High Technology is all relative

[Jim Hayes <hayes@mediaone.net>]

> 
> 7. Exhaust Gas Temp -- why did I buy this thing anyway if all it tells
> me is late timing puts hotter gas in the exhaust header?
> 
Ever see an early Ferrari with plugs in the exhaust pipes? Ever watch a
mechanic unscrew a plug & put a thermometer into the hole to see if the
cylinder was firing properly? In fact ever see an early Ferrari run on
12 cylinders without this process?
Jim