High boost emissions report

Alan Samet (aas0918@mail.ecu.edu)
Mon, 04 Jan 1999 10:01:11 -0500

For those of you who might be interested, this is the emissions report
on my '88 505 Turbo. 4000+ miles total with high boost (14+ psi). First
2000 were with stock fuel pressure regulator and timing set 14 deg. bTDC
(4 deg advanced from stock). Then I added a rising rate fuel pressure
regulator and had the timing retarded to 8 deg bTDC (knocks rarely).

Odometer: 122154
Engine RPM at Reading: 822
HC (ppm): 107
CO%: 0.21
CO2%: 12.9

These readings are nearly exactly what the emissions report from the car
at 108,000 miles read. When I bought the car, the knock sensor was on
the engine mount and the engine knocked a lot.

I failed inspection due to chords/seperation showing on my driver's side
front tire. I'm planning on rotating my MXV4s to the front and putting
Pirelli P6000s on the rear (available from www.tirerack.com for 70$
each). Any comments are welcome.

-Alan

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