heater box question
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Joined: Mar 2007
Posts: 34
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From: kankakee IL
Car: 1983 firebird
Engine: 350 lt-1 crate motor
Transmission: borg warner t-5
Axle/Gears: stock 3.27 posi rear disk
heater box question
can i use the non a/c heater box from a s-10 in my firebird?
S-10 heater 
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Joined: Aug 2021
Posts: 75
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Car: 89 GTA
Engine: 350
Transmission: auto
Axle/Gears: 3.23 BW 9 bolt
Re: heater box question
I installed my heater core in the box before putting it back in the car. I used some scrape hose like sofa suggested and it went right in.
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Sep 6, 2025 05:48 PM