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Old 03-31-2018, 01:47 AM   #1
36tudordeluxe
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Default How do I back flush early V-8?

Have an 8BA in my '36 and would like to back flush cooling system, there are no heater hoses, could I attach garden hose direct to heads and back flush through and out the the radiator fill?
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Old 03-31-2018, 09:49 AM   #2
5851a
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Default Re: How do I back flush early V-8?

I would pull lower hose to keep anything from going in radiator.
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Old 03-31-2018, 10:51 AM   #3
36tudordeluxe
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Default Re: How do I back flush early V-8?

Quote:
Originally Posted by 5851a View Post
I would pull lower hose to keep anything from going in radiator.
Better idea, thanks.
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Old 03-31-2018, 12:06 PM   #4
Clem Clement
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Default Re: How do I back flush early V-8?

Flush everything both ways. Taking off the bottom hose. use a rag around your hose to add some pressure. When you flush the opposite direction from the normal flow you will be surprised at the debris coming out.
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Old 04-01-2018, 07:12 AM   #5
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Default Re: How do I back flush early V-8?

There are some creative ways of cleaning and flushing a radiator on "You Tube".
I would start by disconnecting the hoses and blocking the bottom outlet closed, filling the radiator with vinegar, let it soak (even overnight) then rinse with a water and baking soda mixture will break some of the junk loose. Follow that by flushing it a few times with water.
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Old 04-01-2018, 08:37 AM   #6
jimalabam
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Default Re: How do I back flush early V-8?

Right on again Clem...
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Old 04-01-2018, 07:31 PM   #7
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Default Re: How do I back flush early V-8?

I let mine cool before draining water, parked by the swimming pool. Hooked up pool filter discharge to hose connection on head mounted pumps ('36 lb) & blasted it through out the bottom. Also went backward through the radiator. Mice had put pink fiberglass in block.
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