Running no O2 sensor

[gatesj at twcny.rr.com (John K. Gates)]

> While I was poking around under my 85 replacing the shift linkage and
> bushings I was looking up at my exhaust. I noticed that I have a 4-2
> manifold and a 2-1 downpipe and there is NO oxygen sensor. How would
this
> have been altered to run without it since the sensor feeds info to the
> computer?

This sounds like the older style MK1 dual outlet manifold, a big
performance increase but definitely not stock on an '85.

Are you sure there's no O2 sensor?  I have the same backdate mod and mine
screws into the manifold toward the top.

John K. Gates
--
'85 Scirocco
'97 Jetta GLX