Rough 1500 HP calculations

[Eric Mumford <mumford@rpi.edu>]

For those of you who might be interested, I plugged some figures for the
1500 into Bruce Bowling's rough HP calculator just for kicks:

Dsplcmt/Bore    Comp            Engine RPM      HP
------------    ----            ----------      ----
1489.4 (std)    7.5 (std)       5250            65
"               9.0             "               78
1500 (.010")    7.5             "               66
"               9.0             "               79
1520 (.020")    7.5             "               66
"               9.0             "               80
1531 (.030")    7.5             "               67
"               9.0             "               80

Bruce is sure to warn the user that these are "extreme rough ballpark"
figures only, for power is certainly a product of more factors than RPM,
compression, and engine displacement.  I tweaked the engine RPM factor
to get 65hp out of the stock setup and then altered the other values as
I went down.

At any rate it gives some interesting values - it basically says that
you get nearly no power increase from boring out the cylinders on a 1500
block, at least compared with a simple switch to higher compression
pistons.

Thanks to Larry Miller for pointing out this page!!

e

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