Calling out ALL 3gs with 4th gen dash conversion
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Car: 87 IROC-Z
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Calling out ALL 3gs with 4th gen dash conversion
after converting to the 4g dash. How many of you guys are running a/c and heater but think you have an issue with the amount of air being blown into the interior.
Joined: Oct 2007
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From: Kemah, Tx
Car: 1991 z28
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Re: Calling out ALL 3gs with 4th gen dash conversion
I
m not sure if you guys run the 3rd gen a/c box and fan, but if so I'll say the amount (volume) of air coming out of my 100% stock a/c system is not nearly enough. I want to try a higher CFM fan, or a cetrifical style one
m not sure if you guys run the 3rd gen a/c box and fan, but if so I'll say the amount (volume) of air coming out of my 100% stock a/c system is not nearly enough. I want to try a higher CFM fan, or a cetrifical style one
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On Probation
iTrader: (9)
Joined: Feb 2005
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From: So Cal
Car: 87 IROC-Z
Engine: LsX
Transmission: MN12 6speed
Axle/Gears: 3:42
Re: Calling out ALL 3gs with 4th gen dash conversion
Not much changes besides adding the 4th gen air ducts. Cut modify seal
Thread Starter
On Probation
iTrader: (9)
Joined: Feb 2005
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From: So Cal
Car: 87 IROC-Z
Engine: LsX
Transmission: MN12 6speed
Axle/Gears: 3:42
Re: Calling out ALL 3gs with 4th gen dash conversion
my original thread https://www.thirdgen.org/forums/inte...dash-swap.html from 2008
my new project.


should go well with my 4th gen door panels.
to stay on topic. for the 4g dash guys its best to fiberglass the 4th gen ducting onto the 3g hvac unit. ensures that you dont have leaks.
also the 4th gen ducting does not have the same flow pattern . theres some modifications that you have to sacrifice to get the proper amount of air flow into the interior
my new project.
should go well with my 4th gen door panels.
to stay on topic. for the 4g dash guys its best to fiberglass the 4th gen ducting onto the 3g hvac unit. ensures that you dont have leaks.
also the 4th gen ducting does not have the same flow pattern . theres some modifications that you have to sacrifice to get the proper amount of air flow into the interior
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