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#68547 11/13/2006 8:18 PM | Joined: Aug 2002 Posts: 455 Shop Shark | | Shop Shark Joined: Aug 2002 Posts: 455 | Does anybody know why Chevy used the earlier 913 heads occasionally on the 58-62 235 blocks for passenger cars?
I have a Feb'1958 cast of that head on a 1962 block and am about to put an 848 on instead.
Just curious to find out why some cars had the lower compression head. | | |
#68548 11/14/2006 4:47 AM | Joined: Oct 2001 Posts: 3,458 Extreme Gabster | | Extreme Gabster Joined: Oct 2001 Posts: 3,458 | Are you sure it wasn't a rebuilt engine? I don't think the factory would have much more than 6 months disconnect on casting dates between head and block.
Paint & Body Shop moderator
A lone amateur built the Ark. A large group of professionals built the Titanic. | | |
#68549 11/14/2006 6:12 PM | Joined: Aug 2002 Posts: 455 Shop Shark | | Shop Shark Joined: Aug 2002 Posts: 455 | I found two websites with accurate head and block casting numbers, both showing the earlier 913 head was used again on passanger cars from 58-82.
My head's casting date does confirm that.
I was just wondering if there is an obvious technical/mechanical reason for offering a lower compression car engine.
Never made sense to me. | | |
#68550 11/14/2006 8:56 PM | Joined: Apr 2006 Posts: 506 Shop Shark | | Shop Shark Joined: Apr 2006 Posts: 506 | It looks like the
848 and 913 was first used in 1953,
Passenger, P.G., Hyd. cam.
In 1954, the 913 or 848 was then used on Passenger, Hyd. or Mec., up through 1962.
Trucks also used the 913 starting in 1954.
In 1955 - 62 trucks used the 913 or 848.
-Tom
1950 Chevy 3100 w/ 1956 235
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