[SEL] Hercules power unit

[Ron D Haskell]

Thanks Steve.  I printed this off for future reference.
The 1957 part, do you know the years they were made?  Obviously they were
still being made in ' 57.  Thanks.
Ron Haskell
rdhaskell at juno.com
Riverside California USA
http://www.oldengine.org/members/haskell/


On Fri, 12 Nov 2004 09:08:12 -0800 Steve Gray <segray at mlode.com> writes:
> Per Hercules, the ZXA was a 2 1/2"  x 3", while the ZXB was 2 5/8" x 
> 3"  
> as of July 1957. Only differences between the two were the block, 
> head 
> and pistons. Pistons ordered could be CI or Aluminum, and 3 
> different 
> heads could be ordered: standard 6:1, 4000 Ft elev. 6.9:1, and a 
> 7000 Ft 
> elev. 7.5:1.
> 
> - Steve
> 
> -- 
> Steve Gray
> Member EDGE & TA, Br. 49 & 13
> Sonora, California USA
> e-mail:   segray at mlode.com
> Home page:   http://www.oldengineshed.com
>