What to clean water passages and cooling system with?
Thread Starter
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
What to clean water passages and cooling system with?
I have quite a bit of rust in my block that is tainting my coolant. What can I use to run through the motor to clean out all the passages???
Junior Member
Joined: Mar 2007
Posts: 74
Likes: 0
From: Los Angeles
Car: 86 z28
Engine: LB9 305 TPI
Transmission: 700R4
Axle/Gears: 2.73 gears
Re: What to clean water passages and cooling system with?
i have herd baking soda is great, put like 2 table spoons in the radiator and drive the car for like a week and flush it all out, all the rust should come out.
Thread Starter
Supreme Member
Joined: Oct 2001
Posts: 3,155
Likes: 2
From: Louisville, Ky
Car: 1991 Z28
Engine: 383
Transmission: T-5
Axle/Gears: 3.08 10 Bolt
Re: What to clean water passages and cooling system with?
Thanks man, if I ever get the car running I'll give that a shot.
Anymore suggestions while I'm at it? Is there anything off the shelf I might be able to buy that would work for this?
Anymore suggestions while I'm at it? Is there anything off the shelf I might be able to buy that would work for this?
TGO Supporter
Joined: Jul 2003
Posts: 4,803
Likes: 2
From: Grand Rapids, MI
Car: Z28
Engine: Sb2.2 406
Transmission: Jerico 4 speed
Axle/Gears: Ford 9" 3.60
Re: What to clean water passages and cooling system with?
I've used Prestones Super Rad. Cleaner before. Works pretty well. If it's really bad, though, an acid flush might be called for.
Junior Member
Joined: Mar 2007
Posts: 74
Likes: 0
From: Los Angeles
Car: 86 z28
Engine: LB9 305 TPI
Transmission: 700R4
Axle/Gears: 2.73 gears
Re: What to clean water passages and cooling system with?
hey somebody told me that all that rust may help keep water leaks seald, can this be true?
Junior Member
Joined: Mar 2007
Posts: 53
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From: The Hillz
Car: 1988 Z28
Engine: 350ci
Transmission: 700R4
Axle/Gears: Stock
Re: What to clean water passages and cooling system with?
Not so much the rust but some of the buildup in the coolant will block small passeges where leaks have formed... so sometimes when really flushing and cleanin your rad you might uncover leaks...
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