2 interesting ZR-1's - ZR-1 Net Registry Forums

QB93Z · 03-03-2010

As I went throught the RPO's for all the ZR-1's, I discovered two that had an odd collection of RPO's. They are:

1991 #551 (VIN = 1G1YZ23J0M5800551) The car is Turquoise with Black interior. Build date: 1990-10-05. It has the following RPO's that are unique to this car or the car below:

H18 - Eaton 21605 2-speed rear axle ?????
134 - Lt Slate Gray Interior Trim (it also has 19I, Black Trim)
100 - Unk
111 - Unk
012 - Unk
151 - Unk
401 - Unk
5BU - Unk
5II - Unk
706 - Unk
815 - Unk
I17 - Unk
plus two that were probably garbled

The other car is 1992 # 240 (VIN = 1G1YZ23J3N5800240) The car is Competition Yellow with Black interior. Build date: 1992-02-04. It has the folllowing list of unique RPOs:

020 - Rear Axle 5.63:1 ??? (It also has the normal GM3 rear end RPO)
H17 - Eaton Rear Axle 19050 2-speed
134 - Lt Slate Gray interior trim (it also has 19I, Black Trim)
204 - Very Sapphire Interior (it also has 193 for Black interior)
401 - Unk
004 - Unk
4BU - Unk
4II - Unk
460 - Unk
470 - Unk
646 - Unk
747 - Unk
I16 - Unk
plus one that was garbled

All of the RPO's listed above do not appear on any other ZR-1.

Does anyone know anything about either of these cars? Could they be special builds for testing?

Jim

03-03-2010	#1
QB93Z Join Date: May 2007 Location: Westminster, Maryland Posts: 3,684	2 interesting ZR-1's As I went throught the RPO's for all the ZR-1's, I discovered two that had an odd collection of RPO's. They are: 1991 #551 (VIN = 1G1YZ23J0M5800551) The car is Turquoise with Black interior. Build date: 1990-10-05. It has the following RPO's that are unique to this car or the car below: H18 - Eaton 21605 2-speed rear axle ????? 134 - Lt Slate Gray Interior Trim (it also has 19I, Black Trim) 100 - Unk 111 - Unk 012 - Unk 151 - Unk 401 - Unk 5BU - Unk 5II - Unk 706 - Unk 815 - Unk I17 - Unk plus two that were probably garbled The other car is 1992 # 240 (VIN = 1G1YZ23J3N5800240) The car is Competition Yellow with Black interior. Build date: 1992-02-04. It has the folllowing list of unique RPOs: 020 - Rear Axle 5.63:1 ??? (It also has the normal GM3 rear end RPO) H17 - Eaton Rear Axle 19050 2-speed 134 - Lt Slate Gray interior trim (it also has 19I, Black Trim) 204 - Very Sapphire Interior (it also has 193 for Black interior) 401 - Unk 004 - Unk 4BU - Unk 4II - Unk 460 - Unk 470 - Unk 646 - Unk 747 - Unk I16 - Unk plus one that was garbled All of the RPO's listed above do not appear on any other ZR-1. Does anyone know anything about either of these cars? Could they be special builds for testing? Jim