 1955 2nd Chevy 4400 1.5 ton 1955 2nd Chevy 3100 1/2 ton 1955 2nd Chevy 3100 1/2 ton 1957 Chevy 5400 LCF 2 ton 1966 Dodge D100 Sweptline 1968 Chevy P20 stepvan 1969 GMC LWB pickup 1972 GMC Sprint 1974 CP30 shorty bus There are three things that I've learned never discuss with people: religion, politics, and the Great Pumpkin.----Linus Van Pelt Trying to understand the behavior of some people is like trying to smell the color 9  | | | | | Joined: May 2006 Posts: 77 Shop Shark | | Shop Shark Joined: May 2006 Posts: 77 | It could be a 1965 327 or a 1969 350. The telltale sign is the journal size. The first year of large journal 327 is 1968, therefore, if the journal is small, then it's probably a 327 and if the journal is large, then you have a 350. The 327 would be a 350hp 327 and the 350 would be rated at 255hp. If you had the original cam and it was a 327, that cam would be a little radical, with almost 0.450 lift and would sound much different than a 255hp 350. What is the casting number on the back of the block?
Admin for Turbobuick.com
87 GN, and new toy: 1955 Chevy 3200 pickup, soon to have: 383, Cola crank, Childs/Albert 6 inch rods, Brownfield heads, 10:1 KB hypers, CompCam 284 Extreme Energy, Tilton Plate transmission realignment and built Turbo400.
| | | | | Joined: May 2012 Posts: 574 'Bolter | | 'Bolter Joined: May 2012 Posts: 574 | Well it's still in the car, so I can't really get to the back of the block to check. And by journals, you mean the crank journals, right?
1949 Dodge Coronet 1955 2nd Chevy 4400 1.5 ton 1955 2nd Chevy 3100 1/2 ton 1955 2nd Chevy 3100 1/2 ton 1957 Chevy 5400 LCF 2 ton 1966 Dodge D100 Sweptline 1968 Chevy P20 stepvan 1969 GMC LWB pickup 1972 GMC Sprint 1974 CP30 shorty bus There are three things that I've learned never discuss with people: religion, politics, and the Great Pumpkin.----Linus Van Pelt Trying to understand the behavior of some people is like trying to smell the color 9 | | | | | Joined: May 2012 Posts: 574 'Bolter | | 'Bolter Joined: May 2012 Posts: 574 | OK, so I was able together the numbers off of the back of the engine, they are: 3956618
1949 Dodge Coronet 1955 2nd Chevy 4400 1.5 ton 1955 2nd Chevy 3100 1/2 ton 1955 2nd Chevy 3100 1/2 ton 1957 Chevy 5400 LCF 2 ton 1966 Dodge D100 Sweptline 1968 Chevy P20 stepvan 1969 GMC LWB pickup 1972 GMC Sprint 1974 CP30 shorty bus There are three things that I've learned never discuss with people: religion, politics, and the Great Pumpkin.----Linus Van Pelt Trying to understand the behavior of some people is like trying to smell the color 9 | | | | | Joined: Apr 2005 Posts: 7,440 Bolter | | Bolter Joined: Apr 2005 Posts: 7,440 | 69 -302 Z28 68-69 327 2 bolt main 69 -350 2 or 4 bolt main. 
Martin
'62 Chevy C-10 Stepside Shortbed (Restomod in progress)
'47 Chevy 3100 5 Window (long term project)
‘65 Chevy Biscayne (Emily)
‘39 Dodge Business Coupe (Clarence)
“I fought the law and the law won" now I are a retired one!
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USAF 1965-1969 Weather Observation Tech (I got paid to look at the clouds)
| | | | | Joined: May 2006 Posts: 77 Shop Shark | | Shop Shark Joined: May 2006 Posts: 77 | The 1968 & 1969 Z/28 302 will have a suffix code of DZ (one of Chevrolet's most recognized suffix codes, belonging the the large journal high winding 302), both the 68 & 69 327 will be large journal. Since the HV suffix code matches 350 and the casting code resembles a match to the 350 (250 hp), you probably have 350. Don't know if it's 2 or 4 bolt main, but IMHO, the 2 bolt main engine is preferred for building a performance engine, as it is much easier to drill the 2 bolt main block for use with nodular iron 4 bolt main splayed main caps (GM part number 14011072) and the block webbing of the 2 bolt main block are beefier than its 4 bolt main counterpart.
Last edited by gofstbuick; 09/29/2016 3:47 AM.
Admin for Turbobuick.com
87 GN, and new toy: 1955 Chevy 3200 pickup, soon to have: 383, Cola crank, Childs/Albert 6 inch rods, Brownfield heads, 10:1 KB hypers, CompCam 284 Extreme Energy, Tilton Plate transmission realignment and built Turbo400.
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