Backpressure and torque

[Michael D. Porter]

James Boughton wrote:
> 
> For an excellent reference on this subject try "The
> Scientific Design of Exhaust and Intake Systems."
> All of my belongings are in boxes from moving so
> I don't remember the author, but it is worth reading.
> 
The authors are Philip Smith and John Morrison. I have the last (third)
1972 edition, but as far as I know, the book is still being reprinted
and is available from Robert Bentley, Inc.

Cheers.

-- 
My other Triumph runs, but....