a call to inline 5 gurus everywhere........

[Huw Powell]

> been rereading four stroke tuning by a. graham bell.  And more specifically
> the area on exhaust design.  its all good going until it mentions headers, 4
> cylinder, 6 cylinder, 8cylinder....... 4-2-1, 6-2-1etc.... and i know the
> optimum design for the i5 is 5-3-1 (i think....)   but how does this work in
> reality??? the book mentions on 4 cylinders, that cylinders that fire 180
> degrees apart should pair up, and on v8's that cylinders that fire 270 + 450
> degrees ( i think.... again....) pair up, so what do you do on a 5???? where
> the cylinders fire every 144 degrees (i think lots) and if you pair headers
> up you get one          spare..... my current manifold is the 5-2-1 variety
> and it doesnt look right anyhow......

cough cough.  I always liked a separate pipe for each cylinder coming
straight out the side of the car.