block heater?
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Joined: Sep 2005
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From: Osceola Indiana
Car: 92 RS(sold) 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: ones that turn
block heater?
So my car started leaking antifreeze the other day, and I discovered that my IROC had a block heater the kind that you plug into the wall
well it was leaking so I took it out and stuck one of those expandable rubber freeze plugs in the spot. Now heres what im wondering is this going to affect my coolant flow at all cause its alot bigger and fatter than the old block heater
well it was leaking so I took it out and stuck one of those expandable rubber freeze plugs in the spot. Now heres what im wondering is this going to affect my coolant flow at all cause its alot bigger and fatter than the old block heater 
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Joined: Jan 2000
Posts: 20,981
Likes: 11
From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
It won't affect coolant flow at all. A freeze plug might be more reliable in the long term than a rubber plug.
Thread Starter
Supreme Member
Joined: Sep 2005
Posts: 2,151
Likes: 0
From: Osceola Indiana
Car: 92 RS(sold) 1989 IROC-Z
Engine: 350 TPI
Transmission: 700R4
Axle/Gears: ones that turn
thats the answer that I was hoping for anythings better than that block heater does anyone know if thats a factory option? it was secrewed in some how, and all it had to protect from leaking was a o ring
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Joined: Jan 2000
Posts: 20,981
Likes: 11
From: Mercedes Norte, Heredia, Costa Rica
Car: 1984 Z28 Hardtop
Engine: 383 Carb
Transmission: 4L60
Axle/Gears: 3.54 Dana 44
I believe it was a factory option, and aftermarket ones are a popular addition in cold climates.
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