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Post Info TOPIC: Overflow tank
SteveS


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Overflow tank
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I see you have to have an overflow tank on you're radiator to pass tech at the dragstrip.  Anyone know how big they have to be?



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Steve S. - Fountain, MN

 

1972 Chevelle - 383 stroked LS1/4L60E - SOLD!
Chris R


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Im not so sure they pay that close attention to the size. They just want to see you have one that does the job. Ive heard some tracks will let a 20 oz. plastic Mountain Dew bottle for an overflow tank through.



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Chris - Ramsey, MN.

Dear Optimist, Pessimist, and Realist.

While you guys were busy arguing about the glass of water. I drank it!

Sincerly,

The opportunist.
SShink


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I cable tied a 20 oz. plastic coke bottle in place and put the overflow hose into it for the Rock Falls racing.  It passed without any questions.



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Stan S.-Twin Cities 'South Metro'

1972 Malibu Convertible 2nd time around 

2001 Mustang GT Convertible 

Forum influenced terms: 'Link Paste', 'Stanitized', & 'Revolving garage door...' 

 
bowtie


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I did the same thing with the last car I ran-a 20oz bottle held into a cheap plastic cupholder. Now I have a Jaz one attached to a piece of flat stock and a 180 degree molded hose I found on the shelf at work.

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Bryan-NW 'burbs
1972 Malibu
Vaguely stock appearing, and the opposite of restored.
1999 std bore 5.7, Vortec heads, Holley Stealth Ram, GM cam
700R4, Viking coilovers, 12 bolt 4.10 posi, and a whole bunch more
SteveS


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Thanks guys. Doesn't sound like they are real picky.

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Steve S. - Fountain, MN

 

1972 Chevelle - 383 stroked LS1/4L60E - SOLD!
bowtie


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Not really. I drilled a 3/8 hole in the cap and put the hose in. It was sealed enough that it never overflowed out either.


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Bryan-NW 'burbs
1972 Malibu
Vaguely stock appearing, and the opposite of restored.
1999 std bore 5.7, Vortec heads, Holley Stealth Ram, GM cam
700R4, Viking coilovers, 12 bolt 4.10 posi, and a whole bunch more
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