How many G92 LB9 5 speed IROCs where producued in 1987
10-16-2001, 01:13 PM
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How many G92 LB9 5 speed IROCs where producued in 1987
See subject for question, i heard that they were kind of rare, not many G92 5 speeds where made.
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1987 Black 305 TPI 5spd IROC, seems to be fully loaded, but can't find RPO codes.
AIM: IROC 5spd
http://www.geocities.com/chevy5spdiroc/87Roc.htm
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1987 Black 305 TPI 5spd IROC, seems to be fully loaded, but can't find RPO codes.
AIM: IROC 5spd
http://www.geocities.com/chevy5spdiroc/87Roc.htm
10-16-2001, 08:54 PM
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Car: 1987 Z28 Convertible
Engine: 305 TPI
Transmission: 5-speed
I didn't think they produced G92 cars before 89 anyway.
RPO G92 has been in existence as long as third gens have been around, since 1982.
In 1987, 10533 G92 equipped IROC-Z's were produced, but because GM did not keep track of option combinations, there is no way to say how many of these were used with the 5-speed and/or automatic. To put this into perspective, 38889 IROC-Z's were produced, so roughly 25 percent have G92. And for 1987, G92 was available only with the IROC-Z suspension option.
Suffice it to say for 1987, 5-speed G92 cars got the Borg Warner 9-bolt with 3.45 gears. Automatic G92 IROC-Z's got 3.23's on a 10-bolt platform (I own one).
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Willie
Supercharged 1987 305 IROC-Z, Daily-Driver, Emissions-Legal.
Former Paxton (6-psig) with 50-hp nitrous: 12.043 @ 112.86 mph.
ATI D1SC (10-psig): 12.056 @ 116.62 mph.
All stats are altitude corrected for 3,100 feet using NHRA's Altitude Correction Table.
http://willie.camaro-firebird.org/
1987 "20th Anniversary Commemorative Edition" Z28 Convertible -- Super Chevy Show Class Winner, 1998.
RPO G92 has been in existence as long as third gens have been around, since 1982.
In 1987, 10533 G92 equipped IROC-Z's were produced, but because GM did not keep track of option combinations, there is no way to say how many of these were used with the 5-speed and/or automatic. To put this into perspective, 38889 IROC-Z's were produced, so roughly 25 percent have G92. And for 1987, G92 was available only with the IROC-Z suspension option.
Suffice it to say for 1987, 5-speed G92 cars got the Borg Warner 9-bolt with 3.45 gears. Automatic G92 IROC-Z's got 3.23's on a 10-bolt platform (I own one).
------------------
Willie
Supercharged 1987 305 IROC-Z, Daily-Driver, Emissions-Legal.
Former Paxton (6-psig) with 50-hp nitrous: 12.043 @ 112.86 mph.
ATI D1SC (10-psig): 12.056 @ 116.62 mph.
All stats are altitude corrected for 3,100 feet using NHRA's Altitude Correction Table.
http://willie.camaro-firebird.org/
1987 "20th Anniversary Commemorative Edition" Z28 Convertible -- Super Chevy Show Class Winner, 1998.
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