I was curious if there were any packages in 89 that gave a 305 TBI Firebird Posi? Friend says he has posi that was stock. He has a stick shift and its a 305 TBI. Is he confused or did they really have a posi package for this kind of firebird?
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Jason E
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Damn, all the questions I could answer if I got off my butt to go get my new Firebird book at Barnes and Noble!! 
Someone else can probably answer this before I can, but I can have an answer for you by Friday once I get my code book. My GUESS is there probably was an RPO for positraction.
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Jason E
'89 Camaro RS 2.8
Hypertech chip/K&N filters/Accel 8.8 wires/RapidFires
Eclipse CD and 100x4 amp/Boston plates and 6x9s
Alpine Alarm w/ Keyless entry
IROC tailights/tinted windows
Whenever a Ford enthusiast says a Mustang is best, remind him of this...
"At least Chevy never put a 305 in a Chevette and called it a Camaro!!" (aka the Mustang II)...annoys 'em every time!!
[This message has been edited by Jason E (edited October 25, 2000).]

Someone else can probably answer this before I can, but I can have an answer for you by Friday once I get my code book. My GUESS is there probably was an RPO for positraction.
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Jason E
'89 Camaro RS 2.8
Hypertech chip/K&N filters/Accel 8.8 wires/RapidFires
Eclipse CD and 100x4 amp/Boston plates and 6x9s
Alpine Alarm w/ Keyless entry
IROC tailights/tinted windows
Whenever a Ford enthusiast says a Mustang is best, remind him of this...
"At least Chevy never put a 305 in a Chevette and called it a Camaro!!" (aka the Mustang II)...annoys 'em every time!!
[This message has been edited by Jason E (edited October 25, 2000).]
Kevin91Z
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Positraction RPO is G80
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Yes posi can come stock even on TBI cars. Mine has the G80 RPO code.
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1989 Camaro RS LO3 WCT5 "The Hose Queen" 0-60' 2.34 1/4 15.8@87mph
http://350.StreetRacing.org
ICQ: 61342629 AOL IM: BlackSunshineZ28
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1989 Camaro RS LO3 WCT5 "The Hose Queen" 0-60' 2.34 1/4 15.8@87mph
http://350.StreetRacing.org
ICQ: 61342629 AOL IM: BlackSunshineZ28
Senior Member
The RPO had to be specified to get it. I've never personally seen a posi TBI car. Every one I've seen has been a 2.73 geared auto or a 3.08 geared manual, and all of them have had open rears.
Junior Member
yes i have a 88 tbi plain jane firebird that came stock with a posi but why did they bother with posi on 2.73 gears ?i dont know but they did. just thought i could help .



