Quote:
Originally Posted by scicala
All '55 Mercury's in the USA except the Montclair came with the 188 HP 292 Y-Block V8. The Montclair came with the same 292 as in the '55 T-Birds with 198 HP. (7.5:1 compression ratio compared to 8.5:1 in the Montclair).
My question is, did all '55 Mercury's come standard with dual exhausts, or was it just the Montclair ?
Sal
|
This may help answer your question.
???..The chart seems to be incomplete.
Scroll down at this link...
http://www.y-block.info/casting/exhaust.html
.....Mercury
Years
.. Models
.. Cubic inch
.. Description
........................ Part #
..............Cast #
1954
.... MB
....... 256
........... R.H.
................................EBY 9430-B
1955
.... MC
....... 292
........... R.H.
............................... ECL 9430-A
1954
.... MB
....... 256
........... L.H. use with dual exhaust
.. EBY 9431-B
1954
... MB
....... 256
........... L.H.
............................... EBY 9431-C
1955
.... MC
....... 292
........... L.H.
............................... ECL 9431-A
The different compression ratio corresponds to different casting number heads.
YEAR CASTING # .....Cu.In. .Int. valve C.R. .H.P. . Carb. ...VEHICLES
55 ....ECK-A ECL-A ..292 ....1.78" ......7.6 ..188.. 4 bbl ...55 Mercury
55 ... ECK-C ECL-C ..292 ....1.78" ..... 8.5 ..198 . 4 bbl ...55 T-Bird & Mercury
........ & ECL-B
http://www.ford-y-block.com/cylinderheadchart.htm
.