Hot Rod 340 builds and dyno test.

451Cuda said

Ok?

All I said was you're comparing your hp as calculated from drag strip times (which gives you rear wheel hp, after drivetrain losses) with their flywheel dyno hp (which doesn't and will be higher).

Bulletin book is using physics to calculate actual wheel hp...you get similar results using the Wallace calculator:

ET-MPH-HP Calculator

Click to expand...

I get what you're saying,
But in the Bulletin book, it is no where stated that these numbers were related to RWHP. And since the charts have been around since the 60s, I assumed they were flywheel. And since the numbers have, for me, always correlated to flywheel hp, that's what I assumed they had to be. Further,if those charts are RWHP, there would be no way to predict your mph using those charts,and using your engine dyno results, (unless you fudged the powertrain loss, with a pick-it-from-a-hat factor), so they would be kindof useless, for anyone wishing to hit a specific mark.
If you're right, then I've been wrong for a lotta years.
On the bright side my engine just gained about 75 hp.