911chips
Race Car
Joined: Apr 2007
Posts: 3,932
Likes: 72
From: Tampa, FL
Nooo, I have one of the last '95s built. ViperBob was looking at it today and scratched his head several times on some of the stuff in my engine compartment. It's a non-varioram, 1995, July build, with OBD II diagnostic port.
I can't find the "post your vin" thread, but I'm sure that I saw some '96s built before my '95. It's one of those "change over MY cars."
I can't find the "post your vin" thread, but I'm sure that I saw some '96s built before my '95. It's one of those "change over MY cars."
Nordschleife Master
Joined: Oct 2007
Posts: 5,471
Likes: 209
From: Tacoma, WA
Nooo, I have one of the last '95s built. ViperBob was looking at it today and scratched his head several times on some of the stuff in my engine compartment. It's a non-varioram, 1995, July build, with OBD II diagnostic port.
I can't find the "post your vin" thread, but I'm sure that I saw some '96s built before my '95. It's one of those "change over MY cars."
I can't find the "post your vin" thread, but I'm sure that I saw some '96s built before my '95. It's one of those "change over MY cars."
Intermediate
Joined: May 2002
Posts: 46
Likes: 1
Late 95 993 and GIAC chip
Just a data point, my 95 993 was a late build, had the newer third brake light and interior door panels and had the obd-II port. Great car.
As for chips, I fitted a GIAC chip from Steve (93 0ctane). In addition my car had cat bypass pipes. Stock otherwise engine. When tracking the car with my buddy who also had a 95, non-chipped with two experienced drivers (red run group) lap after lap, my car had less low end but would pull my buddys car towards the end of the straight (long, read VIR). For most tracks/street, I would leave the stock chip in there, it's faster except at the very top end.
04 GT3 w suspension mods
As for chips, I fitted a GIAC chip from Steve (93 0ctane). In addition my car had cat bypass pipes. Stock otherwise engine. When tracking the car with my buddy who also had a 95, non-chipped with two experienced drivers (red run group) lap after lap, my car had less low end but would pull my buddys car towards the end of the straight (long, read VIR). For most tracks/street, I would leave the stock chip in there, it's faster except at the very top end.
04 GT3 w suspension mods
Race Car
Joined: May 2003
Posts: 4,243
Likes: 103
From: SoCal
"For most tracks/street, I would leave the stock chip in there, it's faster except at the very top end."
Thanks for the feedback. It'll provide additional insights to all considering a "performance" chip.
Thanks for the feedback. It'll provide additional insights to all considering a "performance" chip.
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Addict
Rennlist Member
Rennlist Member
Joined: May 2001
Posts: 12,824
Likes: 786
The thing that confuses many is the fact that only early '95s used the round OBD1 diagnostic port, most used the trapezoidal OBD2 port but are still OBD1
besides the intake manifolds Steve mentioned OBD2 cars will have 4x O sensors, OBD1 cars only have 1.
