Quote:
Originally Posted by Pete
In the early years of Bville I saw the inside top end of more flatheads than I can count, at record impound inspection. ALL were relieved, DEEP. There are a few of those guys still doing engines and they still practice DEEP relief.
By the way, it is just a matter of math which can be found all over the internet.
You have the car weight, frontal area, drag coefficient and speed, plug them in and get hp required.
Putting the plug in the transfer area will cause uncontrollable detonation in a race engine.
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Hey guys! Check out the October 2022 issue of Hot Rod, pictures on pages 71, 73 and 74. See a Bonneville flathead. All the latest tricks like tunnel ram manifold, .470" lift roller cam, 313 cu. in., etc. 249.4 HP. BUT, notice it is not relieved! I repeat, NO relief!
Also note: In spite of all the modern technology, it is not anywhere one HP per cube!