Heater blower upgrade?
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From: Jackson, TN
Car: 88 GTA
Engine: L98
Transmission: 700r4
Axle/Gears: 3.27 9bolt
Heater blower upgrade?
Just wonderign if there is a way to make the HVAC blower motor blow harder? Maybe a differnt motor?
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iTrader: (1)
Joined: Jul 2006
Posts: 506
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Car: 1989 GTA
Engine: 350TPI w/ Speed Density
Transmission: 700r4
Axle/Gears: Borg warner 3.27
Re: Heater blower upgrade?
Depends, do you have just heater, or AC too. The heater blower sucks (ironic sentence). It just sorta lets the air pour out of the vents. However, the AC blower motor in my '89 blows like a bat out of hell (compared to the heater only motor). If you don't use AC, you can remove the evaporator and block off the big hole left. However, I've never heard of anyone having an eye watering blower motor here ... yet.
Thread Starter
Senior Member
iTrader: (1)
Joined: Nov 2006
Posts: 485
Likes: 0
From: Jackson, TN
Car: 88 GTA
Engine: L98
Transmission: 700r4
Axle/Gears: 3.27 9bolt
Re: Heater blower upgrade?
well that sucks i might have to rig something up, i have AC, and as far as i know its the stock blower motor. My AC is cold, and my heat is hot, but on the lowest setting I cannot even fell any air coming out, and on High it fells like a newer car on low. It goes threw all the modes, 1-2-3-4 I can hear the fan speeding up, but it just dont blow much of anything.
Joined: Aug 1999
Posts: 19,282
Likes: 103
From: Lawrence, KS
Car: Met. Silver 85 IROC/Sold
Engine: 350 HO Deluxe (350ci/330hp)
Transmission: T-5 (Non-WC)
Axle/Gears: Limited Slip 3.23's
Re: Heater blower upgrade?
I had the exact same problem on the 88' i just bought. Turned out the motor and fan that were in it were the wrong one. It was turning the wrong direction. Went to Napa and got the correct motor and fan. When I compared the fan blades to the old i noticed they were opposite. Installed the new setup and everything is working fine.
Bill
88' IROC 305TPI
Bill
88' IROC 305TPI
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